Autoflowering Marijuana Seeds


Buy Cannabis Seeds Online

Browse our finest autoflowering cannabis seeds, available with discreet delivery. Fast and easy to grow, our auto seeds are ideal for first time growers Auto flowering marijuana seeds are the latest in marijuana strain technology. Auto flowering seeds pass straight from seed to flowering stage, irrespective of light cycle. Autoflowering Cannabis Seeds Home growing cannabis enthusiasts can choose from various types of cannabis seeds, one being autoflower weed seeds. This kind of cannabis seed is one of the quickest and easiest weed seeds to grow, making it a popular choice amongst novice growers to slowly dive into the art of cannabis cul

Autoflower Cannabis Seeds

On average, autoflowers take around 30% less time to grow than traditional cannabis plants, saving the grower about a month of their time. In warmer climates, this makes it possible to harvest outdoors up to 4 times a year. They also grow perfectly in northern countries, where the summers are very short. Right now, autoflowers are the most popular and advanced product in the world of cannabis seeds.

Buy Autoflower Weed Seeds

Autoflower cannabis seeds are becoming the ideal choice for growers of all abilities. At Fast Buds we pride ourselves on being one of the market’s finest cannabis seed banks, thanks to our dedication to developing the optimum genetics in our autoflowering seeds and ensuring strains generate impressive yields in less than 9 weeks. Apart from the fast-flowering trait, autoflowers provide the following advantages to auto growers:

  • Robust genetics: Compared to their counterpart, autoflowering seeds are quite resilient, handling less-than-ideal conditions and pests very well.
  • Discreet and stout: Autos usually grow on the shorter side, reaching a maximum of 100cm in most cases, making them ideal for growers who want to maintain a stealthy cultivation.
  • Fast flowering: Most autoflowering genetics take 7-10 weeks from seed to harvest, allowing growers to have several grow cycles when compared to photos.

Why Choose Fast Buds?

You can grow more, faster. Fast Buds’ strains have been developed for years, we have dedicated a lot of time to our genetics, looking for the most desirable traits and with intensive research and breeding we were able to select and improve the best of the best. You can savor the years of work in the taste, aroma and effect of our plants.

We have a wide selection of strains for sale in the UK , with a variety of traits and characteristics that will surely please every type of consumer and are suited for all growers, from beginners to pros.

Choose your perfect strain online and receive a completely discreet package via express service without any hustle.

How To Buy Autoflower Cannabis Seeds Online?

Buying autoflowering weed seeds is super easy. The first step is to access and take a look at our catalog, once you have selected the strains you wish to buy, choose the pack size which ranges from 1 to 1000, then select the payment method; We accept bitcoin, Visa/Mastercard, Wire transfer and Cash on delivery, after selecting your preferred payment method it’s just a matter of waiting a couple of days for your order to arrive!

How many autoflowering seeds can I buy at once?

If you’re a regular homegrower you won’t need a lot of feminized seeds, this is why we offer the possibility to buy cannabis seeds in packs containing 1, 2, 3, 5, 10 cannabis seeds but for those who grow outdoors or have a large indoor grow space it may be more beneficial to buy weed seeds in large quantities, for this reason we offer the possibility to buy cannabis seeds in bigger packs with 25, 50, 100, 150 and 1000 marijuana seeds which can be shipped in one pack, this way you don’t have to make multiple orders, and everything arrives safe and sound.

How to choose the best feminized seeds?

You can find thousands of autoflowering genetics in the market and each one has unique characteristics that will satisfy certain consumers but not others, this is why we’ve added a filter to make it easier for you to choose your cannabis seeds for the next grow cycle.

In our catalog you’ll find several genetics that you can filter by, for example, “climate”, “size” and “strength”; The result can also be sorted by “high price”, “low price” and “bestsellers”, allowing you to find exactly what you’re looking for. This way you buy cannabis seeds knowing exactly what you will get.

Are Autoflowering Seeds Feminized?

Yes, all the autoflowering genetics we offer in our catalog are feminized, this means that your autoflowering cannabis seeds will result in a 100% feminized seeds so all of them will produce seedless buds instead of pollen sacs. However, it’s highly recommended that you provide good growing conditions to maximize the results because the growing conditions can affect the quality and quantity of your harvest so if you want to get the best results possible, we recommend paying attention to the following factors:

  1. NPK levels. The right amounts of Nitrogen, Phosphorus and Potassium in the right stage will definitely maximize your harvest so remember that autoflowering marijuana prefers higher levels of Nitrogen during the vegetative stage and increased levels of Phosphorus and Potassium during the flowering stage.
  1. Humidity and moisture levels. A humidity level rounding the 70% is recommended for seedlings to grow without any issues, also, the substrate should always be damp but not completely wet.
  1. Temperatures. The temperatures should be adjusted for each stage of plant growth, starting at around 20-25°C for seedlings, 22-28°C during the vegetative stage and 18-24°C during the flowering stage.

Why Choose To Buy Autoflowering Cannabis Seeds?

Autoflowering cannabis seeds offer a range of benefits that makes them stand out from regular genetics, among these benefits it’s worth highlighting the following:

  • Low maintenance: This type of plants grow quick and sturdy so there’s no need to take extra care unless extremely needed.
  • Need fewer nutrients: Due to growing shorter and for less time, autos need fewer nutrients which ends up saving you time and money.
  • Stealthy: Due to growing on the shorter side, autoflowers can be grown in small grow tents or limited spaces such as balconies or terraces.

Growing your own cannabis for personal use can be one for the most rewarding activities for recreational users and those that are passionate about weed. Unfortunately, traditional non-auto strains can be tricky to cultivate even for more experienced cannabis growers.

The advantage of opting to buy autoflower cannabis seeds from Fast Buds is a range of rapid growth strains, including our originals line:

We are also proud to be on the cutting edge of the autoflower cannabis seeds industry. That’s why recently we have added the following strains:

With our optimised genetics your Fast Buds auto seeds will not only be ready to harvest in just 9 weeks, but also be tough enough to grow both indoors and outdoors. Our customers span the globe and no matter their climate find autoflowering seeds the ideal solution for growing their own cannabis.

Since developing the optimum autoflowering genetics needed to produce beautiful strains our skilled team have worked on incorporating these into the most iconic strains. Over time we have also optimised for potent THC levels, so those buying autoflower marijuana seeds from us find a powerful end product that delivers an outstanding high when smoked.

How Are Autoflowering Seeds Created?

The science of creating autoflowering marijuana seeds is simple for anyone that has grown plants in the past, even if never cannabis. Like any plant, the all-encompassing term ‘cannabis’ actually covers a multitude of different subspecies, all with their own different traits but with few covering everything the modern weed enthusiast wants when growing their own strains.

Two examples of subspecies are known very well by the weed community, Indica and Sativa. These produce the desirable effects we all want when consuming cannabis thanks to the unique traits of them as subspecies. However, these subspecies also have negatives, such as developing based on light cycle which can make home growing more challenging and more laborious.

Autoflower marijuana seeds are created using Cannabis ruderalis genetics which contain the autoflowering traits needed. Native to colder climates with shorter summers, such as central and eastern Europe, this variant flowers based on time and age, as opposed to sunlight exposure levels.

Despite the fine autoflower traits, Cannabis ruderalis are small plants that are intrinsically low in THC. By crossbreeding effectively with Indica and Sativa strains our experts at Fast Buds are able to produce autoflower marijuana seeds that produce rich, resin-soaked buds that are high in THC and ready to harvest in as little as 9 weeks.

Are Auto Cannabis Seeds hermaphroditic?

No, all of our genetics are specially selected to develop certain traits such as flower production, smell, effect, and structure. Apart from the traits mentioned, all of our genetics are feminized, this means that our strains are selected and bred in order to not show hermaphroditic traits, resulting in almost 100% female plants.

For those of you that don’t know what hermaphrodites are, hermies are basically mixed-sex plants, meaning that hermies are plants that grow both male and female sex organs; When the pollen sacs open, they end up pollinating the buds, which will end up producing seedy buds.

Now, due to the nature of cannabis, marijuana seeds can become hermaphrodites if they’re suffering from stressful conditions such as extreme hot or cold, pests, mold, overwatering and overfeeding. Remember that this has nothing to do with the genetics per se due to being a way cannabis has to perpetuate their species if they feel like they’re about to die so if you’re having issues with hermaphrodites, make sure to check your growing conditions!

Will My Auto Weed Seeds Germinate?

As a leading autoflowering cannabis seed bank, Fast Buds always makes sure that all of our marijuana seeds are thoroughly tested before entering the market, that’s why we guarantee a 98% germination rate. It’s important to bear in mind that marijuana seeds are living things and their viability can be influenced by the environment they’re stored in. In the case of a seed failing to germinate, you can contact us by filling out our warranty form and we’ll send you a replacement free of charge!

How should I store my seeds?

After you buy cannabis seeds, you should store them properly. Your automatic marijuana seeds can be viable for up to 10 years if kept in perfect conditions, remember marijuana seeds are alive after all. You should keep marijuana seeds in between 8-12 ºC (45-55 ºF) or if you can’t use a fridge, keep them away from light and humidity, and as close as possible to these temperatures.

How Do I Begin The Germination Process For My Autoflowering Seeds?

Successful germination is a crucial first step in a grow cycle. As such it’s important to follow the correct process once you have purchased your autoflowering seeds. The perfect conditions when germinating autoflowers are a temperature between 21-26°C and the humidity as close as 90% as possible.

Depending on the age and level of experience with growing you can select from a range of methods to being the germination process, the most common being:

Jiffy pods, starter cubes and seedling plugs

Jiffy pods or similars make germination quite easy, you just have to place the seed in pre-made hole and pinch the top to close it and water as directed; It’s really hard to mess it up and, as long as the conditions are good for germination, there’s almost no room for error.

Planting directly in the medium

Sometimes the natural way is the best way; Just like in nature where weed seeds germinate directly in the soil, you can plant your weed seeds directly in the final pot. One of the biggest benefits is that you don’t run the risk of stressing or shocking your seedlings such as you would when transplanting because your plant is already in the final pot.

But, The most common of which is the paper towel method. This involves layering damp paper towels under and over the feminized seeds, then sealing in the moisture with plates above and below.

There are a variety of methods and depending on your budget and growing conditions they may be more suitable then the traditional paper towel method. For a full breakdown of the germination options available to you check out our detailed germination guide for autoflowering seeds .

How long will it take for my auto to flower?

When compared to regular strains, autoflowers grow and flower faster, resulting in an overall faster grow cycle but this depends on the specific genetics you’re growing. Indica dominant-strains tend to take less time because they grow more compact and shorter while Sativa-dominant strains grow taller which ends up adding everywhere from 1-3 weeks to the to grow cycle, which is completely normal.

This means that depending on the strain, autos can take as little as 7 weeks or as long as 11 weeks, depending on the genetics but, in general, autoflowering genetics take 9 weeks which can be divided into the following stages:

  • Seedling to Vegetative stage – Day 1 – 28
  • Pre-flowering stage – Day 28 – 35
  • Flowering stage – Day 35 – 63

Just have in mind that these times are based on strains that take 9 weeks from seed to harvest in ideal conditions. If you encounter any problems that slow down growth such as cold temperatures, overfeeding, or any deficiencies, the growth cycle may be affected and it can end up adding a couple of weeks to the total number of weeks.

Also remember that the nutrients, lighting, substrate and pot size will affect how your plant grows so it’s vital that you take all things in consideration and provide the best conditions that you can.

Autoflowers vs Regular Cannabis

The main difference when you buy cannabis seeds is their genetics and how they start flowering; As you may know, the vegetative stage is where your plants are directing their energy to nutrient absorption, root development and foliage production. After this stage, the plants will start producing flowers depending on the amount of darkness and light they get (aka light cycle). This is why they’re called photoperiodic but autoflowers are a little bit different.

Autoflowering genetics do not require a different light cycle to trigger flowering because they’re genetically selected to flower based on their age, which is a huge advantage if you’re looking for a plant that delivers in both yields and quality while being easy to take care of and grow way faster.

What Are The Most Important Tips When Growing Autoflower Seeds For First Timers?

If you are growing for the first time then the amount of choices for your grow cycle can seem overwhelming. Poor planning and thought will lead to a poor yield and at worse will lead to the plant not maturing fully at all.

There is so much to learn when it comes to growing autoflower seeds, to start our top tips would be:

  • Plan as much as possible – Before you even purchase you should consider your full grow cycle. Which soil will you use? Where will you grow? Autoflowering weed seeds grow rapidly once germinated and as such you must have a full plan in place prior to starting the growing process
  • Don’t rehome your plants – In other growing environments it’s common to rehouse plants to a new, larger pot once they reach a certain size. For autoflowers this is not something you can risk, the rapid growth cycle gives little time to recover so plant your auto weed seeds in a pot that will house the full matured plant.
  • Choose soil and containers wisely – Autoflowers prefer aerated soil with the perfect balance between air and water. You can even consider using fabric pots to allow for maximum drainage and to keep soil in perfect condition
  • Go easy on nutrients – One of the most common mistakes for a new grower is overloading with nutrients. In this case more doesn’t mean better and starting with the smallest amounts of additives is crucial to avoid nutrient burn. Start at half or even a quarter strength of the recommended dose and monitor how your plant responds.

Can I perform plant training techniques on my autos?

Most growers usually perform basic training to get the most out of each seed without stressing them because this may end up stunting growth and result in an underwhelming harvest but, if you have enough experience, you can definitely perform any of the plant training techniques mentioned below, just make sure you do it carefully to avoid stressing your plants. There are two types of plant training methods:

Low-stress training

Low-stress training (aka LST) consists of gently bending the stems either by tying them down or bending them under a scrog net to change a plant’s shape and height; this allows growers to even out the canopy and helps the light reach all the flowering sites equally without stressing your plants too much, hence the name Low-stress training.

High-stress training

High-stress training (aka HST) basically results in the same as low-stress training but unlike LST, it’s achieved by mutilating your plant, which may end up heavily stressing your plant. This technique also results in better bud development but may not be the best for autoflowers if you don’t have experience with training technique and growing autos.

Now that you know a little bit about plant training, here are the main training techniques recommended for autoflowers, just remember that if you’re a beginner you should not perform HST until you’re quite experienced to avoid ruining your harvest.

What’s the Difference between LST and HST?

As you’ve read, both plant training techniques allow you to shape your plant in any way you want to but they use different techniques to achieve it. There aren’t a lot of differences between them other than how it’s done because high stress training basically consists of mutilating your plant while low stress training consists of gently bending the branches.

Tying Down Branches

The tie-down method can be used to maximize yields by spacing out the branches to provide better air flow and increase light penetration with minimal stress, this technique is especially useful if you have a limited grow space or want to fit as many plants as possible in your grow tent because it allows you to control both vertical and horizontal plant growth.

Pros of Tying Down Branches

  • Better yields from the same setup.
  • Allows you to control size and shape your plants.
  • Won’t stress your plants too much so they will recover faster.

Cons of Tying Down Branches

  • Requires maintenance to adjust ties and tie down branches daily.
  • May take a lot of time depending on the number of plants you’re growing.
  • You need to do it gently to avoid snapping the branches.

How to do it?

Tying down the branches is super easy. As the name suggests, you just have to tie down the main cola and branches when your plant has completely developed 3 pairs of leaves. So start by carefully bending down the main cola, secure it in place with the material of choice and then tie it to the sides of the pot. A couple of days later, you’ll notice that your plant continues growing upwards so identify the higher branches and tie them down too. After the initial tie downs, your plant will develop a more even canopy but the training doesn’t stop there. The branches and main cola will continue to grow upwards until the pre-flowering technique so in order to maintain the desired shape, continue tying the branches and adjusting the ties so they’re always holding the branches from the tip. Repeat it until you’ve reached the desired shape, once you’ve reached your objective and your plant is big enough, you can go ahead and flip to 12/12. After flowering your plant won’t grow much so you can remove the ties and let your plant flower normally.


Growing under a scrog net is another way of controlling plant growth while minimizing stress; this method works by placing a net above the canopy, and bending the branches and mains stem. This technique will not only control height but also provide support if needed so it’s definitely recommended if you have a large number of plants and don’t want to tie down every individual branch.

Pros of Scrogging

  • Less maintenance due to fewer plants.
  • Spend less money due to needing less seeds or clones.
  • Make the most out of each plant.

Cons of Scrogging

  • Hard to move plants around due to the scrog net.
  • Having problems with 1 plant can decrease the yields significantly.
  • It’s better to use plants that vegetate for longer to ensure you train them properly.

How to do it?

If you want to experiment with scrogging, you only need a scrog net and patience. Make sure to measure everything first, cut the net into the desired size and fasten it to the structure of the grow tent. Make sure it isn’t too tight so that you can adjust the height if needed. For this technique, it’s recommended to grow fewer plants in larger pots. In most cases, 4 plants in 20-liter containers are ideal for 1 square meter and should fill the whole scrog net in 6-8 weeks. If you’re growing autoflowering strains, you may need to grow more plants because autoflowers usually grow shorter but you can definitely scrog autoflowers and get great results. Remember to adjust the scrog net when needed because all plants grow differently, sometimes you’ll need to lower or raise the scrog net. Once your plants have started flowering the canopy should be even and with multiple flowering sites all over.


Supercropping or just pinching and bending is a high-stress technique that can give good results if done properly, This technique can definitely be used with autos but make sure the growing conditions are on point so you don’t stunt growth and your plants can recover fast as possible.

Pros of Supercropping

  • Quick and fairly easy.
  • No need for any extra tools.
  • Higher yields without upgrading equipment.

Cons of Supercropping

  • Mistakes may be fatal.
  • Plants take longer to recover from stress.
  • Plants may react badly.

How to do it?

Supercropping is probably one of the fastest plant training techniques because it can be done in 2 simple steps and you don’t need any tools but you definitely need to understand how cannabis plants grow and imagine your goal before starting. So once your plant has developed around 6 nodes, start by thinking on where it would be better to supercrop for the canopy to develop even, then identify the right spot and supercrop all the necessary branches. The top part of the branches are more flexible and easier to bend so grab a branch, hold it between your fingers and gently squeeze it, the branch should feel soft and limp, once it feels soft then gently bend it at a 90-degree angle. This is it! Obviously, you’ll have to continue to do it to the rest of the branches if you feel it’s necessary but the process is the same, it’s just a matter of repeating it until the canopy is nice and even.


Topping is another high-stress technique that results in growth similar to what you would get with scrogging but most often not very good for autos if you don’t have much experience because it consists of mutilating the top growth which can be quite stressful so be extremely careful.

Pros of Topping

  • Multiple main colas instead of just one.
  • Can be used in combination with other training techniques.
  • Even out the canopy, making the most out of your light fixture.

Cons of Topping

  • Topping creates an open wound, creating higher chances of pathogen infection.
  • Can be super stressful for some strains.
  • Plants may take long to recover if conditions aren’t on point.

How to do it?

Topping is usually done when your plant has developed between 3 to 5 nodes, just keep in mind that most growers wait until the plant has developed a minimum of 5 nodes. Also, it’s recommended to do it only if your plant is tall and healthy enough, meaning that topping may not be ideal for all strains. So grab sharp scissors, clean them with rubbing alcohol and remove the tip of the top growth. Make sure to cut the top growth without removing nearby leaves and branches to avoid stressing your plant even more. Once you’ve topped your plant, it may feel like it’s growing slow but don’t worry, that’s because your plant needs to recover but as soon as it recovers, you’ll notice how there are two branches growing upwards and this is how you know you’ve topped your plant correctly. If you are aiming for even more branching, you can continue topping the new growth until reaching your goal. Have in mind that topping slows down vegetative growth so the more you top, the longer the vegetative period will be.

Are Autoflowering Cannabis Seeds Suitable For Growing Outside?

In short, yes. Due to autoflowering marijuana not depending on the light cycle to trigger flowering, you can grow them all year long but for the best results possible, it’s recommended that you plan ahead so your plants get the most amount of sunlight and don’t suffer when it snows.

When you buy autoflower weed seeds from Fast Buds you are purchasing a product that is designed to be grown both indoors and outdoors.

By providing your feminized seeds with a basic level of protection from pests and the elements, like rain and excessive cold, then your plants will flourish. It’s important however to bear in mind that the overall yield will be dependent on the amount of light exposure, so it may be more beneficial to grow indoors at certain times of the year.

It’s recommended for first time outdoor growers to opt for Indica dominant strains, which are traditionally more acclimated to colder, tougher conditions. If you have any questions on the ideal starter strains for autoflowering seeds then get in touch with us for more help.

We’ve also covered the growing process in depth in our guide on Growing Autoflower Seeds Outdoors , which is ideal to consult once you have purchased your autoflower seeds.

See also  Weed Seeds For Sale Az

Are Autoflower Seeds Suitable For Growing Inside?

Growing autoflowers indoors

When growing autoflowering marijuana indoors you have more control over the elements and, due to autos don’t depending on a light cycle, you can provide anywhere from 18-24 hours of light per day.

A 18/6 light cycle will provide the energy your plants need while still saving a bit of money on the electricity bill but, if money isn’t a problem, you can keep a 20/4 or 24/0 light cycle from seed to harvest, resulting in faster plant growth and better yields.

The best conditions for your autoflowers

Despite being extremely resilient, it’s recommended to maintain certain temperatures and relative humidity levels to obtain the best results so it’s recommended to maintain the following growing conditions within the acceptable range:

  • Seedling stage – 20-25°C / 50-60% RH
  • Vegetative stage – 22-28°C / 40-70%
  • Early Flowering stage – 20-26°C / 40-50%
  • Late Flowering stage – 18-24°C / 30-40%

Obviously, it will be much easier to maintain these conditions when growing indoors due to having specific equipment to do so; When growing outdoors there’s not much to do other than planning ahead and starting your grow cycle when the conditions are a close as possible to the conditions mentioned above.

What to have in mind?

Autoflowering plants grow according to their genetic timeline, meaning that not all strains will grow and flower at the exact same time. Now, if you’re growing feminized seeds from the same strain it’s highly likely that they start to flower at the same time but if you’re growing different genetics in the same space, they will probably start flowering 1-3 weeks earlier or later so make sure you plan ahead and keep this in mind, especially when growing indoors.

Always remember that breeders have top-of-the-line equipment and the seed to harvest time specified is based on those conditions so if you’re having trouble maintaining good growing conditions, your plant may take a little bit longer to be ready for harvest but it definitely won’t affect bud quality and quantity so don’t worry.

What Light Cycle is Best For Autoflowers?

Growers love using autoflower weed seeds due to the simple, rapid turnaround to harvest. Those growing standard strains will know about the uncertainty with regards to the optimum light cycle when growing, and without autoflowering traits this needs to be sustained for a longer period of time.

We have covered the topic of the best light cycles for autoflowering seeds in depth previously. To summarise our recommendations from the article the best way to grow most autoflowers is using an 18/6 split between light and dark. This provides adequate time for the plant to rest between growth periods when exposed to natural or artificial light.

Autoflowering strains are known for being hardy, and as such if you wish to opt for a different light cycle your cannabis will still grow well, but is less likely to yield highly in most cases. Other commonly used methods give a shorter rest period, such as 20/4, while some swear by growing in 24 hour light.

The latter we would be reluctant to recommend to most growers, as the break from the light cycle allows the plant to rest and recover. Imagine if you had to workout for 24 hours straight! Much like humans, all plants, including autoflower seeds, need time to rest to perform at their best.

Light Cycle


Normal growth rate and expected yields

Faster growth and bigger yields than average

Faster overall development but can stress some strains

What Light should I use?

Autoflowers don’t need special light fixtures, you can grow them under any light fixture you prefer or have available but for the best results it’s recommended to provide a minimum of 75 watts if using light bulbs or the equivalent for LEDs which is around 50 watts.

Metal Halide

MH bulbs are quite good for the first couple of weeks, you will still have a good harvest if you use an MH bulb for the entire grow cycle but it’s recommended that you change to an HPS bulb to maximize bud production So if you have to choose between an MH or HPS bulb for the whole cycle, we recommend using HPS bulbs.

Ceramic Metal Halide

CMH bulbs are kind of an improved version of MH, using less power to provide the same or even better plant growth and trichome production than regular MH but they emit less what so for those that live in cold climates it may become a bit hard to maintain good temperatures.

High Pressure Sodium and Double Ended-HPS

It’s highly recommended that you use HPS bulbs during flower due to the light spectrum and power, these bulbs will produce very healthy plants, dense buds and impressive yields, and if using a ballast, will allow you to control the light intensity which is always a plus.


Nowadays lots of growers are migrating to LEDs due to the full-spectrum offered and their effectiveness, despite the high cost, these fixtures produce really impressive results with relatively low power, which makes it worth it if you’re planning on using them for at least 2-3 years.

Also, the light spectrum has a big role when growing so it’s highly recommended that you provide a “blue” spectrum such as MH or CMH during the vegetative stage and “red” spectrum during the flowering stage such as HPS or DE-HPS; When growing under LEDs a full-spectrum fixture will do the trick.

Apart from the spectrum there are other things you should have in mind when choosing your light fixture such as efficiency and PPFD.

Light Efficiency

Light efficiency refers to the wattage a certain light needs to produce a certain amount of PPFD and it’s vital you know a certains light efficiency because this is what will make you save money in the long run. To achieve a better efficiency, manufacturers need to use a good LED driver and more individual LED diodes that run at a lower current and emit less heat, thus resulting in a longer lifespan.

Photosynthetic Photon Flux Density (PPFD)

The light efficiency is directly related to PPFD because, as said above, light efficiency is how much power a certain light needs to emit a certain amount of photons. Now, have in mind that PPFD is not the same as PPF; PPF is the amount of light produced by a light fixture while PPFD is how much light reaches your plants so you don’t really need to know how much light that fixture produces but you definitely need how much reaches your plants.

So basically, light efficiency is calculated by dividing the PPF by the actual power consumption (wattage) and, the higher the result, the more efficient your light fixture is.

Which Autoflowering Seeds Strains Are Best To Grow Outdoors?

Thanks to their embedded autoflowering traits there are a number of strains that can withstand harsher environments than traditional strains. That being said if you are planning to grow outdoors in wet or cold weather conditions then selecting a tough strain is essential.

If the above applies to you then we would recommend the following strains:

For an even more extensive list of our recommendations, check out our previous post on the top 10 autoflowering strains to grow outdoors .

Which Autoflowering Genetics Produce The Largest Yields?

Growing is a science, and as such yields can vary depending on the conditions and quality of the grow cycle. That being said our team are experts in perfecting growing, and as such we can advise you that in the correct conditions these autoflowers will provide the highest yields:

    – Up to 450-600gr/m2 – Up to 450-600gr/m2 – Up to 650gr/m2 – Up to 500-600gr/m2 – Up to 450-600gr/m2

For more details on the above strains and their typical traits once harvested check out our article on the top 5 highest yielding autoflowering cannabis strains .

Which Autoflowering Cannabis Strains Yield The Highest Amount of THC?

Regardless of how you choose to consume your buds once yielded, there’s no doubt that potent amounts of THC is the most important factor to the quality and intensity of the high. If you are an experienced smoker, or looking to cultivate for those that are more acclimated to regular cannabis use, then a high THC% is essential.

Through genetic engineering and the finest breeding processes we have successfully produced strains that are among the biggest producers in terms of THC available. Typically what we consider our strongest strains are:

    – Up to 27% – Up to 26% – Up to 26% – Up to 24% – Up to 24%

For more details on the above strains and their typical traits once harvested check out our article on the top 5 highest THC autoflowering strains .

Are Medical Strains Available With Autoflowering Properties?

Yes, if you are looking to take advantage of the medical benefits of CBD we also offer strains that are genetically engineered for this purpose.

For those looking only for CBD without the effects of THC our CBD Auto 20:1 is an excellent choice. With THC levels as low as 0.3% this strain is legal to smoke in many countries, and with CBD at 20% consumption can help with conditions such as chronic pain.

If you are looking for a balanced strain, or are new to cannabis consumption and are interested in the effects of THC, then we recommend CBD Auto 1:1 . At 7% THC and 7% CBD the medical benefits and enjoyment while smoking are perfectly balanced.

How to take advantage of medicinal benefits?

There are several ways to use CBD-rich feminized seeds, in most cases, medical users have health issues and cannot actually smoke CBD strains but luckily for you, you can vaporize it to avoid harmful smoke or make several infused products such as edibles, oils, creams and gels which will surely alleviate pain or other symptoms without actually having the psychoactive effects that most medical users do not want to feel.

Who Are Autoflowering Seeds Best Suited For?

Buying feminized seeds is fast becoming the main choice for both commercial and personal growers.

In the commercial sector growers enjoy using autoflowers for their convenience and fast turn around. Coupled with the recent development in genetics it means that commercial growers opt for high yields, THC content or even compact size to allow the maximum number of crops in a given area.

Those that grow for personal use enjoy buying feminized seeds for similar reasons. In addition the selected genetics mean that the grow process is a lot more forgiving for novice growers. Thanks to shorter turnaround times and strains that are suited to outdoor growing, personal use growers can get all the benefits of their own supply with very little effort.

Which Soil Is Best For Autoflowering Cannabis Seeds?

Soil is often underutlised by amatuer growers, it’s a common misconception that the soil is merely there to keep the plant upright! Soil is, in effect, one of the most important parts of growing a healthy plant with dense, resin soaked buds.

If you are looking for a simple solution for your first grow then organic soil is best suited. The fact the soil is in a constant state of decomposition means nutrients are released regularly to your plant, giving plenty to fuel growing. Additives such as Coco, Biochar or Perlite can be mixed into the soil as well, each of which has its own unique benefits.

The quality of the soil itself is simple to assess. A good quality soil will be labeled with detailed nutritional information, be fairly light and free of major density and clumps. The best soil is often lacking in smell as well, if your soil is pungent then it is likely full of bad bacteria and shouldn’t be used.

We’ve covered which soil is best for autoflower seeds previously in a lot more detail if you want to fully brush up prior to buying autoflower seeds.

If you don’t want to use soil as your substrate of choice, you can always opt for any of the following substrates:

  • Peat moss
  • Perlite
  • Vermiculite
  • Coco fiber

These substrates offer different characteristics so the should be mixed according to your growing conditions, for example, if your humidity is too high you should add 20-40% perlite to your preferred substrate mix or, if the humidity is too high, add 20-30% vermiculite or peat moss.

In regular growing conditions, we highly recommend a substrate mix of 70-80% coco with 20-30% perlite for a good alternative to soil.

What kind of water should I use?

The water’s pH level can affect which nutrients your plant absorbs, it really doesn’t matter where the water comes from as long as the pH is within the acceptable range. The ideal pH will depend on the substrate you’re growing in and the fertilizers you’re using but in general, we recommend adjusting the pH to 6.0-7.0 when growing in soil and 5.5-6.5 when growing in hydro or coco fiber.

How often should I water my autos?

There’s no way to know exactly how much water you need to water with because the watering schedule will depend on your specific growing conditions. This happens because the humidity levels, temperature, light intensity, substrate, pot size and everything else will affect how water evaporates and dictates how long it takes for the substrate to dry out. As a guideline, you should water your seedling with 100ml of water and gradually increase the amount of water as your plant grows. The main objective is to water your plant every 2-3 days once the substrate is around 70% dry.

What is the recommended pot size?

For those who have lots of growing space, it’s recommended to use 12-liter pots to allow the plant to grow to its maximum potential but depending on your setup and the space you have available, it’s possible to control their height; By choosing the right pot size you can control the size your plant will grow to, a general guideline is:

Pot Size In Liters

Approximate Plant Size in Cm

Full plant height

What Nutrients Should I Feed Autoflowers?

You can use both organic and synthetic nutrients when growing autoflowers but autos need fewer nutrients than other types of feminized seeds and most fertilizers are designed for non-autos so it really doesn’t matter what type of fertilizers you use as long as you start with a lower nutrient dose. Now, some strains may require more than others so it’s recommended that you start with ⅓ or ½ of the recommended dose and gradually increase it if you feel like your plant needs it. As a guideline, you can follow this general schedule:

  • Week 1 Seedling – Plain water;
  • Week 2 Vegetating – ⅛ veg. nutes;
  • Week 3 Vegetating – ¼ veg. nutes;
  • Week 4 Pre-flowering – ½ veg. nutes + ⅛ bloom ;
  • Week 5 Flowers taking form – ¼ bloom + ⅛ veg. nutes;
  • Week 6 Flowering – ½ bloom nutes;
  • Week 7 Flowering – ½ bloom nutes;
  • Week 8 Flowering – ½ bloom nutes;
  • Week 9 Ripening – ½ bloom nutes;
  • Week 10 Flushing – Plain water.

Can I Grow Autoflowers organically?

Now, the table above is a general guideline but you can be more specific depending on the fertilizers you are using. As you may know, organic fertilizers make the nutrients available in the substrate for your plant to feed whenever it needs to. Despite seeming like growing organically is harder, it’s not and there are several ways you can do it such as:

    (KNF); ; ;
  • And Organic teas .

But if you want a simple and effective way, we recommend the mixing following with 1L of substrate (either coco or soil; Perlite optional):

Organic Worm Castings

Bat Guano


Humic Acid

Rock Phosphate

Epsom Salts

Bone Meal

Blood Meal


Can I Grow Autoflowers Hydroponically?

Yes! You definitely can grow autoflowers hydroponically and have great results, it’s just a matter of having the growing conditions on point and, most important of all, making sure you check the pH, temperature and PPM of the nutrient solution.

For those of you who don’t know, the nutrient solution’s pH is what will allow your plants to absorb certain nutrients so even if you’re feeding your plant properly, the pH can cause nutrient block and your plant won’t be able to absorb them, this is why you should keep the pH around 5.5-5.8.

Another important thing is the PPM or EC because when measuring it, you will know exactly how much nutrients your water contains and this is essential for hydroponic growing, as a guideline, the nutrient solution’s temperature should be around 20°C and the PPM values should be the following (approximately):

  • Seedlings: 100-400
  • Early vegetative stage: 400-800
  • Late vegetative stage: 800-1200
  • Pre-flower/ Early flower: 1000-1400
  • Mid Flower: 1200-1600
  • Late flower: 1000-500-0

There are several hydroponic setups and each one has its own advantages and disadvantages, among the most common for autoflowers are:

Deep Water Culture (DWC)

Deep water culture or DWC is a hydroponic grow setup that consists of growing plants in special pots or nets (with or without perlite, coco or clay pebbles) with their roots hanging down, having part of them submerged in a nutrient solution and part hanging in midair, this way they can feed while having lots of oxygen available.


Aeroponics is very similar to DWC but instead of the roots being partially submerged, the entire root system is hanging in midair while an automated sprinkler moistens them every 3-5min, this way they get nutrients and oxygen, just like in a DWC. Have in mind that when growing aeroponically you should use a light proof and waterproof reservoir to avoid mold and help create a humid environment for the roots to thrive.

Drip irrigation

Drip irrigation consists of using thin tubes placed on top of the soil with a dripper at the tip which will feed nutrient solution drop by drop all day long. You can also program it to work every 15 min or however you wish to, making sure that your plants are not getting too much water. This is a great way to grow autoflowers because you avoid overfeeding due to your plants getting small amounts of nutrients all day long instead of getting a lot just once every 2-3 days.

How Do I Know It’s Time To Harvest My Plant?

Knowing when to harvest your autoflower seeds can be tricky, and for many first time growers will be desperate to pick the buds once they are looking fully formed.

After around 5 weeks of growth you should be entering the phase where bud growth is more prevalent, then by week 7-8 the buds will be at their largest. However this is not the best time to harvest them! Instead keep an eye on what your plant is telling you, once you have flushed it in the last weeks before the cycle you will notice less nutrition is taken by the plant and a yellowing can start to occur.

You’ll also notice the smell of the plant intensifies as the growing cycle comes to an end, this means energy is being directed towards bud growth. Visually you will notice the stigmas are turning brown and the trichomes becoming dense, then you know your buds are ready for harvest. So as a guideline, you should pay attention to the following:

  • Swollen calyxes
  • Brown stigmas (hairs or pistils)
  • Water absorption.

Harvesting early often results in a less potent effect, and in hybrid strains when consumed a more sativa dominance. When leaving the buds for too long the over ripeness produces a heavy indica effect, so bear this in mind before harvesting.

Once you have reached this point, it’s time to check the trichome color; For those of you who don’t know, trichomes are the crystals you see on cannabis starting from the pre-flowering stage, this crystals not only produce but also store the cannabinoids, terpenes, flavonoids and other compounds that are responsible for the effect, this is why trichome color indicates the type of effect you will get, there are basically three different colors:

  • Clear – Trichomes are not mature enough yet;
  • Cloudy or milky – Trichomes are on their peak potency;
  • Amber – Trichomes have started turning into CBN, resulting in a more corporal effect.

This is the standard practice that both commercial and home growers use because it allows you to get an effect that better suits your needs, this is why it’s extremely important to buy cannabis seeds based on the effect you want and then experimenting with different trichome colors.

A lot of knowing when to harvest is based on your plant’s appearance and behavior. For a more detailed look check out our guide on harvesting autoflowering plants .

What’s the difference between THC and CBD?

Both THC and CBD are cannabinoids produced by feminized seeds in the trichomes and both of them affect the endocannabinoids system. Researchers are still trying to understand exactly how it works but we already know THC is absorbed by CB1 receptors in our central nervous system, causing psychoactive effects while CBD is absorbed by CB2 receptors in our peripheral nervous system, causing corporal effects. This is why consuming cannabis can affect several processes such as memory, appetite, sleep and mood.

Are there other cannabinoids?

Yes, definitely. Cannabis plants don’t only produce THC and CBD, in fact, researchers think cannabis plants may produce over 100 cannabinoids but most of them are produced in extremely low levels, at least in commercial strains, which makes it hard for researchers to study them. Obviously, the most famous cannabinoids are THC and CBD but cannabis plants produce other cannabinoids such as:

  • CBG;
  • CBC;
  • CBG and;
  • THCV among others.

But all these different terpenes aren’t directly made, cannabis plants actually produce acids that must then be activated (decarboxylated) by applying heat, this means that cannabis plants don’t produce THC and CBD, they actually produce THCA and CBDA which then turn into THC and CBD by applying heat. Despite producing these different cannabinoids in the same way plants produce THC, for example, the only cannabinoid we know that produces psychoactive effects for sure is THC. The other cannabinoids may have the potential to get you high but depend on the dose you’re consuming and due to not being present in high quantities, it’s hard to know.

But, even though they’re not psychoactive by themselves, researchers suspect they might influence how THC and CBD affect you, known as the entourage effect.

What is the Entourage Effect?

When you smoke or vaporize cannabis you’re not only consuming THC and CBD, you’re actually consuming a specific combination of hundreds of different chemical compounds such as cannabinoids, terpenes and flavonoids. These different combinations provide specific effects, this means that one strain might have the same compounds as another one but due to the different concentrations, the effect may be slightly different. And obviously, if the chemical compounds produced are different (like when growing two completely different strains) the effect will be completely different.

What are Terpenes?

Terpenes are aromatic compounds found in most plants and herbs, including cannabis. These terpenes are usually used to create flavors and scents in everyday products such as foods, perfumes and creams. In cannabis plants, for example, terpenes help attract pollinators while keeping predators away while playing an important role in plant health because they help keep germs away.

What Are Flavonoids?

Flavonoids are a group of chemical compounds that mainly affect the pigmentation of cannabis plants but can also affect the aroma and flavor of the buds. Flavonoids are found in many plants and in the majority of fruits and vegetables. These chemical compounds also play a minor role in protecting plants against UV rays, pathogens and bugs. Most cannabis consumers think the smell and flavors of cannabis plants are only due to terpenes but flavonoids play an important role in the different qualities that distinguish different strains. Something similar to the entourage effect happens with terpenes and flavonoids due to the qualities both terpenes and flavonoids share with each other. Flavonoids also affect the pigmentation of cannabis plants, being responsible for the beautiful purple, bue, pink, red and all other colors you may find on cannabis plants.

How to trim autoflowers?

Trimming consists of removing the excess foliage and sometimes stigmas (hairs) to shape the buds and make it more appealing; The objective is to remove everything that doesn’t have any trichomes on it and create a uniform surface around the buds. This will not only result in better-looking buds but can also help your drying process, there are basically two types of trimming: wet trimming and dry trimming.

Wet trimming

Trimming your cannabis before drying is known as wet trim because the leaves are still fresh (or “wet”) during trimming. This method is preferred by most growers because it’s easier to trim fresh leaves than dry and brittle leaves but it’s more recommended if you’re suffering from a high humidity in your dry room.

Dry trimming

Dry trimming consists of trimming after drying, when the leaves are completely dry. This is usually done by commercial growers or those that have a proper drying room because the extra humidity in the leaves may increase the humidity levels in the drying room so it’s only recommended if the humidity and temperature in your drying room are on point.

How to dry autoflowers?

The drying process consists of evaporating the excess humidity in the buds, preparing them for curing and consuming. Now, drying isn’t very hard, it’s just a matter of harvesting your plant and hanging them upside down or placing them on a drying rack; For the best results possible, you should keep the following conditions in the drying room :

  • Temperature 21°C
  • Humidity 50-60%

How to cure autoflowers?

After harvesting and drying, curing is the last step before you’re actually able to consume your harvest. The curing process consists of placing the buds in a hermetic glass jar to allow the trichomes to mature properly and result in a better tasting and smelling harvest. The conditions for the curing process should be the following:

  • Temperature 21°C
  • Humidity 60-65%

What else can I do with my harvest?

Apart from vaporizing and smoking it, you can consume your harvest in several different ways because what provides the medical or recreational effects are actually the trichomes and not the plant matter itself. So if you want to experiment with different ways of consuming cannabis (or just cannot smoke due to a health problem), you can also consume it in creams, oils, edibles, and extracts. But first of all, you need to decarboxylate it.

See also  Hybrid Weed Seeds

What is decarboxylation?

Decarboxylation is a chemical reaction that happens when you apply heat to a certain cannabinoid, which removes a carbon atom from the carbon chain, thus “activating” the cannabinoid. So basically, THCA turns into THC and it can now provide the psychoactive effects everyone knows.

How to decarboxylate cannabis?

Decarboxylating your cannabis is extremely simple: grab around 10 grams of cannabis flower, manually break it into fairly small pieces, spread it evenly on a baking sheet, and heat it in the oven at 100 °C for 25 – 30 minutes. After the 25 – 30 minutes have passed, let it cool down to room temperature and you can make your own cannabis-infused oil or butter!

How to make cannabis-infused products?

Making your own cannabis-infused oils, butters or edibles is really simple. So first of all, you have to decide what you want to make. You can use olive oil, coconut oil, ghee and butter among others. All you have to do is add 1 cup of water and 1 cup of butter or oil into a pot, simmer on low and let the butter melt. Once the butter has melted, add the decarboxylated cannabis and maintain low heat (between 75-85°C) and let it simmer for 2 – 3 hours without letting it come to a full boil. Remember the oil or butter should turn into a nice golden color, if it starts turning green it’s time to end the process. After your cannabis-infused butter or oil is done then you can just use it however you want!

Auto flowering Marijuana Seeds

At MSNL we stock a wide range of Autoflower seeds from high THC strains such as Bruce Banner, to huge yielding plants like Big Bud Auto, we’ve got a strain for every grower. Despite their small size, auto flower seeds have some huge advantages over ordinary photoperiods. This is mainly their ability to flower in a much shorter time and without a change in light cycle. But what is exactly is an autoflowering seed and are they the right choice for your next grow?

/Auto flowering Marijuana Seeds 15 2 Auto flowering Marijuana Seeds 2

What is an autoflowering seed and where are they from?

There are three main types of cannabis strain, each indigenous to a different part of the world and with their own character traits. Sativa’s are tall and wispy and grow in tropical climates such as Thailand, Mexico and South Africa. Indicas are shorter with a dense foliage and grow in cooler climates such as Afghanistan, Pakistan and India. Finally, ruderalis strains are native to colder regions of the world such as Siberia and Russia, they are shorter still and grow into dense bushy plants with shorter flowering periods than either Cannabis Sativa or Indica. It is because cannabis ruderalis originates in these cold regions of the world that they have developed the unique ability to grow and flower automatically with less daylight hours. In the mid 90’s Ruderalis strains were crossed with sativa and indica varieties to produce what we now know as auto flower seeds.

Why should I buy autoflower seeds?

Many first time growers are drawn to auto flowering seeds because of their no hassle approach to growing. However, when comparing autoflowering vs feminized there are huge benefits to for every type of grower.

Autos flower faster – Ever struggled to finish a grow cycle before the weather gets cold? Autos begin flowering in weeks 2-4 of growth regardless of the amount of light that they receive. Their flowering periods are also much shorter, and they can be grown from seed to harvest in as little as 65 days. The advantage here are that you can often fit an extra grow cycle in before the weather gets too cold for cannabis plants.

Autoflowers are smaller – Many growers see this as a disadvantage; however, their compact size is ideal for anybody growing indoors where space is limited. Growing in a cupboard or small grow tent is infinitely easier to maintain if you are using autoflower seeds. Aside from this their naturally short stature means that they are well suited to stealth growing, be it indoors or outdoors.

Autoflowers are robust – Thanks to their ruderalis genetics auto flowering seeds can grow and survive in much colder climates than photoperiod strains. For any outdoor growers in colder regions with shorter daylight hours autoflowering seeds would be best suited.

Felixibility – Auto flowering seeds can grow and flower under any light cycle all the way up to 24 hours of light. So, you can grow them outdoors, indoors, and even alongside your photoperiods if you have some spare space in your grow tent.

Easier to grow – Because of their compact size you can conveniently keep them in the same 10-15 litre pot from the start of the grow right the way through to harvest, removing the need to ever transplant them.

Buy auto flower seeds in the USA and worldwide

At MSNL seed bank we have an unrivalled range of the best auto flower seeds for sale. We ship to all US states, Canada, Australia, United Kingdom, and pretty much everywhere else in the world.

Autoflowers have become a game changer in the world of cannabis and have made good quality marijuana more accessible for the home grower. Autoflower genetics have come a long way in the last two decades, no longer are they small yielding low THC plants. Thanks to the extensive breeding programs of seed banks like MSNL, autoflowers have now developed into wide array of THC and CBD rich strains of all sizes and flavours.

Top tips for growing autoflower seeds

If done right, growing auto flowers can be one of the easiest, most hassle-free ways of growing cannabis. Their compact size and fast flowering times make them ideal for the average home grower, and now with the genetic crosses we have produced at MSNL there is no need to compromise on quality. By following these simple tips, you will produce even better buds from your autoflower grows.

Use a sensible light cycle – Although autoflowers can grow under any light cycle, using either 18/6 or 20/4 is advisable for optimum growth and quality. Cannabis plants like all living things need rest, so providing a short period of darkness of 4 – 6 hours will keep your plants will be healthy, and you will reap the benefits.

Choose the right autoflower seeds – It may sound obvious but the biggest precursor to good quality weed is good quality genetics. Choose a seed bank like MSNL that has a solid reputation and a history of producing high quality autoflower seeds.

Avoid re-potting autoflowers – Repotting can be stressful to any plant, but autoflowers have a much shorter life than photoperiods so it is important to make good use of the time available to optimize growth. Try planting your seeds directly into their final growing container after germination, this minimizes disruption and stress and allows the plant to make the most of its vegging stage.

Avoid silly mistakes – Easily avoidable mistakes such as over and under watering, nutrient burn and light burn can take weeks for a plant to recover from. Try your best to avoid making these mistakes with autoflowers. The growth period is much shorter so time is limited, and it can cause permanent stunting of growth.

Train your plants for optimal yields – Auto flower plants are naturally smaller and more compact, but that doesn’t mean that you need to settle for mediocre yields. Using training techniques such as LST whereby you tie down the branches of the plant to widen the canopy, maximises light absorption and can massively boost yields.

Give them extra time if needed – Remember, although auto flower seeds grow much faster than ordinary photoperiods you still need to use the tried and tested methods of assessing when they are ready to harvest. Check the appearance of the trichomes using a jewellers loupe or magnifying glass to make a judgement on when they are ready. Some people grow autos for 10-11 weeks, although this may seem like a long time the wait will be worth it for better quality bud.

When should I harvest my auto flower?

What to look out for Effects of different harvest times How should it look
Hairs are still white and are sticking straight out. Don’t Harvest – The plant needs more time, and it will likely have low THC and CBD levels.
Thrichomes are 50% clear/cloudy. High Energy – This is considered early to harvest, however some weed harvested at this time tends to give a more uplifting energetic high which some users may prefer.
Trichomes are 80 – 100% cloudy and hairs have begun to darken High THC – If most of the white hairs have darkened and the majority of the trichomes are cloudy the plant will be at optimal levels of THC production. Harvest now for potency.
Trichomes are amber coloured and most of the hairs have darkened Relaxing High – Once the trichomes have gone past the period of optimum THC levels they begin to turn amber. At this point the CBN levels increase and the high becomes more relaxing or “couch locked” for higher THC strains.


Autoflowers grow much faster than photoperiod strains and can grow from seed to harvest in as little as 65 days, but it does depend on which strain you grow. Here is an average time schedule for autoflower growth.

Day Growth Stage
1-28 Seedling / Early Vegetative stage
28-35 Pre-flowering stage
35-65+ Full Flowering Stage

The first two stages will generally be the same regardless of strain, however some strains, particularly sativa dominant autoflower seeds do have longer flowering periods. So, the full flowering stage can last anywhere from 30 – 40 days depending on the genetics of the strain that you are growing.



Yes, at MSNL seed bank all of the auto flowering seeds that we stock are feminized and will produce 100% female plants. This means they will produce smokeable buds without seeds or pollen sacks.


Big Bud Auto was developed with one goal in mind, to create huge yields. Thanks to its ruderalis genetics Big Bud Autoflower is a robust strain that will grow well in almost all climates with minimal training. Growing to around 100 – 120cm tall and yielding up to 600g/m2 in just 80 days you will have a compact plant full of thick solid buds that are ready to smoke.


A potent cross of Sour Dubb and Chem Sister with a ruderalis, turned Gorilla Glue into the most potent autoflower you are likely to grow. With THC levels of up to 25% Gorilla Glue Auto flower easily rivals many of its photoperiod counterparts when it comes to potency and with yields of 500gr/m2 you will have plenty of bud to smoke from this little plant.


If you are in a hurry to get some bud, Cherry Pie Auto Flower can finish in as little as 6 weeks from flowering. New to MSNL and easily our fastest flowering strain, Cherry Pie Auto is a great tasting fruity cross of Cherry Pie and The Fog. With a comfortable 16-19% THC Cherry Pie Auto grows into a modest sized plant that is easy to maintain and ideal for the indoor stealth grower.

Autoflowering Cannabis Seeds

Home growing cannabis enthusiasts can choose from various types of cannabis seeds, one being autoflower weed seeds. This kind of cannabis seed is one of the quickest and easiest weed seeds to grow, making it a popular choice amongst novice growers to slowly dive into the art of cannabis cultivation. Autoflowering cannabis seeds are a hit in the cannabis community because autoflower cannabis plants can harvest in as little as eight to ten

weeks after sprouting! The name auto flower speaks to the species ability to automatically flower regardless of its light cycle, or how much sunlight and darkness it has been exposed to. Autoflower seeds are pretty easy to get your hands on but you will need some pretty high quality seeds to set the standard in your grow garden. Be sure you are purchasing from our EF420 website where we sell high quality products to our thousands of customers that trust us to deliver directly to their door safe and sound. The benefits of working with autoflowering cannabis seeds are hard to beat and you should know exactly how to best utilize this type of cannabis seed to get as much yield as you can. Safe to say it is a good idea to add a few different autoflowering cannabis seeds to cart and give it a go, in one month’s time you might just become the next cannabis cultivator extraordinaire!

Why use autoflowering cannabis seeds?

If you are intrigued by the process of growing cannabis but always thought it was too difficult to attempt, autoflowering cannabis seeds were especially made for you. Autoflower cannabis seeds come from the cannabis ruderalis plant, and are known for being a pretty resilient plant species in having to evolve over time to adapt to harsh weather conditions. Native to parts of Asia and Central/Eastern Europe, the cannabis ruderalis plant had to learn quickly how to survive in low levels of light, cold temperatures, strong winds, and so on. Almost completely removing different stressors that involve growing a plant, autoflower seeds give growers so many perks when it comes to growing it as compared to a regular or feminized seed. Autoflower cannabis seeds are some of the newest generation of cannabis seeds available on the market today and should be the most attractive type of seed to beginner growers especially.

Pros and cons of autoflower cannabis seeds

There are upsides and downsides when it comes to using any type of cannabis seed, but autoflowering cannabis seeds have several benefits that other types of weed seeds cannot offer. The perfect type of cannabis seed will truly depend on your situation, specifically regarding: indoor or outdoor setup, how wide the grow space will be, how many weeks/months you have to grow cannabis, etc. Not every seed is one size fits all, but with autoflower seeds you can at least try to find the perfect seed for your home growing situation.

Autoflower seeds offer quick harvest times

A lot of us do not have the stamina to go several months waiting for our cannabis plants to harvest, and until auto flower seeds popped up on the scene in the home growing game, there wasn’t much of an option. Compared to having to wait at least four months for cannabis plants to become mature and harvest, autoflower weed seeds are a serious game changer when it cuts growth cycle times by more than half. It can typically take auto flower seeds around eight to ten weeks to fully harvest after germination, so about two or two and a half months if you play your cards right. Photoperiod seeds that take several months to grow and harvest depend on their light cycle schedule, or the amount of sunlight and darkness the plant will receive. Auto flower seeds have become so popular amongst cannabis home growers thanks to a significantly shorter life span, allowing users to grow more and at a much quicker pace than they would with feminized seeds. Even those who do not have the greenest of thumbs will still be able to keep an autoflower seed alive just long enough for them to do their thing by themselves, which makes this the perfect plant to get for someone who has lost all hope in becoming a plant parent.

High CBD content in autoflowering weed seeds

Autoflower seeds have a fair amount of CBD in comparison to other photoperiod type strains. With the presence of CBD, the mix of both cannabinoids creates a very functional high and a big reason why many are drawn to auto flower seeds is because of the nicely balanced effect that autoflowering seeds can produce. While some prefer more of the psychoactive ingredient for a more potent effect on the mind and body, autoflower weed seeds offer a steady high that can hype you up for the day or wind you down for a night in.

Autoflower seeds produce lower yields

It is important to note that while autoflower seeds are excellent plants for low maintenance growers, it does come with the downside of not producing as much yield as a photoperiod seed would. The quicker a cannabis plant grows, there will not be much time to grow to its full potential without the time and extra nutrients to do so. Similar to sativa plants, autoflower seeds grow pretty short, stocky and thick with the advantage that its full growth cycle is typically shorter than indica seeds.

Perpetual harvests, but no recovery time

Most autoflower weed seeds are the gift that keeps on giving once it starts to grow, since it can grow any time of the year without much maintenance like you would need to with photoperiod feminized cannabis seeds. Perpetual harvests occur when a grower can continuously germinate autoflowering cannabis seeds and time it so that each growth cycle starts when the previous plant starts to harvest. This allows growers to be in continuous supply and never have to worry about lower yields anyway since perpetual harvests are in constant flow and produce cannabis like clockwork. The downside to autoflower seeds having a quick growth cycle and ability to perpetually harvest all year long, is that auto flower seeds will not have any time to recover in the way that photoperiod feminized seeds do with a slower growth cycle. Growers can very easily make costly errors when working with autoflower weed seeds because anything that can affect the growth process will not have enough time to bounce back the way photoperiod cannabis seeds can with the extra several weeks to mend any damage or mistreatment to the plant.

Working with autoflowering cannabis seeds comes with advantages and disadvantages depending on a grower’s experience, growth space, growth techniques, and so on. While auto flower seeds can grow very quickly and often in half the amount of time as feminized photoperiod cannabis seeds, they will not produce as much yield as a photoperiod seed would. But who needs a lot of yield when autoflower seeds can continuously produce for you in as little as two month’s time. Autoflower seeds are an excellent choice for those that would like the combination of CBD to get a functional and sustainable high going.

Why are autoflowering cannabis seeds so resilient?

The background history with auto flower seeds is an excellent example of adaptation and evolution. The cannabis ruderalis plant is a ruderal species that grows in areas that have been disturbed and then left alone, and over time the species grew resilient through harsh winters in Russia, Central and East Europe, and parts of Asia. Growing anything in these climates during the harsh winter months is difficult but auto flower seeds really showed out and proved how durable they can be and adapt when necessary. Today, auto flower seeds can be found online and in stores but previously the cannabis ruderalis plant was known as wild cannabis and was not as easily accessible if not naturally growing in your region. Shortened growth cycles with autoflower weed seeds allow even novice home growers the chance to grow their own cannabis, and no matter the season so you can pick up a hobby growing autoflower seeds any time of the year.

What to choose? Compare our cannabis seed strains!

If you are indecisive with your life choices and don’t have a clue about what type of auto flower seeds you need to kickstart that hobby as a home grower, you have come to the right place! We think all of our cannabis seed collections are stellar thanks to our team fully vetting each brand and batch received to ensure nothing but high quality products, but there are a few auto flower seeds that stand out from the crowd. Choose from classic strains to give that extra nostalgic feeling that comes with a home grown high, or go with a completely new strain you’ve never heard of before for a unique and organic experience. The options are endless when it comes to choosing a cannabis strain, especially with the various types of strains like photoperiod feminized and auto flower seeds. While each have upsides and downsides when using cannabis seed strains to grow at home, it is a fantastic user-friendly way to dip your toes into learning how to cultivate your own weed.

Linked name of the product Blend Flavor Indoor/Outdoor Season of the year (for summer, for winter, etc.) Storage method Level (for beginners, etc.)
Blue Dream Autoflower Seeds Sativa Dominant Hybrid (Blueberry x Haze) Citrus, floral, earthy Indoor or Outdoors Perfect for any season Keep autoflower seeds stored in a sealed container and in a cool, dry place Autoflowering is for beginner to expert level growers
Bruce Banner Autoflower Seeds Sativa Dominant Hybrid (Strawberry Diesel x OG Kush) Fruity and earthy Indoor or Outdoors Perfect for any season Keep autoflower seeds stored in a sealed container and in a cool, dry place Autoflowering is for beginner to expert level growers
Girl Scout Cookies Autoflower Seeds Indica Dominant Hybrid (Durban Poison x OG Kush) Minty, chocolate, pungent skunk profile Indoor or Outdoors Perfect for any season Keep autoflower seeds stored in a sealed container and in a cool, dry place Autoflowering is for beginner to expert level growers
Durban Poison Autoflower Seeds Sativa Candied lemons Indoor or Outdoors Perfect for any season Keep autoflower seeds stored in a sealed container and in a cool, dry place Autoflowering is for beginner to expert level growers
Gorilla Glue 4 Autoflower Seeds Sativa Dominant Hybrid Coffee, chocolate Indoor or Outdoors Perfect for any season Keep autoflower seeds stored in a sealed container and in a cool, dry place Autoflowering is for beginner to expert level growers

Autoflowering cannabis seeds vs Regular cannabis seeds

If you haven’t already figured this out by now, autoflowering cannabis seeds are much different than other cannabis seeds available to home growing enthusiasts. Although you might prefer a certain cannabis seed over the other, getting a grasp on the different types of cannabis seeds gives home growers a better look into the science behind the magic. So what are the key differences between auto flowering cannabis seeds and regular cannabis seeds?

Regular cannabis seeds produce male plants too

When Rexx Life Raj said, “All that I’m asking is that you help me find the beauty in the madness” our stoner minds instantly take us to the joy of working with regular cannabis seeds and the chaos that comes with it as well. Since regular cannabis seeds are 100% natural with no curated genetics, there is a 50/50 chance of producing male and female plants. For growers that are experienced on a comfortable level of confidence to breed their own strains, regular cannabis seeds is the best choice because having a mix of male and female plants is the quickest way to start cross-breeding strains. Autoflower seeds do not produce male plants or seeds, meaning they would not be able to create a new strain with the male pollen needed to pollinate the female plant.

Autoflowering seeds have a higher germination success rate

Not only are auto flower seeds resilient and can get through (most) extreme climates and weather conditions, since autoflower plants do not produce male seeds, the grower has a much higher success rate in planting female seeds to move on to the flowering stage. When working with autoflowering seeds, growers never have to worry or think twice if they mistook a male seed for a female seed (it is a common mistake with regular cannabis seeds).

Autoflowering cannabis seed vs feminized cannabis seeds

Sometimes, there are many different ways of maximizing yield or encouraging extra growth and this is all thanks to feminized cannabis seeds. The name is exactly what it suggests, cannabis seeds that are only female so only flowering plants will come from feminized seeds. But how is it possible to only produce feminized seeds and female plants when everyone knows the male is needed to successfully breed? Cannabis growers figured out a way to get female plants to produce pollen, whether by stopping ethylene chemical levels that encourages female plants to produce sacs, or completely done by Mother Nature where unfertilized cannabis plants can sometimes morphe itself to produce feminized seeds if there is a very deep desire to adapt and procreate. Feminized cannabis seeds have the ability to produce “female pollen”, which is the female version of a pollen sac used to fertilize female flower plants and reproduce.

Feminized seeds can only grow female plants

Knowing how to work with feminized seeds are important because they are what produces feminized plants to continue reproduction of cannabis seeds. While feminized plants were not created with cannabis plants originally, the technique was already widely popular within the agricultural community. In earlier times, feminized seeds used to be much more expensive than regular or even autoflower seeds. Now, home growers have a wide range of options to see what works best for them and their growth space.

Feminized seeds grow similar to regular cannabis seeds

Autoflower seeds definitely hold a reputation for growing fairly quickly and in half the amount of time as regular cannabis seeds. Feminized cannabis seeds have a growth cycle similar to regular cannabis seeds, where you can take more time in caring for feminized plants in the vegetation stage than you would with any kind of auto flower seeds. Feminized seeds give growers the option of having the best of both worlds, combining the upsides of regular seeds (longer grow time to get bigger and nurture) with the convenience similar to auto flower seeds in knowing that the seeds you germinate will only produce female plants.

How to grow autoflowers?

Learning how to grow autoflower weed seeds has a much easier learning curve as compared to growing regular cannabis seeds. The information required to grow other types of seeds is something that is probably learned best in real time and actually growing a weed seed, but with autoflower seeds they are pretty straight forward and literally anyone with internet can learn how to do this. Even if you have a black thumb, learning how to grow autoflowers might convince you that not all hope is lost. Since the life cycle of an autoflower seed is pretty short, all you need to do is follow week by week to understand what you should pay attention to without overwhelming yourself with too much information.

See also  Can You Eat Weed Seeds

Week 1: Germination Stage

Whether using the paper towel method or potting method, the germination stage is the first and most important because it will determine the quality of life of the seed. It is recommended to produce a humid and dark environment during the germination phase so that it can properly sprout, or you can always pot it directly into the pot of soil to avoid transplant shock. Remember to bury the seed tipped end downwards as this is where the sprouting and seedling phase will occur. Humidity should be at least 70% and should germinate anywhere between one to three days, sometimes up to a few weeks with other types of cannabis seeds.

Week 2: Seedling Stage

After photosynthesis occurs, a seedling should emerge and it is time to continue giving light source to the autoflowering seeds. Providing additional nutrients for the seedlings without overdoing it so that it can slowly continue consuming nutrients early on. Make sure the potting soil used during this entire process contains perlite, vermiculture, peat moss, nitrogen, and other additional stuff like fungi and compost to make the soil full of plant food that the seedling would love to move in to and call home.

Week 3 – 4: Vegetation Stage

This part of the growth cycle involves watering everyday and feeding the plant with nutrients about twice a week, but it is best to feed intuitively by checking in on the plant daily to monitor its condition. You should see a decently sized plant, at least six inches of growth, and well on its way to flowering! Humidity can be reduced to about 50% and watering about half a liter per auto flower plant every day. This stage is important because it shows the plant that it chose a good home to thrive in and you are ready to help it grow and produce high quality buds.

Week 5 – 6: Flowering Stage

This is where the exciting stuff starts to happen. Increasing water in week 5 and just a bit more in week 6 will help with encouraging its growth to fully bloom. You will see sticky buds start to appear but this is just the beginning to a long few weeks of waiting for final yields. This is the part where you can start to kick back and relax, and know that your efforts are about to pay off in a few weeks!

Week 7: Check on plants, maintenance week

There is not much to do during this week, but still an important week to be part of. Similarly to preparing a mother for birth the week prior to her due date, nothing will really happen the week before but it is best to have the downtime before the chaos begins. Monitoring the cannabis plants and making sure they are free of insects, well fed and watered will make all the difference in harvest quality later on.

Week 8 – 9: Defoliate and flush of toxins

This is the time where you start to give water and only water to the plants from here on out. Flushing or flooding the plant with water will help to remove unwanted chemicals that we don’t want your plant to soak up. Defoliating means to trim the small fan leaves so that the buds can get extra sunlight and limit the risk of mold development. Remember not to flood the plant too much but do it at least once then make an assessment in the next week or two regarding the condition of the plant.

Week 10 – 12: Harvest Stage

While this is a loose estimate, some auto flowering cannabis plants can take up to 15 weeks to fully harvest and you do not want to rush this process as it directly affects the quality of the buds. No matter how long it takes, be proud of yourself for getting to this stage and know you are well on your way to enjoying your own supply! There are other tips and tricks to know about when harvesting and preparing buds to be smoke ready, but when it comes to the harvest stage in a plant cycle there is not much you can do but facilitate a healthy and happy environment for the cannabis plants to become ready to harvest.

Learning how to grow autoflower is not difficult but it is important to pay attention to the condition of each plant so they can get the best care possible. Depending on the cannabis seed strain, certain auto flower weed seeds can take up to 15 weeks and that just means they need extra time to mature and come full term. Growing auto flowers can be a great hobby to have because the ability to perpetually harvest allows home growing enthusiasts to produce their own supply and never have to step foot in a dispensary unless they want variety.

How much do autoflower seeds yield?

You’d be surprised at how much autoflowering cannabis seeds can actually yield, even if an auto flower plant is smaller in size. Generally, autoflower weed seeds will produce smaller plants that won’t grow as much flower as regular seeds can, but on average one auto flower plant can produce between one to two ounces of flower. Compared to regular cannabis seeds that can produce several ounces at a time, auto flower seeds might not yield as many buds as you dreamed of. However, because auto flower seeds have the ability to perpetually harvest, there is no reason a home grower should be running out of weed if they are continuously germinating new auto flower seeds to begin its growth cycle. Autoflower seeds only take between 8-10 weeks to fully flower and show yields, so growers don’t have much time in between growth cycles which helps most growers to stay on track in keeping bud production at an all-time high. There are some autoflowering cannabis seeds that claim to have the highest yield for autoflower strains, and while this can be true, most of auto flower seed success comes from prepping its surrounding conditions properly for optimal growth. The number one reason for an auto flower seed to produce low yields is the amount of stress it has been exposed to. Similar to humans, auto flower seeds don’t like to experience high stress situations like being repotted several times. Auto flower seeds will experience stress during transplant shock, so it is best to grow auto flower seeds straight from the container so that the seeds feel comfortable in growing properly. Avoiding other training methods like topping or SCROG techniques will help an autoflower seed to produce higher yields, and this is because autoflowers have such a short life span it only makes sense to leave it and do its thing without attempting to stunt its growth.

How much light do autoflowering seeds need?

Autoflowering cannabis seeds love the sunlight!While auto flower seeds can grow even in the toughest conditions with very light sunlight, autoflower weed seeds do love direct sunlight whenever possible. Depending on the strain growing, most growers will research accordingly to see the range of daylight hours their autoflower seeds should be exposed to. Best case scenario, auto flower seeds can get up to 18-24 hours of light a day if it is lucky! The four most common light schedules are as follows, so if a full 24 hours of light is not possible then try one of these to keep your autoflower plant on track. Growers follow a daylight/darkness ratio, like 24/0, 20/4, 18/6, and 12/12. While regular cannabis seeds and feminized cannabis seeds are considered photoperiod seeds and absolutely rely on their light cycles, autoflower seeds can have much more leniency with its light schedules and accommodate to its surrounding environment. Autoflower seeds have the incredible ability to flourish even without much sunlight, so other factors like overwatering or other high stress contributors would be the reason for its demise over its light cycle. Since auto flower seeds do not so much rely on sunlight this makes it easier for home growers to create their auto flower weed seed space pretty much anywhere!

What soil should I use for autoflowering seeds?

Plants can be pretty needy but when you start to speak its language and understand what each seed needs, you’d be pleasantly surprised at how quickly any kind of seed can grow. Autoflowering seeds, like any other type of seed, have specific soil mixture ratios that will help the seeds to be its best and grow in its most prime condition. Depending on the growth space and environment, pH levels, fertilizers, etc. there are a lot of factors that go into knowing what is the best kind of soil for autoflower seeds. Using soil that is most helpful to autoflower seeds can actually increase yields exponentially as this sets up each seed for success with the best nutrients possible.

Organic soil is always an excellent way to feed your plant, but using additives to organic soil will only help with a plant’s success. Now, the trick is to know what kind of additives to throw in with organic soil, as different nutrients assist with full growth and maturing terpene profiles. The best ratios for autoflowering cannabis soil is to try the following: equal parts of peat moss/coco peat/coir, perlite, and compost. This might all sound extremely confusing but there are good reasons as to why organic soil must be upgraded with these extras. There are pros and cons using any type of additives in soil, and depending on the type of autoflower seed you’re growing it will make a big difference in results. For instance, coco fiber is pretty cheap and easy to use and its sole purpose is to hold water better for the plant while increasing aeration. However, to find a high quality coco fiber can be difficult. Coco peat is made from the husks of coconuts and coco coir is made from the fibers, and both help plants retain water. Perlite also increases aeration and helps to keep the plant’s pH balance, which will help increase soil fertility.

What is the optimal temperature and humidity to grow autoflowers?

Cannabis plants go through different stages during the growth cycle, from germination, to seedling, to vegetative to flowering. At these points in its growth cycle, it is important to have optimal humidity and temperatures to put the autoflower plant in the best environment possible. After the germination phase and into the seedling stage, an autoflower seed has not established a root system which helps the plant to absorb water. This creates a huge need for high humidity so that the plant can absorb water through its own leaves. Holding humidity temperatures between 60% and 70% during the seedling stage, then slowly decreasing humidity levels by 5% each week when going into the vegetation phase. As the auto flower seeds move later into their growth cycle, humidity levels will be casually lower but still staying well above 40% up until the flowering period. During the flowering period, humidity levels will need to be lowered significantly and reduced to less than 50% humidity. At the end of its growth cycle, humidity levels should be around 30% to 40% to fully maximize yield potential. Autoflowers can also grow in less than ideal environments that lack a lot of humidity or there is none in the winter, and so on. Autoflowering cannabis seeds are highly adaptable and while these cannabis seeds appreciate light and humidity, it will still be able to grow without it.

What kind of nutrients do autoflowers require?

If you have some kind of planting experience, there are always recommendations when it comes to NPK ratios, or nitrogen (N), phosphorus (P), and potassium (K). This usually occurs during the vegetative stage, as there is naturally the right amount of nutrients (especially Nitrogen) if you are planting with premium soil. Depending on the strain, it is important to know what ratios to give your plant baby so that it can grow in the way it was intended to. Autoflowering seeds make it much easier on home growers in the sense that their growth cycle is so short that they don’t necessarily need as much tending to as other types of seeds. It is best to add the right amount of nutrients when first planting the seeds so that it can grow correctly right from the start, and for auto flower seeds any kind of premium soil should have the proper NPK ratios it needs for a successful growth.

Depending on the type of autoflowering cannabis seeds you’re working with, you can research specifically what additional nutrients the seeds might require or respond to, but if you are a lazy plant parent or just trying this out for the first time as a trial and error experiment, give any kind of premium soil that your local shop recommends and if you’re feeling chatty you can always ask them if they know about growing autoflowering cannabis seeds so they can give you tips and tricks specifically for the region you reside.

What kind of water is necessary for autoflowers?

Water is something most people don’t think about as we have all kinds of water sources available at our disposal. But when you are trying to grow autoflower weed seeds, it does make a difference to pay attention to the type of water the auto flower seeds will consume. The three most important factors in the entire home growing journey of any plant is water, light, and air. If using contaminated water, of course the plant or individual consuming that water will be affected with whatever contaminants are present. It is best to always make sure that a clean water source is used and you can even step it up a few levels by using distilled water for auto flower seeds to thrive. Especially since autoflower weed seeds have such a short life cycle, feeding autoflower plants distilled water will assist with nutrient absorption and gives you much more control over the plant’s nutrition. Distilled water also helps in reducing any chance of bacteria appearing from water sources that you might not even know has contaminants. Depending on where you live, some tap water sources have an improper pH balance and are full of unwanted heavy metals and minerals (or lack of) that distilled water can take care of seamlessly. Autoflower plants are pretty easy to water since they are small and manageable, so using distilled water jugs might work a lot easier than using the hose with running tap water.

What is the way to germinate autoflower seeds?

There are a few ways to germinate autoflowering cannabis seeds, but sometimes you just need to simplify a process that does not need to be complicated. Although there are several methods to germinating a seed, there are certain methods that might prove to work better than others, and if you are interested in experimenting those different methods it might be fun to try two methods at the same time with separate seeds from the same batch of seeds so you know the seed quality is the same. The first easy method is the wet paper towel method, and the second is planting directly into the soil. Both are easy and do not require additional germination kids or other setups that can add up in cost.

The paper towel method involves wetting two paper towels so that they are damp but not soaking wet. The point of this method is to create a humid environment for the seeds to sense it is time to germinate and sprout, but it will not work well if the seeds drown out before they get a chance at life. Placing one damp towel into a container, place the auto flower seeds on the towel about an inch or two apart depending on how large the container is and how many seeds there are to germinate. Place the second damp towel on top of the seeds so that the damp towels are sandwiching the seeds. Cover the container loosely and place in a cool and dark space, and in just a few days to a couple of weeks the autoflower weed seeds should start to sprout and show signs of success that it is ready to transplant and start its seedling journey!

Another method is to plant directly into the growing medium or pot of soil the seeds will grow in. Doing this avoids transplant shock which can easily happen to autoflower seeds and limit its chances at a successful growth cycle. There are a few tips to planting an autoflowering cannabis seed correctly:

  • Plant the autoflower seed with the crown pointing upwards (tipped end down) so that the cotyledons (or leaves) come out of.
  • The more moisture and humidity an autoflower seed absorbs, the better. Without drowning the seeds, keeping it well hydrated and damp will ensure a healthy life cycle
  • Bury the autoflower seed into the soil at two centimeters deep, as burying too deep might stunt its development and not burying deep enough will cause it to develop a weak stem and stunt the plant’s growth as well.

Do not crowd a pot with too many seeds as multiple root systems do not like to share space and nutrients. The last thing you want is for your autoflower seeds to be fighting with one another for nutrients to stay alive, so having decent space with room to grow is the best way to increase the success of germination. It is important to germinate autoflower weed seeds properly because this will determine the outcome of that seed’s life cycle and ability to produce quality yields.

How long does an autoflower take?

Depending on the autoflower cannabis strain, on average it might take an autoflower between 8 to 10 weeks, sometimes up to 15 weeks to go from seed to harvest. For example, many sativa strains tend to harvest a lot quicker than indica strains, and with hybrid strains there will be a shift in growth cycle because of its plant parents. Auto flower is notoriously known for growing from seed to harvest in half the time as regular or feminized seeds, so even if there are strains that take up to 15 weeks to fully harvest, that same strain as a feminized or regular cannabis seed would take much longer. If you are looking for strains that take the least amount of time to deliver the goods, go for full sativa strains that should harvest in as little as 8 to 10 weeks. If you are fine with taking your time and not constrained by an extra month or two of the home growing process, look for a pure indica autoflowering weed seed that will most likely take longer than the average auto flower seed to fully grow. Sometimes growing autoflower seeds indoors and giving them 24 hours of light can speed up the process, so consider these factors when determining how long your specific autoflower seed might take to grow to full harvest.

Are autoflowering seeds female?

It can get quite confusing if starting out as a beginner home grower and learning the ropes between the different types of cannabis seeds. While there are major differences between autoflowering weed seeds and feminized weed seeds, it is important to understand that autoflowering seeds will always be female thus making them feminized as well. Are you still confused? Probably, but it’s understandable without the proper breakdown.

Feminized seeds will always be female and are feminized because it was made by a female plant with female pollen, thus only able to produce female plants which guarantees flowering and harvest. Feminized seeds are photoperiod seeds and require much different light cycles and additional care with a longer growth cycle than autoflowers, which is where they differ. Autoflowers relate to feminized seeds in the sense that they will only produce female plants as well since autoflowers will always go through a vegetative, flowering and harvest stage as long as they are healthy and not under stress. It is best to remember that only female cannabis plants can produce flowers, which is why most home growing enthusiasts prefer feminized or autoflower seeds over regular cannabis seeds due to the high chances of each batch containing male seeds that won’t grow.

How to grow autoflowering seeds indoors?

One of the main deciding factors when home growers are working with autoflowering weed seeds is its ability to grow successfully indoors. You don’t need an entire room to grow auto flower seeds (if you want to, that’s up to you but it’s not a requirement), so finding space in your current living area shouldn’t be something to stress over. The biggest difference between growing indoors vs outdoors are various elements that can be controlled inside, like the lighting, temperature, protection from insects and bugs, etc. The process for knowing how to grow autoflowering seeds indoors involves knowing the steps of the auto flower seeds life cycle and letting them do its thing. The life cycle of a cannabis seed is:

  • Week 1: Germination phase
  • Week 2: Seedling phase
  • Week 3 – 4: Vegetation phase
  • Week 5 – 6: Flowering phase
  • Week 7: Maintain plant environment, monitor nutrient levels
  • Week 8 – 9: Defoliate and flush with water to clear out any chemicals
  • Week 10 – 12: Harvest phase!

If you are a beginner home grower, this might seem daunting to you but with more research and a few tutorial videos you will be well on your way to becoming an expert at knowing how to grow autoflowering seeds indoors. Pay attention to week 7 to week 9, where growers must maintain a healthy environment for the plant to continue growing. Sometimes, plants need extra nutrients or additional care so this part of the life cycle is essential in determining the quality of plant yield.

Defoliating and flushing is another important part in preparing the plant for harvest because this is the point in time that home growers stop giving the plant anything else but water. Flushing the water by flooding it with water with literally flushing extra chemicals that the plant should not soak up, and helping to prepare itself for a full bloom without any type of chemicals fighting to contaminate that. Defoliating an auto flower plant helps it to absorb more light and encourage continuous growth so that it can move through to the next phase of harvesting.

How to grow autoflowering seeds outdoors?

Are you trying to take a stab at growing autoflowering seeds outdoors? It is not much more difficult than growing autoflower seeds indoors, but there are certain factors you must be aware of that a typical indoor home grower would not need to pay attention to. Autoflower weed seeds actually prefer direct sunlight, so although growing indoors has its perks in customizing the lighting, there is nothing like some organic vitamin D. The same life cycle applies for growing auto flower seeds outdoors, but consider the following tips so that you can create the best growing environment for your cannabis plant babies outside.

If you are growing autoflowering seeds outdoors, the most ideal time of the year is from mid-summer to late-summer, as this is the prime time growing season and you know there should be plenty of natural light. Making sure the pot(s) that each autoflower seed will grow in has the proper drainage holes at the bottom to help with airflow. Again, it is best to plant once and not transplant an autoflowering seed as it has a good chance of not surviving a second transplant and so on.

Auto flower seeds should take in about 8 hours of sunlight per day, although they can get up to 24 hours of sunlight if you are lucky enough to live somewhere that experiences those long summer days. If exposing auto flower weed seeds to direct sunlight and a lot of it, please be sure to water consistently everyday, without overdoing it and drowning out the plant. The most important time to make sure water levels are sufficient is during the first week of planting, then afterwards it is pretty much all about maintenance. While auto flower seeds might take slightly longer to harvest when growing outdoors, it is nothing to be concerned over and definitely won’t take as long as most photoperiod strains.

When do you harvest autoflowering cannabis plants?

Any time between 8 weeks and 15 weeks is the amount of time it can take for an autoflowering cannabis plant to fully harvest. Depending on the cannabis strain and how well it has been treated throughout its growth cycle, home growers can expect to start the harvest stage in as little as two months from germination. Defoliating is a sign that the harvest stage is about to begin, when you see leaves that should be cut down and removed for extra sunlight to be absorbed. But the harvesting stage doesn’t mean that you can grind some up and roll into a joint right then and there, so paying attention to certain aspects of the flower growth will be a telling sign of when to begin the harvest stage.

Looking at the flowers’ trichomes will give home growers an indication on how ready the flowers really are. When trichomes are cloudy, it means that the trichomes are at full maturity and ready for harvest. If clear trichomes are present, trichomes are still maturing and the harvest stage should be delayed until the trichomes become more cloudy. Trichomes are what delivers the potency of cannabis and flavor profiles within a cannabis strain, and the more mature trichomes become the more potent an auto flower plant will be compared to a pre-mature trichome filled flower.

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