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What is autoflowering cannabis?

beautiful autoflowering cannabis plant

Autoflowering cannabis is the third and smallest specie of the cannabis genus, which includes cannabis Sativa and cannabis Indica, this third specie is also called cannabis ruderalis / autoflower / auto cannabis / automatic cannabis.

So what does that autoflowering characteristic mean ? It means that this variety of cannabis will automatically flower under almost any light, and because of that these plants don’t need the 12/12 light cycle to start producing flowers and they can grow under 24 hours of light from seed to harvest.

The Ruderalis plant is probably a wild variety of the cannabis Sativa and it is a small bushy plant that has adapted to automatically flower and it reaches full maturity anywhere from 8 to 11 weeks in harsh climates and almost any growing conditions. The first autoflowering plants were found in the former Soviet Union and they were some leftover hemp plants that had adapted to the harsh region. Now we can see ruderalis plants all over the world and these strong plants are well adapted to the diseases and insects that surround them and they do everything to flower as soon as possible and produce flowers and seeds faster than any Sativa or Indica plant can.cannabis sativa, indica and ruderalis


Although the wild ruderalis cannabis plants contains little or non THC (tetrahydrocannabinol) breeders from all over the world have produced some amazing autoflower strains by crossbreeding these wild varieties with some of the best commercial strains. After countless failures those breeders managed to perfect that cross-breeding and now the market is flooded with new and exciting autoflowering seeds that start their flowering process after a certain time period. But the best part is that these smaller strains can be ready to harvest in 60 days from seed, stays between 50 to 100 cm and contain 20 to 30 % THC!

Automatic cannabis is becoming the next big thing in the grower’s community because it can be grown very fast and it doesn’t need the light cycle change and that eliminates the need for different growing rooms for plants that are flowering and those that are in the vegetative stage. Autoflowering cannabis seeds are perfect for beginner growers because this plant stays small and can be grown in small growing places stelthy and it is also  very strong and resilient, so beginner mistakes won’t do any damage. That is why this ruderalis plant will most likely recover from thing like Over or Underwatering , potbound roots , Temperature fluctiations , transplanting and Nutrient burns as well as other stresses and mishaps.

Why autoflowers?

ruderalis plant

The question “Why choose autoflowering seeds?” is discussed more and more as these strains expand their reach and become main stream. Now we can find almost every commercially sucessful strain cross-bred to produce autoflowering seeds to have both the small ruderalis and regular plant traits in them.

If you ask – why so many people nowadays choose autoflowers over the regular Indica and Sativa strains?

There isn’t one correct answer to this question but there are many advantages to these autoflower plants as they have some traits that regular cannabis plants just can’t match.


Fast growth and short life cycle

The first thing why people choose auto seeds over the regular ones is their short life cycle. Fastest autoflower plants can grow from seed to full maturity in under 60 days and that gives limitless possibilities to indoor and outdoor growers.

For example – if someone plants a regular seeds and some autoflowering seeds side by side, then he can see that these small bushy plants are ready to harvest long before the regular strains start to produce flowers and that makes autoflowers less likely to be damaged by critters, bugs, diseases and even inexperienced growers and harsh weather conditions.

Indoors the short turnaround of autoflowering cannabis plants can be properly exploited to have some continuous harvest setups or even “Sea of Green”.

lowryder plant

Small size

Outdoors these dwarf plants are harder to see because of their small size and that makes them more stealth and less likely to be found by other growers, law officials, tourists or ripper gangs so they are perfect plants for stealth guerrilla grows.

Indoors small plants can have a big advantage to growers who have limited space for growing or growers who want to produce their bud stealthy. These short autoflowering seeds will produce plants that can be grown in almost any space and an empty closet or refrigerator will do just fine. But small plant growing doesn’t stop there and some growers are even growing these cannabis plants in their PC-cases and ice-boxes and this is called micro growing. Even if these cannabis micro growers don’t get much yield they are still growing cannabis and without autoflower seeds this just would not be possible.


Advantages of autoflower plants

The advantage that characterizes all ruderalis plants is that they can automatically flower under almost any light cycle. This privilege means that indoor growers don’t need separate grow-rooms for plants that are in vegetative stage and those who are flowering. Commercial growers can even put some autoflower plants in their vegging room and get some fine bud before harvesting those regular strains.

Outdoors autoflowering seeds give growers multiple harvests every season and it also allows cannabis to be grown in climates where regular strains wouldn’t be able to mature in time.

autoflower marijuana

Autoflower Breeding, seed production

Auto plants are easier to breed and produce seeds because they are small and their life cycle is short.By breeding autoflowers you can get about 250 seeds from a plant that is just 7 inches (17.78 cm) tall and you can get them in under two months.

Breeding autoflowering strains can be done much faster than with regular strains, because where the regular strain takes 5 to 6 months from seed to harvest, at the same time period you can grow two autoflower crops from start to finish and therefore make more stable hybrids faster.

As you can see autoflowers are amazing in that they give us, growers, a completely new perspective and advantages on cannabis growing. As the laws change and more and more people start to see the potential of this amazing plant then their first growing experiences will have to be small and those plants will have to be strong. And these autoflowers are just perfect for those situations!

So please look trough the website and get the best information on autofowers and if you have any questions do not hesitate and leave a comment! But if you do not know where to start you can check out the Complete Autoflower GROW GUIDE!

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24 Responses to “What is autoflowering cannabis?”

  1. Machine says:

    I suggest Admin can set up a forum, so that we can talk and communicate.

  2. Marina says:

    You have really interesting blog, keep up posting such informative posts!

  3. gokkast says:

    Awesome blog, it’s just like a game for me! It’s so infomative and usefull, thanks a lot! If you post more of this great stuff, I’ll visit your blog again!

  4. Charlie says:

    Great info on this site, gratz and keep it up!!
    Any chance you will be writing an article about pruning/trimming autoflowering plant leaves? I’m not sure if it’s good, and if it is, when, how, where, why :)

  5. Alma Walin says:

    It’s some sort of shame you don’t employ a donate button! I’d most certainly donate to this brilliant site! When i suppose for now i’ll are satisfied with bookmarking in addition to adding ones Rss feed to help the The search engines bank account. When i glimpse forward to help new updates and may share that webpage having the Facebook or myspace group:

  6. callum says:

    I think cannabis should be legal. Alcohol is much more deadly than a simple plant ! if everyone smoked weed the world would have less violence, it also stop drink driving, yeahh cannabis can be deadly when driving, BUT if you’ve smoked weed for a good while then you’ll have alot more control and will be able too drive, marijuana makes you lazy most of the time, so you literally will not want to leave your house, drinking makes you violent and stupid, cannabis makes you happy and hyperactive aswell as laziness, besides no one has ever died of cannabis over dose, don’t get me wrong, dealing it should be illiegal but growing and smoking it SHOULD NOT be a crime… Thank you :)

  7. Fandango says:

    I just wanted to say thanks for the most informative” How To” site I have found on the internet and I have looked extensivley. I just wish this had been the first site not one of the last. This offers the most concise and understandable information one could hope for. Thanks Again

  8. Mr Timothy Daws says:

    to produce good seeds , has a person got to have male and female plants . and how can you distinguish between the sex’s . ? ?

  9. OBSERVER says:

    This is a great post, very informative without it being too textbook. I found myself ignoring the photos and being more interested in reading the material.(which is rare with photos of fine herb) I have gained some knowledge and found my favorite growblog for autoflower strains.THNX!! keep posting!

  10. Autorookie says:

    20% – 40% humid? R u joking???? My ones look like grim reapers after such climate.

    • midowo says:

      Yes 20 % to 40 % humidity is right on the spot, but of course there are many factors that can influence and the main thing to look at is the temperature because if the temperature goes up the same % humidity can be much higher so maybe monitor your temperature closely, or maybe your particular plant likes lower humidity.

  11. dr.greenthumb says:

    i think weed should just be decriminalized but remain illegal , just because there is a lot of crime involved in the manufacture aspect, I’m talking about the many drug cartels that make profit off of pushing it over the U.S. boards, to make weed legal might give these cartels reason than any to be more and more aggressive with trying to meet the demands of the U.S. after all most of the marry we smoke comes from cartel run farms right here on our own soil. so decriminalize YES , legalize HELL NO

  12. skittles says:

    this site is a joke. I can tell cause you have people loke dr.greenthumb welcoming himself here. autoflower network is a much better source of information with real breeders who don’t rip people off and have been growing for 25+ years

    • midowo says:

      Why are you saying such a bad thing abut this website?
      I am not scamming anybody and autoflower network is a good place for information but you cant find 6000+ word articles on growing autoflowers there.
      I am trying to help any autoflower grower by giving them my growing experience and you are the first person that is complaining about it.
      Hope you can see that this is no scam and I am providing lot of value to autoflower growers community!

      • terry208 says:

        The autoflower network is great but it doesn’t hold a candle to Autoflowering cannabis which is packed full of real info. you can use and easy for even the most advid smoker to understand.

        • midowo says:

          Tnx man, appreciate the kind words! If you have any questions don’t hesitate and ask here in the comments or send me an email !

  13. rudedog says:

    First I wanna say this is a great site.It has helped me learn the most I can learn about autoflowering plants.
    Midowo you have imformed me on so much in the last week that I have been reading this site,I was scraching my head
    trying to find out info on autos and now I have a place that tells me everything and I mean everything about autos.
    I’d like to send you a few pics of the plants I grew without the help of your great stie,And then send a few of my next grow
    with the help you have layed out for all the new guys trying to learn .So Thank You Very Much

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