Top 10 Autoflowering Strains To Grow Outdoors

In this article you will discover the top 10 autoflowering strains to grow outdoors in 2020, helping you on your way to growing some incredible outdoor flowers.
06 August 2020
18 min read
Top 10 Autoflowering Strains To Grow Outdoors
Orange Sherbet Auto
Orange Sherbet Auto
Super Sour, Orange Flavored Terp Monster
Buy seeds from 13,00 €
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1 fem
13,00 €
2 fem
24,00 €
3 fem
36,00 €
5 fem
55,00 €
10 fem
99,00 €
25 fem
215,00 €
50 fem
365,00 €
100 fem
590,00 €
500 fem
1 950,00 €
1000 fem
3 400,00 €
Pack
3 fem
Add to Cart
36,00 €
Gelato Auto
Gelato Auto
Our most powerful strain yet. 26% THC lab reports, and distinct Ice cream flavours. 
Buy seeds from 13,00 €
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1 fem
13,00 €
2 fem
24,00 €
3 fem
36,00 €
5 fem
55,00 €
10 fem
99,00 €
25 fem
215,00 €
50 fem
365,00 €
100 fem
590,00 €
500 fem
1 950,00 €
1000 fem
3 400,00 €
Pack
3 fem
Add to Cart
36,00 €
Wedding Cheesecake Auto
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1 fem
13,00 €
2 fem
24,00 €
3 fem
36,00 €
5 fem
55,00 €
10 fem
99,00 €
25 fem
215,00 €
50 fem
365,00 €
100 fem
590,00 €
500 fem
1 950,00 €
1000 fem
3 400,00 €
Pack
3 fem
Add to Cart
36,00 €
Gorilla Glue Auto
Gorilla Glue Auto
A platinum strain, with more than a million sold all over the world!
Buy seeds from 13,00 €
Jump to details
1 fem
13,00 €
2 fem
24,00 €
3 fem
36,00 €
5 fem
55,00 €
10 fem
99,00 €
25 fem
215,00 €
50 fem
365,00 €
100 fem
590,00 €
500 fem
1 950,00 €
1000 fem
3 400,00 €
Pack
3 fem
Add to Cart
36,00 €
OG Kush Auto
OG Kush Auto
Next level potency and delicious Kush flavor
Buy seeds from 9,00 €
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1 fem
9,00 €
2 fem
16,00 €
3 fem
24,00 €
5 fem
40,00 €
10 fem
70,00 €
25 fem
150,00 €
50 fem
250,00 €
100 fem
420,00 €
500 fem
1 450,00 €
1000 fem
2 400,00 €
Pack
3 fem
Add to Cart
24,00 €
Purple Lemonade
Purple Lemonade
The best purple strain we’ve ever created
Buy seeds from 13,00 €
Jump to details
1 fem
13,00 €
2 fem
24,00 €
3 fem
36,00 €
5 fem
55,00 €
10 fem
99,00 €
25 fem
215,00 €
50 fem
365,00 €
100 fem
590,00 €
500 fem
1 950,00 €
1000 fem
3 400,00 €
Pack
3 fem
Add to Cart
36,00 €
Amnesia Haze Auto
Amnesia Haze Auto
The world’s favorite Haze…
Buy seeds from 9,00 €
Jump to details
1 fem
9,00 €
2 fem
16,00 €
3 fem
24,00 €
5 fem
40,00 €
10 fem
70,00 €
25 fem
150,00 €
50 fem
250,00 €
100 fem
420,00 €
500 fem
1 450,00 €
1000 fem
2 400,00 €
Pack
3 fem
Add to Cart
24,00 €
Jack Herer Auto
Jack Herer Auto
Big yields, Amazing flavors and high potency in memory of a legend!
Buy seeds from 9,00 €
Jump to details
1 fem
9,00 €
2 fem
16,00 €
3 fem
24,00 €
5 fem
40,00 €
10 fem
70,00 €
25 fem
150,00 €
50 fem
250,00 €
100 fem
420,00 €
500 fem
1 450,00 €
1000 fem
2 400,00 €
Pack
3 fem
Add to Cart
24,00 €
Zkittlez Auto
Zkittlez Auto
The new standard for autoflower genetics
Buy seeds from 13,00 €
Jump to details
1 fem
13,00 €
2 fem
24,00 €
3 fem
36,00 €
5 fem
55,00 €
10 fem
99,00 €
25 fem
215,00 €
50 fem
365,00 €
100 fem
590,00 €
500 fem
1 950,00 €
1000 fem
3 400,00 €
Pack
3 fem
Add to Cart
36,00 €
Northern Lights Auto
Northern Lights Auto
Incredibly resilient and low maintenance indica dominant delight.
Buy seeds from 9,00 €
Jump to details
1 fem
9,00 €
2 fem
16,00 €
3 fem
24,00 €
5 fem
40,00 €
10 fem
70,00 €
25 fem
150,00 €
50 fem
250,00 €
100 fem
420,00 €
500 fem
1 450,00 €
1000 fem
2 400,00 €
Pack
3 fem
Add to Cart
24,00 €
Show more strains (5)

One of the best traits about autoflowering Cannabis, is how these tough resilient plants can adapt to all climates allowing a grower to harvest top grade buds all year round.

Growing autoflowering strains outdoors can be tricky due to weather conditions or not-so-good genetics. To avoid a bad experience you need to choose resilient and high yielding autoflowering strains. This will allow you to successfully harvest all year long without too much worry even in cold or hot climates.

Below are our top ten strains you should consider growing in 2020, so you can keep those curing jars full to the brim.

1. Growing Autoflowers Outdoors

Autoflowering strains have a mix of different cannabis species including Ruderalis, this makes them extremely resilient for growing outdoors, being able to withstand not only hotter and colder climates but also bugs and mold.

These characteristics along with the autoflowering trait make it possible for growers to cultivate autos outdoors and harvest all year long without having to worry about the amount of light they get, although the yields may vary if your plant gets more (or less) sun, you will be pleased with the results.

The amount of light you get in each season may vary depending on where you live, but you can use this table as a general guideline:

 

DurationDec 1-Feb 28Mar 1-May 31Jun 1-Aug 31Sep 4-Nov 30
SeasonSummerFallWinterSpring
Average Hours of Light10hrs12hrs14hrs11hrs

Approximate hour of sunlight per season in the northern hemisphere1.
 

You don't actually need to make a table, you can obviously check on the internet or download an app to have an idea of the expected weather throughout your growing cycle, this makes it possible to plan ahead and prepare for eventual storms or other things.

For example, if you're expecting rain or strong windstorms you can improvise a homemade greenhouse to protect your plants.

2. Orange Sherbet Auto

Big yields and even bigger flavors come to mind when talking about Orange Sherbet Auto.

Orange Sherbet Auto
Orange Sherbet Auto
Genes
Mostly Sativa
Genetics
Orange Sherbet Auto
Flowering
9-10 weeks
Harvest
500-650gr/m2
Height
110-150cm
THC
up to 24%
CBD
Very low
Autoflowering
Yes
Buy seeds from 13,00 €
 

An extremely potent citrusy beast and one of our taller hybrids, making it perfect for commercial growers and hash makers, due to its impressive trichome production.

 

Orange Sherbet Auto by our grower Hawkbo from GrowDiaries.
 

This Sativa-dominant strain can grow up to 150cm in all types of climates, especially warmer ones while yielding up to 650gr/m2 of extremely delicious resinous buds with dense large-sized calyxes that will leave a strong fruit smoothie flavor in your mouth.

You'll be rewarded with flowers that test as high as 24% THC which delivers an uplifting, exhilarating, energizing, and creative effect in around 9-10 weeks.

 

Orange Sherbet Auto by our grower Hawkbo.
 

The high THC levels come hand-in-hand with a delicious combination of orange, tangy, and sweet terps that end up tasting as fresh orange juice.

Grow Tips

  • An extremely resinous cultivar that produces a great amount of sugar trim for making hash and extracts. 
  • She reacts very well to plant training such as low stress technique and pruning
  • Better suited for growers with unlimited growing space outdoors, as she has a tendency to grow tall.

3. Gelato Auto

The ultimate Cali strain when it comes to potency and flavor.

Gelato Auto
Gelato Auto
Genes
Sativa 55% / Indica 45%
Genetics
Gelato Auto
Flowering
9 weeks
Harvest
XL
Height
70-100cm
THC
Very High - up to 26%
CBD
Low
Autoflowering
Yes
Buy seeds from 13,00 €
 

This medium-tall Indica-dominant hybrid performs superbly well in all types of climates where it produces vibrant green buds golden orange stigmas and delivers massive yields in 63 days, making it perfect for everyone that wants to harvest top-shelf flowers really fast.

 

Gelato Auto from our grower Hawkbo.
 

You will experience sweet cookie flavors with zesty citrus hints which offer giggly, upbeat, and a couch-lock effect if smoked too much. 

Grow Tips

  • Due to her compact growth structure, it is a good idea to defoliate some of the fan leaves that may block the lower parts of the plant early on.
  • Be sure to have a good carbon filter when drying this strain out, as the aroma is very loud.
  • Another fabulous producer of high-grade sugar leaf that makes top-shelf hash and extracts.  

4. Wedding CheeseCake Auto 

Wedding CheeseCake Auto is a very well-balanced hybrid. This strain has an earthy, cookie dough terpene profile with hints of a fruit baked tart.

Wedding Cheesecake Auto
Wedding Cheesecake Auto
Genes
Indica / Sativa
Genetics
W. Cheesecake
Flowering
8-9 weeks
Harvest
450-600gr/m2
Height
90-130cm
THC
up to 24%
CBD
Very low
Autoflowering
Yes
Buy seeds from 13,00 €
 

A very fast flowering hybrid that only takes 8-9 weeks from seed to harvest, she is an excellent choice for commercial growers, and those looking to achieve multiple harvests throughout the year.

 

Wedding CheeseCake Auto from our grower Hawkbo.
 

Despite only taking 63 days to completely mature, you can expect big yields of chunky buds that flaunt lime green hues with a touch of magenta and pinks, yielding up to 600gr/m2.

Thanks to the characteristics inherited from its parents, Wedding CheeseCake Auto can grow up to 130cm and perform extremely well in all types of climates.

 

Wedding CheeseCake Auto from our grower Hawkbo.
 

When smoking it, you will experience a combination of sweet, earthy and fruity tastes that taste like a baked tart or a creamy cheesecake, this strain offers extremely bold flavors that will leave your mouth watering after every puff.

 

Wedding CheeseCake Auto from our grower Hawkbo.
 

This beautiful cultivar produces silver-coated buds that sparkle from afar and can have up to 22% THC, which offers a more cerebral effect that turns into a deeply relaxing high that is better suited for smokers with a higher tolerance.

Grow Tips

  • We recommend this cultivar for growers who experience short summers and need a fast flowering, tough strain. 
  • Hash makers and extractors will be able to make incredible products with Wedding CheeseCake Auto
  • Growers in a hot climate can harvest this strain every 2 months with excellent results.

5. Gorilla Glue Auto

Gorilla Glue Auto has unbelievably sticky buds and a THC level of 24%, making her a hash makers dream. A very large-sized plant that is capable of enormous yields in 9-10 weeks with a very unique pine, citrus, diesel taste.

Gorilla Glue Auto
Gorilla Glue Auto
Genes
Sativa/Indica
Genetics
Gorilla Glue autoflowering
Flowering
9-10 weeks
Harvest
XL
Height
60-100cm
THC
24%
CBD
Low
Autoflowering
Yes
Buy seeds from 13,00 €
 

Well recommended for outdoor growers who cultivate in a terrace or balcony as she can stay as low as 60-100cm.

 

Gorilla Glue Auto from our grower TheWeedMan.
 

The buds are dark green with fat pointy calyxes that develop extremely chunky, dense, and completely covered in resin, and despite her short stature, you can expect up to 600gr/m2 with this strain.

 

Gorilla Glue Auto from our grower BlackVeined.
 

Her taste is as potent the effects she delivers, after the first puff, you will experience a very refined and unique piney and citrusy taste with subtle diesel undertones that will leave you glued to your sofa.

Grow Tips

  • Adding support to the side branches will help the plant focus on growing dense buds.
  • Highly resistant to colder climates and powdery mildew. 
  • This cultivar reacts very well to being tied down during the early stages.

6. Original Auto OG Kush

The most powerful strain from Fast Buds Originals.

OG Kush Auto
OG Kush Auto
Genes
Mostly Indica
Genetics
Og Kush Autoflowering
Flowering
9 weeks
Harvest
450-550gr/m2
Height
70-110 cm
THC
Up to 23%
CBD
Very Low
Autoflowering
Yes
Buy seeds from 9,00 €
 

An easy to grow Indica-dominant hybrid that grows with a medium stature and produces thick, dense buds that pack 23% THC.

Our most potent autoflowering strain that can be harvested after 9 weeks, making her an ideal choice for growers who experience short summers and cold winters.

 

Original Auto OG Kush from our grower Fish88.
 

Our version of this classic can yield up to 550gr/m2 and her easy to grow nature makes it perfect for beginner growers who want to experience good-quality buds with very little maintenance.

 

Original Auto OG Kush.
 

Her terpene profile is a combination of pine, citrus with dank overtones that made Original Auto OG Kush such a favorite for flavor chasers.

It's a fast flowering and large yielding strain that has the power to keep you in dreamland, with an extremely potent high that will leave you heavy-bodied and is extremely long-lasting.

This is a perfect strain for medical patients that are looking for a pain-relieving strain that will put you in a cannabis coma.

Grow Tips

  • This strain can thrive during cold nights and will have high resilience to mold and powdery mildew.
  • She enjoys large amounts of nutrients and can take a higher E.C than most autos.
  • Be careful when flowering Original Auto OG Kush outdoors, as her aroma is very loud and pungent.

7. Purple Lemonade

Our best purple Indica-dominant genetic, resulting from a cross between purple and citrusy Cali genetics.

Purple Lemonade
Purple Lemonade
Genes
70% Indica / 30% Sativa
Genetics
Purple Lemonade
Flowering
9-10 weeks
Harvest
XL
Height
70-110cm
THC
Up to 22%
CBD
Low
Autoflowering
Yes
Buy seeds from 13,00 €
 

A truly beautiful purple cultivar with a delicious terpene mixture of citrus and fruity flavors, this hybrid delivers huge yields in 10 weeks.

 

Purple Lemonade from our grower BigDaddyK.
 

With 22% THC level this variety offers an uplifting effect that will leave you giggling and progressively turns into an extreme body relaxation, it is an ideal choice for relaxing at night or even during the day.

It is fast flowering and very easy to grow, perfect for beginner growers as she is low maintenance and can be grown without nutrients, yet will reward you with yields of up to 500gr/m2.

 

Purple Lemonade from our grower Hawkbo.
 

This strain will leave your mouth watering, you will fall in love with the mix of sweet, sour and citrus terps that offer an uplifting and euphoric high at first, then degrading in a more physical one.

Grow Tips

  • This girl grows with long inter-nodal distance so it is a perfect choice for low stress training techniques. 
  • Nutrients are not essential for her well-being but with good quality nutrients and proper usage, it will reinforce her even more. 
  • This strain is strong and will grow vigorously, doing well both indoors and outdoors.

8. Original Auto Amnesia Haze

The world’s favorite Haze is now in autoflowering form.

Amnesia Haze Auto
Amnesia Haze Auto
Genes
Mostly Sativa
Genetics
Amnesia Haze Autoflowering
Flowering
10 weeks
Harvest
400-650gr/m2
Height
90-150cm
THC
Up to 22%
CBD
Very Low
Autoflowering
Yes
Buy seeds from 9,00 €
 

Original Auto Amnesia Haze is one of the taller strains we offer, she grows as tall as 150cm, expressing her Sativa heritage. 

The large size comes with huge yields, you can expect to harvest up to 650gr/m2 in all types of weather, although in tropical climates is where you will ultimately get amazing results. 

 

Original Auto Amnesia Haze from our growers ElChicoDelaWeed.
 

You can expect extremely thick and condensed flowers that are completely capped in resin, with bright orange hairs.

Due to the extremely fat buds, we recommend providing support to the branches so your plant can withstand the weight of the buds and 

 

Original Auto Amnesia Haze by our grower Satori_Hanso.
 

The 22% THC will keep you energized, creative mindset for hours and you will feel the effect transforming into a relaxed state as time passes while the chunky buds that reek of floral, citrus, orange, and tangerine terpenes will leave you wanting more and more. 

Grow Tips

  • Tying plants down and using the L.S.T technique will increase yields further, as well as additional support.
  • Using bamboo canes or a screen net to help support the heavy yielding side branches will prevent buds from dropping to the floor under the excess weight.
  • Thanks to her aggressively fast and large-sized structure, we recommend this strain to growers with previous experience with Sativa cultivars. 

9. Original Auto Jack Herer

The multiple award-winning strain.

Jack Herer Auto
Jack Herer Auto
Genes
Mostly Sativa
Genetics
Jack Herer Autoflowering
Flowering
9 weeks
Harvest
400-500gr/m2
Height
70-90 cm
THC
Up to 21%
CBD
Very Low
Autoflowering
Yes
Buy seeds from 9,00 €
 

A very short, fast flowering Sativa dominant hybrid that is excellent for keeping discreet when growing outdoors and despite her height, she has a very impressive yield and thanks to her 9-week flowering time, commercial growers will find this strain to be a great choice. 

 

Original Auto Jack Herer from our grower ElChicoDelaWeed.
 

Her buds are long, thick, and completely drenched in frost, with fat calyxes stacking up in the traditional Sativa fashion and up to 21% THC.

After smoking this cultivar you will experience a very balanced effect, a very focused and alert mindset that leaves you relaxed and clearheaded, perfect for beginner smokers.

 

Original Auto Jack Herer from our grower ElChicoDelaWeed.
 

Jack Herer Auto provides a complete combination of terpenes with a very savory and sweet taste, a complex combination of sweet, peppery, fruity, and spicy tastes that expresses the complete spectrum of floral and fruity flavors.

Grow Tips

  • Growing this strain in a Sea of Green works very well and allows you to maximize the growing space.
  • An excellent choice for growers who live in colder climates, thanks to her resistance to pathogens and mold.
  • Hash makers and extractors will find this cultivar to be highly rewarding.

10. Zkittlez Auto

One of our most popular strains, with top-notch stability.

Zkittlez Auto
Zkittlez Auto
Genes
Mostly Indica
Genetics
Zkittlez Autoflowering
Flowering
9-10 weeks
Harvest
XXL
Height
70-100 cm
THC
23%
CBD
Very Low
Autoflowering
Yes
Buy seeds from 13,00 €
 

This hybrid will fill the room with its overpowering aroma and fill your tent with several side branches covered in extremely fat buds.

You can expect this cultivar to grow up to 100cm and yield a lot, thanks to her Indica and Sativa heritage, you'll see the main cola and all the branches develop bushy foliage while being completely covered in extremely frosty and dense buds.

 

Zkittles Auto by our grower Hawkbo.
 

Her terpenes profile is a mix of tropical fruits and ripe berries with candy overtones and it will make you feel like your sipping on a fruit cocktail after every puff, while leaving you buzzed, upbeat, giggly, and in a happy state of mind, a perfect effect for social scenarios.

Grow Tips

  • A tough and resilient hybrid that will perform very well in all weather. 
  • Use a screen or net to support the huge buds when flowering begins. 
  • Feed only water for the final two weeks to ensure the ultimate Zkittlez Auto taste.

11. Original Auto Northern Lights

Knock out potency and big yields in an easy-to-grow autoflowering cultivar.

Northern Lights Auto
Northern Lights Auto
Genes
Mostly Indica
Genetics
Northern Light Autoflowering
Flowering
9 weeks
Harvest
500-600gr/m2
Height
90-120 cm
THC
Up to 20%
CBD
Low
Autoflowering
Yes
Buy seeds from 9,00 €
 

Original Auto Northern Lights is an old school Indica-dominant gem that grows up to 120cm and will produce dense, golf ball-sized nugs in only 63 days.

 

Original Auto Northern Lights from our grower PharmaZ.
 

This old-school classic will display her Indica dominance by growing short internodal spacing and growing to a medium height while being able to produce up to 600gr/m2.

Original Auto Northern Lights is ideal for beginners, she can withstand cold and wet climates and doesn't need much maintenance to produce top-shelf buds.

 

Original Auto Northern Lights from our grower PharmaZ from GrowDiaries
 

This hard-bodied Indica provides an extremely relaxing and potent couch-lock effect that will make your face feel like it's melting, perfect after a long day of work.

The potent high comes with bold mouth-watering terpenes with an overall spicy and peppery flavor with mild fruity undertones.

 

Video of Northern Lights Auto grown by our grower BigDaddyK.
 

In this video, you can see the multiple branches this strain develops, which are filled with frosty dense buds thanks to its Indica heritage.

Grow Tips

  • An excellent strain for Sea of Green setups, due to her uniform growth structure.
  • Well recommended for growers who live in colder, rainy climates.
  • Highly resistant to insects, pathogens, and mold.

12. In Conclusion

There are a lot of autoflowering varieties that can be grown extremely well outdoors, autos are super resilient to in cold, hot climates and bugs and mold, the strains mentioned above are our top 10 that will surely leave you pleased and amazed at the quality and amount of buds.

If you grow your autos outdoor and have grown one of our auto strains before, please leave a comment below!


This post was most recently updated on August 6th, 2020.


External References:

1. GML - Earth System Research Laboratories - https://www.esrl.noaa.gov/gmd/grad/solcalc/