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The Best Outdoor Strains for 2020

This post is all about the best cannabis strains for outdoors; it’s a selection of strains that we’ve tried and tested outdoors so that you can narrow down your search for the perfect plant without getting a random strain that might not be best for outdoor settings. Outdoor season is almost here, and it’s time to get your seeds ready! Growing cannabis outdoors is a long, tiring process at times, taking from 4 to 8 months to finish maturing depending on the chosen strain; that’s why you should always plan ahead of time and know exactly what you’re going to be growing.

We’re going to give a brief overview of some of our tried and tested favorite outdoor cannabis strains so that you don’t blindly go into growing a random strain outdoors. There are literally thousands upon thousands of different strains on the market, all of which have various different characteristics – some are resistant to excess humidity, heat, insects and many other issues, some can be harvested earlier than others, some do better with stress than others… the idea here is to pick one that has the best characteristics for a successful outdoor cannabis plant.

The Best Outdoor Strains | Indicas

Caramel 100% Feminized

The first of our favorite outdoor indicas is over 80% indica and is perfect for outdoor growing. This strain is one of our 100% fem bulk strains. It won third place in the indica category in the Farallones Cup in Cali, Colombia – Caramel 100% Feminized.

Caramel is a 90% indica strain that stands out with its high quality yields marked by an intense, pungent aroma. This strain is a great alternative for those looking to grow outdoors thanks to its early harvest; it should be ready to harvest towards the end of September, with a strong, sturdy structure and incredibly compact flowers which allow for maximum airflow regardless of how compact they are, which allows them to stay dry in humid conditions.

Barney’s Farm Peyote Cookies

This strain belongs to the well-known Barney’s Farm seed bank, which is one of the best seed banks in Europe thanks to the high quality of its strains and their genetic make-up; Barney’s farm is always trying to create incredibly high quality strains.

Peyote Cookies is an indica-dominant plant, which is almost entirely indica, and it adapts well to pretty much any environment, making it easily one of their sturdiest strains. This is thanks to its genetic make-up, which allow it to grow super strong and compact, easily capable of dealing with rain and strong winds. Its buds are similar to those of Caramel, so they can easily stay dry in humid conditions, within reason.

The Best Outdoor Strains | Sativas

Amnesia 100% Feminized

Haze strains are known for being highly resistant to humid environments thanks to its open flower structure. In this case, Amnesia 100% Fem is a great choice as a sativa strain to be grown in rainy, high humidity levels, even though it’s ready to harvest in October outdoors.

Amnesia 100% Feminized is an 80% sativa strain that has been crossed with an Afghan in order to give it a slightly faster bloom period. This plant grows into an open structure easily, growing over 2.5m without needing much care at all. Due to being a sativa-dominant strain, its structure is a bit weaker than indicas, although this allows for more flexibility; its branches should be able to easily deal with issues such as rain and wind, however we recommend training them in order to be safe. This strains’ genes allow for plenty of incredibly aromatic plants outdoors.

Gorilla Girl® by Sweet Seeds®

Ever since Sweet Seeds released this beauty a few years ago, it’s turned into one of the favorite strains of outdoor growers around the world thanks to the amazing results that it produces. The reasoning behind this is that Gorilla Girl comes from a combination between two of the best US strains of the last decade, and possibly in all of cannabis history; one of them is Gorilla Glue and the other is a Girl Scout Cookies phenotype called Thin Mint – neither of these strains need an introduction, as they are two of the most well-known strains of cannabis in the world.

If you decide to try this strain in your outdoor grow, you’ll find that it’s a sativa-dominant plant that grows quite strong, producing an open structure and strong branches that can easily deal with bad weather and the weight of its hefty buds. When grown at the start of the season and in the ground it can easily grow up to 2.5m tall, producing almost 1kg per plant. It should be ready to harvest towards the start of October, although it should be fine when it comes to humidity as it’s naturally resistant to humidity and rot. However you’ll need to take care that caterpillars don’t get near your plants’ juice buds.

The Best Outdoor Strains | Hybrids

Sensi Seeds Jack Herer

Just like Durban and Amnesia, Jack Herer is another classic strain that many consider to be one of the best strains of all times. It’s a slightly delicate plant that needs a little extra care in order to produce some of the best buds you’ve ever seen.

Jack Herer is a 50/50 hybrid strain that tends to grow more like a sativa plant; its indica side helps for strong growth and allows it to deal with issues such as dry climates or low quality substrate. This strain is great for outdoors, although you’ll need to give it a helping hand by training its branches; it does well with issues such as heat and cold, as well as rainy climates. The only inconvenience regarding this strain is its long flowering period, taking until mid-October to harvest outdoors. The wait is well worth its delicious flowers.

Critical 100% Feminized

Critical strains have become a world-wide sensation ever since they started being grown in Spain, and there’s good reason for it; these plants are complete in every sense of the world, dealing incredibly well with many issues, although it is slightly susceptible to fungi infestations due to its massive, compact buds. Compared to other strains of similar stature, this one holds up the best when it comes to stress.

Critical 100% feminized is a 50/50 hybrid strain that grows almost as strong and steady as a sativa plant, although once it begins to bloom you’ll easily notice its indica heritage. It can adapt to pretty much any environment and easily deal with arid, cold, rainy and mild climates – it’s a great choice for guerrilla growers, although its aroma can be a bit scandalous at times. This strain comes from Skunk and Afghani plants, hence its genetic sturdiness and strength.

The Best Outdoor Autoflowering Strains

Auto Gelatto 100% Fem

Autoflowering strains are a great choice for those looking to grow cannabis in practically place in the world; it may take a bit of extra care at the start to get it going, but this strain will shoot up once it really gets a hang of it. The interesting thing about this strain is its short life cycle; there’s hardly any time for insects or fungi to even think about infesting it, although under extreme conditions it may happen. Auto Gelatto 100% Fem is a great choice for any grower, alongside the rest of out Growbarato.net bulk strains.

We’ve included this particular strain in this list, as it’s known for growing incredibly compact buds with plenty of distance in between to allow for airflow and humidity dissipation. It’s resistant to drought and excess heat too, which may end up causing it to grow less but it will also produce more resin. This strain is one of the best outdoor cannabis strains thanks to the amazing results that it provides without much effort at all.

Cream Mandarine XL Auto by Sweet Seeds

Autoflowering strains that produce large yields are popular right now, and this is definitely one of the best strains of the last few years; Cream Mandarine XL Auto. This strain comes from a cross between a Cream Mandarine Auto and a select clone of Super Tai’98, which makes for a plant that is incredibly strong and can grow up to 1.5m tall, impressive for an autoflowering plant. You can harvest between 50 and 300g per plant, harvesting after a total of 65 days from start to finish.

When grown outdoors, whether in a flowerpot or in the ground, this strain is an absolute monster in both height and width – keep this in mind when spacing them out, as they may end up shading eachother. On the other hand, this extreme growth allows you to prune and train it to fit your needs and to make sure that it can deal with strong winds while also increasing the size of its buds. This strain is generally quite resistant to insect infestations and humidity-induced fungi, so it’s great for both dry and humid climates; if you’re a beginner and not sure where to start, this autoflowering strain is a great idea.

The Best Outdoor Strains | Growing Recommendations:

Hopefully, after this brief review of some of the best outdoor indica, sativa and hybrid strains, you’ll have made your mind about about what strain you want to grow this year. Keep in mind that growing cannabis outdoors requires work; none of these plants will grow successfully if simply left to their own devices from day one. We recommend regular feeding schedules, as well as organically-sourced preventive products in order to keep them insect and fungi-free; try and get products specifically for typical cannabis infestations such as spider mites, caterpillars, fusarium fungi and others.

How much do you know about best outdoor strains? Find out more from our personal experience; find out which types of strains do well in which climates.

23 EASIEST Strains to Grow Outdoors & Indoors for Beginners to Experts

The easiest cannabis strains to grow indoors and outdoors from seed. For beginners, novice growers, experts and commercial cultivators alike. Indica and sativa strains that do well in hard climates, producing respectable yields of potent marijuana.

Easiest Photoperiod Cannabis Strains to Grow from Seed

Northern Lights

Northern Lights accounts for a huge portion of genetics in hybrid cannabis strains today, along with other fundamental breeding strains Skunk #1 and Haze. Sensi Seeds’ Northern Lights is selectively bred by crossing original NL-1, NL-2, and NL-5 genetics, which were the only pure Northern Lights cultivars in existence. Northern Lights set the standard for which all other indica strains are still judged, growing to the epitome of Afghani expressions—compact, fast flowering plants filled with dense, sparkling resin-soaked buds that give powerful knockout, narcotic effects.

Flowering Time 6-7 weeks
Seed Breeder Sensi Seeds
Pack Size 3/5/10 seeds
Yield 450-500 g/m2

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Blue Dream

Blue Dream, a West Coast best selling staple, is perhaps the easiest strain to grow outdoors for beginners due to its vigorous growth, giant stature and enormous yields of potent, top-shelf quality, fruity buds. Blue Dream is a 70% sativa dominant “beaster” strain that can grow over 4 meters, ready to harvest outdoors (in the northern hemisphere) around mid-October. It stretches out big during flowering, so indoor growers may want to veg Blue Dream quickly in order to produce more easily-manageable plants. Up to 21% THC.

Flowering Time 9 weeks
Seed Breeder ILGM
Pack Size 5/10/20 seeds
Yield Indoors: 350-500 g/m2
Outdoors: 2-3 kg/plant

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Durban Poison

Durban Poison is an original South African sativa that made its way to Holland during the 1970’s. The line was subsequently crossed with local indica genetics and inbred for quality. Dutch Passion’s Durban Poison seeds grow into healthy mold resistant cannabis plants that thrive in both indoor and outdoor climates. A perfect first time grower’s choice, Durban Poison can grow over 10 feet tall and finishes by late September to early October. With its revered sativa smoke, Durban Poison hits fast and gives users an energetic, trippy, strong high.

Flowering Time 56-63 days
Seed Breeder Dutch Passion
Pack Size 1/3/5/10 seeds
Yield 400-500 g/m2

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Gorilla Glue

Gorilla Glue, named for its super sticky resin, is an award-winning marijuana strain hybrid from the US. It’s a tough variety that’s easy to grow indoors, as well as tricky outdoor climates, from hot and humid Hawaii to cold mountain areas. The plants grow fast and fill in thick with sparkling, dense buds. The strong, stinky aroma of Gorilla Glue intensifies after harvest. Highly recommended for novice growers. Very potent—up to 26% THC.

Flowering Time 8 weeks
Seed Breeder ILGM
Pack Size 5/10/20 seeds
Yield Indoors: 500 g/m2
Outdoors: 1+ kg/plant

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Pineapple Chunk

Pineapple Chunk by Barney’s Farm seeds is a tasty 3-way hybrid cannabis strain made between Pineapple, Cheese and Skunk #1 genetics. The seeds germinate quick, growing into vigorous indica dominant plants that flower fast and yield excellent quantities of fruity, pungent marijuana. Suitable for grow both indoors and outdoors, Pineapple Chunk makes for an easy early harvest of high-grade pineapple-and-cheese smelling buds with a strong 25% THC content.

Flowering Time 55-60 days
Seed Breeder Barney’s Farm Seeds
Pack Size 1/3/5/10 seeds
Yield 650 g/m2

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Green Crack

Green Crack is a vigorous sativa hybrid that brings in impressive yields of tight sticky buds. A hardy grower, Green Crack does well in most indoor and outdoor climates. Its wide internode spacing allows for air to flow through the plant, while still being able to form dense, potent cannabis buds. Resistant to Botrytis mold. Bred between 1989 Super Sativa Seed Club Skunk #1 and an isolated Afghani cutting, Green Crack marijuana seeds are easy to grow for beginners and experts alike. Tasty and potent—up to 22% THC.

Flowering Time 10 weeks
Seed Breeder ILGM
Pack Size 5/10/20 seeds
Yield Indoors: 350-525 g/m2
Outdoors: 1-3 kg/plant

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Gelat.OG

Gelat.OG by Seedsman combines the genetics of two very in demand West Coast marijuana strains—Gelato and OG Kush. This hybrid features great yields, a fast flowering time and delicious indica buds high in THC. Gelat.OG grows well both indoors and outdoors, where it can reach upwards of 7 feet tall. Indoors, Gelat.OG is easily maintained as 3 to 4 foot bushes. The buds change purple colors in cooler temps during the last weeks of bloom, yielding heavy harvests of hard-hitting, resin-coated pine/lemon/diesel buds. Euphoric stone. Up to 25% THC.

Flowering Time 55-60 days
Seed Breeder Seedsman
Pack Size 1/3/5/10 seeds
Yield Indoors: 500-600 g/m2
Outdoors: 400-600 g/plant

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Blue Cheese

Blue Cheese is a stable cross between Blueberry and Cheese. It forms premium dank indica buds with a nice fruity flavor. These thick, robust plants are easy to grow indoors, in a greenhouse or outdoors. Blue Cheese shows fairly good mold and powdery mildew resistance for an indica. Its fast flowering time is why outdoors growers in cold climate Oregon love this strain. The buds have a light blue color tone to them, grade A bag appeal and the ultimate cheesy stench. 23% THC.

Flowering Time 60-65 days
Seed Breeder ILGM
Pack Size 5/10 seeds
Yield Indoors: 500+ g/m2
Outdoors: 500+ g/plant

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The Incredible Bulk

The Incredible Bulk is bred to be a heavyweight performer in both yield and grow speed. Incredible Bulk seeds grow up to produce boxing glove-sized buds on monster, bulky plants that adapt well to most environments. An easy to grow strain indoors that responds to heavy feeding and cropping methods. The finished product is strong and hits hard. 20-24% THC.

Flowering Time 7-8 weeks
Seed Breeder Dr Krippling Seeds
Pack Size 1/5/10 seeds
Yield Indoors: 600-1000 g/m2
Outdoors: 800 -1500 g/plant

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LSD is a a powerfully psychoactive feminized seed strain to grow, ideal for both new growers and the pros. Created from Skunk #1 and Afghani indica genetics, this modern hybrid is prized for its great potency, flavor and high. LSD grows easily from seed outdoors and indoors, producing resilient plants that develop enormous “grenade” colas. The buds are oily, very stinky and give a strong trippy effect. Tested at 24% THC.

Flowering Time 8 weeks
Seed Breeder ILGM
Pack Size 5/10/20 seeds
Yield 500+ g/m2

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AK47 by Serious Seeds is an award-winning 4-way hybrid regular seed strain bred by Serious Seeds. Extremely popular since the mid-nineties and still up there with the best, AK47 is famous for its super stinky buds that hit hard and fast—a true “one hit wonder” strain. Bred from landrace Thai, Mexican, Colombian and Afghani genetics. The seeds grow easily-manageable, moderate-height plants that develop compact, frosty colas. AK47 prefers dry climates.

Flowering Time 8-9 weeks
Seed Breeder Serious Seeds
Pack Size 11 seeds
Yield 400-500 g/m2

Buy AK47 Regular Seeds🌱

Gold Leaf

Gold Leaf by ILGM is Robert Bergman’s cannabis strain of undisclosed genetics, bred for easy cultivation and high yields. With a distinct gold color and pungent aroma, Bergman’s Gold Leaf plants mature into swollen bud-covered monsters. This indica dominant strain is suitable for growing almost anywhere, indoors it is advised to limit height. Cropping and pruning techniques can increase production. Uplifting, relaxing high. 21% THC.

Flowering Time 9 weeks
Seed Breeder ILGM
Pack Size 5/10/20 seeds
Yield 16-23 oz per 3×3 ft

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Gorilla Bomb

Gorilla Bomb is a sativa dominant hybrid made from a clone of the 2014 multi-award winning GG #4 pheno by GG Strains combined with Bomb Seeds’ THC Bomb. Gorilla Bomb seeds give growers productive yields of insanely sticky-icky buds with a sour piney aroma. The bushy plants handle high heat well and flourish in both indoor and outdoor climates, easily reaching over 6 feet tall. Gorilla Bomb forms tons of bud sites that get covered in a mess of trichomes, making highly potent end product at over 25% THC.

Flowering Time 9-10 weeks
Seed Breeder Bomb Seeds
Pack Size 5/10 seeds
Yield 400-550 g/m2

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Super Skunk

An easy to grow high yield strain both in and out, Super Skunk is a classic mostly indica hybrid that takes Skunk #1 to the next level—with better flavor, yield and potency. These consistent plants are quite stinky and produce gigantic yields. Outdoor harvest is early, by the end of September. The pungent and sweet buds give strong, quick-hitting body effects. Up to 20% THC.

Flowering Time 8 weeks
Seed Breeder ILGM
Pack Size 5/10/20 seeds
Yield Indoors: 500+ g/m2
Outdoors: 2+ kg/plant

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OG Kush

OG Kush is one of the most all-time popular US cannabis strains in history. OG Kush remains a highly in demand strain for buyers of legal cannabis, making it an excellent cash crop strain for growers. The OG Kush seeds sold by ILGM produce quick, easy to grow marijuana plants suitable for indoor, greenhouse and outdoor cultivation. It can can grow upwards of 3 meters and flowers fast, forming into a dominant cola shape with dense, resinous buds. Potent high. Up to 24% THC.

Flowering Time 8 weeks
Seed Breeder ILGM
Pack Size 5/10/20 seeds
Yield Indoors: 500 g/m2
Outdoors: 1+ kg/plant

Buy OG Kush Feminized Seeds🌱

Easiest Autoflowering Cannabis Strains to Grow from Seed

Black Jack Auto

Black Jack Auto by Sweet seeds is a hybrid of S.A.D. (Sweet Afghan Delicious) Auto and Jack Herer. It produces big nugs on short/medium plants absolutely covered in sugar crystal. A good autoflower strain for novice growers of all types, Black Jack Auto seeds grow to a height of 40 to 110 cm indoors, and taller outdoors, with potential yields over 250 grams per plant of dense, resinous, sweet buds. 15-20% THC.

Grow Time 9 weeks from seed
Seed Breeder Sweet Seeds
Pack Size 3/5/10 seeds
Yield Indoors: 400-550 g/m2
Outdoors: up to 250 g/plant

Buy Black Jack Auto Feminized Seeds🌱

Blueberry Auto

Blueberry Auto is an easy to grow weed strain that produces excellent fruity bud both indoors and outdoors. Based on the award-winning Blueberry genetics, this mostly indica autoflowering seed strain grows more compact and finishes quicker, at just 8 weeks from germination. The buds have a strong berry aroma and remarkably sweet taste. Happy, relaxing high. A great auto strain for beginners looking for a decent first harvest. Up to 14% THC.

Grow Time 8 weeks from seed
Seed Breeder ILGM
Pack Size 5/10/20 seeds
Yield Indoors: 250-400 g/m2

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Fantasmo Express

Fantasmo Express aka Auto Ghost Train Haze is the most sativa dominant Mephisto Genetics strain available, incorporating genetics from Rare Dankness’ OG Ghost Train Haze sativa strains. Fantasmo Express plants grow quickly and stretch up to 90 cm tall during their flowering cycle, finishing up in only 70 days from germination. Easy to grow, great yield, nice plant size and resin profile.

Grow Time 75 days from seed
Seed Breeder Mephisto Genetics
Pack Size 18/90/180 seeds
Yield 90+ g/plant

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Pineapple Express Auto

Pineapple Express Auto seeds by Fast Buds combines special fruity flavors with great yields and happy highs. A forgiving, easy to grow indoor/outdoor marijuana strain, even for first-time cultivators. Pineapple Express Auto gets between 90 to 140 cm tall depending on indoor or outdoor growing setups. The high quality buds give overpowering aromas of pungent sweet pineapples.

Grow Time 70-80 days from seed
Seed Breeder Fast Buds Seeds
Pack Size 1/3/5/10 seeds
Yield Indoors: 400-600 g/m2
Outdoors: 50-300 g/plant

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OG Kush Auto

OG Kush Auto by Seedsman is a great high-grade marijuana strain for beginners growing in small spaces. This stout indica dominant autoflower strain stays under 4 feet tall and is finished from seed in only 2½ months. OG Kush Auto’s thick, rock hard golf ball shape buds add up to high yields come harvest time. OG Kush Auto packs a punch at 15-20% THC.

Grow Time 75 days from seed
Seed Breeder Seedsman
Pack Size 1/3/5/10/100 seeds
Yield 400 g/m2

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Afghan Mass XXL Auto

Auto Afghan Mass XXL is a new and improved autoflowering indica strain created from the largest and heaviest yielding phenotypes of 00 Seeds’ Auto Afghan Mass—a hybrid of Critical Mass Auto and Afghani. While it takes few weeks longer to flower, Auto Afghan Mass XXL grows taller and yields more than the original variety. The plants are bushy in growth, attaining a height of 80 to 100 cm indoors, or even higher outdoors. Its resinous buds are solid and weigh out heavy on the weed scale. Powerful, relaxing smoke. 17% THC.

Grow Time 75-80 days from seed
Seed Breeder 00 Seeds
Pack Size 3/5 seeds
Yield 500-550 g/m2

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White Widow Auto

White Widow Auto by Seedsman is one of most popular autoflowering Seedsman strains, prized for its quick growth and high yields of frosty White Widow buds. The plants stay short at 50 to 120 cm tall, developing beautiful elongated colas completely covered in trichomes. Suitable for cultivation almost anywhere. Highly potent, smooth smoke. Also see ILGM’s White Widow Auto seeds.

Grow Time 80-85 days from seed
Seed Breeder Seedsman
Pack Size 1/3/5/10/100 seeds
Yield 35-125 g/plant

Buy White Widow Auto Feminized Seeds🌱

Girl Scout Cookies Extreme Auto

Girl Scout Cookies Extreme Auto is a potent autoflowering version of the famous Girl Scout Cookies strain. This version produces magnificently frosty, high-grade marijuana on fast and easy to grow autoflower plants. It’s bred from Durban Poison and OG Kush with the addition of ruderalis genetics. The 80% indica plants stay compact during growth, forming stinky GSC buds in 8 to 9 weeks from germination. Consistently a best seller at marijuana seed banks. Super dank weed. Up to 21% THC.

Grow Time 8-9 weeks from seed
Seed Breeder ILGM
Pack Size 5/10/20 seeds
Yield 500-650 g/m2

Buy Girl Scout Cookies Extreme Auto Feminized Seeds🌱

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The easiest cannabis strains to grow indoors and outdoors from seed. For beginners, novice growers, experts and commercial cultivators alike.