Best High Yield Autoflower Strains

Best High Yield Autoflower Strains

Autoflowering strains are becoming more and more popular, and for a good reason. They grow relatively short without training, bring fast harvests, and are usually easier to grow than their photoperiod counterparts. This post is Paramount Seed Farms’ list of best high-yield autoflower strains.

Autoflower strains are great plants to learn how to grow, but some still contend that they aren’t worth the trouble because of low yields and potency.

Best High Yield Autoflower Strains

White Widow XXL150g+/plant
Sweet Cheese XL150g+/plant
Amnesia XXL150g+/plant
Cream Cookies150g+/plant
Sour Stomper120g+/plant
Ripley’s OG120g+/plant
Critical 2.0 XL100g+/plant
OG Kush100g+/plant

If these misunderstandings were genuine, we would never bother with autoflowers, but we will continue searching for the next ‘gem’ in our stable of autoflowers.

Autoflowers are always in our indoor rotation, and when it comes to the season, we dedicate a large portion of our outdoor garden to autoflowers because we know we can get at least two harvests in before the ‘Big Ones’ are done.

Yes, indeed, you aren’t going to pull down 2000g from a single outdoor autoflower, but as most experienced growers know, it is all about efficiency. Get the most out of a plant, yielding and potency, with as little space and resources as possible.

Achieving 200g+ from an autoflower strain outdoors is not out of the question, not to mention it will probably be ready to harvest in less than 9 weeks!

Below is our running table of the best high yield autoflower strains available on the open market.

*These are results of our actual testing. Conditions were ideal and we have also tested 44 autoflowering strains.
*All of our testings was done using Gen Hydro Flora Series Nutrients, each plant was grown in its own 5-gallon DWC system, conditions were ideal, no added CO2, and grown under (2) 300W LED Grow Lights in a 4×4 grow tent, 3 plants per tent.

White Widow XXL Autoflower is the Best of the Best High Yield Autoflower Strains

White Widow XXL

Best of the Best High Yield Autoflower Strains

White Widow XXL Autoflowering is an indica-dominant marijuana strain that was created by back-crossing a White Widow Auto with Dinafem’s elite clone of its photo-period White Widow. From seed to harvest in eleven weeks.

White Widow XXL Auto is a 3rd. generation auto-flowering plant which offers generous yields of hard, resin-encrusted buds from plants with relatively few leaves leaving little work to be done trimming once the buds have dried. It will grow indoors, outdoors and in greenhouses, the latter is very useful to extend the growing season in cooler regions. Dinafem recommends that growers using a soil mix should add one third coco coir to their mix to aerate the root system which increases plant metabolism thus speeding up growth.

Indoors White Widow XXL Autoflowering will produce yields of 400 – 450 gr/m2 in a total grow-cycle of 80 days. Outdoor plants will yield between 60 – 170 gr. each in a growing season that lasts from April to October. The aroma and flavour of this strain is floral with bitter-sweet notes. Its high THC production gives this strain a powerful yet soothing effect which is long-lasting. It engenders a feeling of deep relaxation which it is claimed has therapeutic uses. It is likely to be effective to counter the effects of stress.

  • Variety: Mostly Indica
  • Genetics: White Widow elite clone x White Widow Auto
  • Flowering: 80 days
  • Indoor yield: 400-450 g/m2
  • Outdoor harvest: April to October
  • Outdoor yield: 60-170 g/plant
  • THC: High
  • Medicinal Properties: Yes, good for therapeutic use
  • Taste / Flavour: Bitter, Flowery, Sweet
  • Effect: Long-lasting, Powerful, Relaxing, Soothing

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Tangie Autoflower - Best High Yield Autoflower


Tangie Matic is a Sativa-dominant automatic plant. THC production in this strain has been measured at up to 23%. The original Tangie clone was obtained at a cannabis-related event in California, and then the Fast Buds breeders set to work to make it an auto-flowering strain.

Outdoors Tangie Matic can reach 150 cm. tall making it a strain to avoid if the goal is stealth and the avoidance of unwanted interest. It is not a plant that takes to training as stress during the vegetative stage is not well-tolerated. Correct treatment will see this strain produce 450 – 650 gr/m2 or 50 – 350 gr/plant in 9 weeks from the seedling stage.

During cultivation Tangie Matic has a refreshingly fruity citrus scent with tangerine flavors on the palate. The effect is of a cerebral high that evolves into a body stone. After 30 minutes tensions and stresses will melt away and creativity comes to the fore as lucidity is maintained.

Therapeutic use is highly recommended for migraines, anxiety, depression, chronic stress issues, and to stimulate the appetite. It is a great morning/daytime strain especially for those medicating.

  • Variety: Mostly Sativa
  • Genetics: White Widow elite clone x White Widow Auto
  • Flowering: 63 days
  • Indoor yield: 450-650 g/m2
  • Outdoor yield: 50-350 g/plant
  • THC: up to 23%
  • Medicinal Properties: Glaucoma, Nausea, Epilepsy, Multiple Sclerosis, Back pain, PMS, Arthritis, Herpes, Rheumatism, Sickle Cell, Expectorant, Stress, Migraines, AIDS, Tumors, Asthma
  • Taste / Flavour: Citrus, Fruity, Spicy / Herbal, Tangerine
  • Effect: Creative, Meditative, Strong

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Sweet Cheese XL Autoflower

Sweet Cheese XL

Sweet Cheese XL Auto is fast and furious in its growth pattern. It is the result of a selective breeding programme the aim of which was to increase size, yield and resin production and, ultimately, the potency of the original Sweet Cheese Auto.

Sweet Cheese XL Auto is 61.3% sativa, 35.6% indica and 3.1% ruderalis. Whether grown indoors or outdoors it will be ready to harvest a mere 8 weeks from germination. Plants will vary in height between 75 – 140 cm. tall depending on environment and root space. Indoor yields are in the range 375 – 600 gr/m2 while outdoor-grown plants will produce between 45 – 190 gr. each depending on conditions and grower skill.

The scent and taste are somewhat Skunk-like with notes of mature cheese with a citrus edge. THC levels are high at 15 – 20% while CBD is just 0.1%. This should ensure a potent yet relaxing high.

  • Variety: Mostly Sativa
  • Genetics: Sweet Cheese Auto selection
  • Flowering: 56 days
  • Indoor yield: 375-600 g/m2
  • Outdoor yield: 45-190 g/plant
  • THC: 15% – 20%
  • Medicinal Properties: Glaucoma, Nausea, Epilepsy, Multiple Sclerosis, Back pain, PMS, Arthritis, Herpes, Rheumatism, Sickle Cell, Expectorant, Stress, Migraines, AIDS, Tumors, Asthma
  • Taste / Flavour: Cheese, Citrus, Skunk
  • Effect: Powerful, Relaxing

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amnesia xxl auto

Amnesia XXL

Amnesia XXL Auto allows for the harvest of multiple crops per year outdoors in warm regions where there is a long growing season. Plants can even be started indoors before being taken outdoors to finish from April right through to October which would allow the grower 3 crops or more if cultivation is staggered. Dinafem recommends the addition of one third coco coir to the soil mix used in order to help oxygenate the roots and enhance the plants’ metabolism for faster growth.

Amnesia XXL Autoflowering is the result of crossing Original Amnesia with its auto-flowering version. It’s a sativa-dominant marijuana strain that is easy-to-grow producing very good yields in a short life-cycle.

Indoors yields of 450 – 500 gr/m2 can be harvested in a total grow cycle of 75 – 90 days. This is a fast turnaround for such a high-quality sativa strain. Outdoors between 60 – 170 gr/plant can be obtained from each plant growing anywhere between 75 – 170 cm. tall.

A deep, rich perfume and taste with clear notes of Haze, lemon, pine, and incense act as a signifier of great quality. THC production is high at between 15% – 20% which delivers a high which is powerful, cerebral and long-lasting.

  • Variety: Mostly Sativa
  • Genetics: Original Amnesia x Original Amnesia Auto
  • Flowering: 77 days
  • Indoor yield: 450-500 g/m2
  • Outdoor yield: 60-170 g/plant
  • THC: High
  • Taste / Flavour: Haze, Lemon, Pine, Spicy / Herbal
  • Effect: Cerebral, Long-lasting, Powerful

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cream cookies autoflowering strain

Cream Cookies

Cream Cookies Auto is the new, versatile, auto-flowering strain from Fast Buds. It is an indica-dominant strain which is a somewhat creamier version of this breeder’s Girl Scout Cookies whose genetics have been specially selected for this euphoric strain. It provides enough uplift that a little can even be used during the day-time as well as a brilliant evening smoke. It can display some beautiful blue and purple colors at maturity.

Cream Cookies is such a versatile cannabis strain, it will prosper and thrive in any growing medium and with all kinds of lighting: natural sunlight, HID lamps, compact fluorescents or even LEDs. Just bear in mind that this is a voracious eater and will require fairly high levels of nutrients as well as water. It will take anywhere between 8 and 11 weeks to reach full maturity once it is germinated reaching a height of between 60 – 90 cm. tall and growing with a very bushy structure. Its buds grow large and dense and are covered with sparkling resin crystals laden with THC. For absolute best results, some LST (low-stress training or bending and tying) coupled with judicious removal of the larger fan leaves during flowering should be employed. Yields are large and resin production is such that it is highly recommended to use for making concentrates and extracts.

Its flavor is very creamy and rich with plenty of body – think biscuits dunked into a very robust, creamy coffee! Earthy, woody and pungent back-notes are presently making this quite a complex flavor. THC levels are said to be very high with low CBD. The effect is very relaxing but with a little sativa uplift. It is known to promote attacks of the munchies and it has a very social effect so it is ideal for either intimate moments or in a social setting with friends.

This strain has beneficial therapeutic effects and it is claimed to be useful to treat symptoms of the following maladies: glaucoma, nausea, epilepsy, multiple sclerosis, back pain, PMS, arthritis, herpes, rheumatism, Sickle Cell Anaemia, stress, migraines, AIDS, tumours, asthma and even as an expectorant.

  • Variety: Mostly Indica
  • Genetics: Girl Scout Cookies
  • Flowering: 70 days
  • Medicinal Properties: Yes
  • Taste / Flavour: Coffee, Cookies, Cream
  • Effect: Relaxing, Strong, Uplifting

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Sour Stomper Autoflower

Sour Stomper

Auto Sour Stomper shows just what careful selection can do for a breeding program. A grape-tastic pheno-type of a Sour Crack female plant was crossed with an equally grapelicious Grapestomper OG male from Gage Green. The F1 was passed to Mephisto Genetics to transform it into a fully-fledged automatic strain.

Auto Sour Stomper is a 50/50 Indica/Sativa hybrid which begins life growing just like an indica and maintaining a very squat profile. As soon as the flowering stage begins things get very stretchy indeed with plants becoming up to 4 times taller and fully displaying its OG background. Plenty of budding sites, low foliage density, and an open structure mean that popcorn buds are a thing of the past as buds maximize their growth and density. Sour Stomper plants can grow equally well indoors, outdoors or in a greenhouse environment.

These plants reach a height of between 80 – 120 cm. yielding 120 – 150 gr/plant in 65 – 70 days from germination. It is an incredibly resinous plant whose buds almost require no trimming. As a result, it makes excellent extracts or hash. Cooler night-time temperatures will make leaves turn shades of blue and purple giving a lot of bag appeal; a real feast for the eyes. The aroma and flavor are grapey as you’d expect with a little funk going on too. Its effect is real feel-good; a glorious good-vibes high.

  • Variety: Indica / Sativa
  • Genetics: GrapeStomper OG (Gage Green Genetics) x Sour Crack F5
  • Flowering: 65-70 days
  • Yield: 120-150 g/plant
  • Taste / Flavour: Grape
  • Effect: Happy, Uplifting

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Ripleys OG Autoflower

Ripley’s OG

On Mephisto Genetics quest to find and create the best auto-flowering representation, they have worked tirelessly for success. In a year of trialing many famous and elite branded seeds and cuts this was the second pair with the Triangle Kush that they fell in love with.

It was an Alien OG passed to them derived from a large selection of Cali connection stock, she was compact, squat and fat with lush thick leaves, oozing resin contrasted by deep luscious autumnal colors, purple verging on black during late flower with slightly cooler night-time temps.

The initial yield was great for an OG and running her successively she produces very hard juicy buds of the highest quality.

Mephisto Genetics autoflower match for her was of a larger stature for AF’s with a sativa leaning makeup, this transferred through into the Ripley’s OG as she evolved over the subsequent generations, the parental influence opened up her structure and averaging 110cm she is amongst their tallest varieties.

Yield is very good and given a good life and environment, well-grown specimens can produce 120g/4oz per plant.

  • Variety: Indica / Sativa
  • Flowering: 70 days
  • Yield: 120 g/plant
  • Medicinal Properties: Yes
  • Taste / Flavour: Berry, Sweet
  • Effect: Energetic, Strong

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Critical 2.0 XXL

Critical 2.0 XXL Auto is a very sweet-tasting, 70% indica hybrid strain that is the perfect choice for all growing situations. Its high potency results in a medicinal plant that also appeals to the recreational consumer.

A cross of Critical Auto with a CBD Auto strain this is a great strain for balconies, conservatories, greenhouses, or simply in an indoor grow room due to its compact structure. When cultivated indoors under lights growers can expect to harvest as much as 500 gr/m2 in a 45-day flowering period.

The taste is very fruity and Skunk-y and its 20% THC and 3% CBD contribute to its therapeutic properties which are beneficial in the treatment of a wide range of symptoms including the relief of pain, depression, migraines and general stress.

  • Variety: Mostly Indica
  • Genetics: Critical Auto x CBD Auto
  • Flowering: 45 days after first sign of flowers
  • Indoor yield: 500 g/m2
  • Outdoor yield: 120 g/plant
  • THC: 20%
  • Medicinal Properties: Yes
  • Medical Conditions: Depression, Migraines, Pain, Stress
  • Taste / Flavour: Fruity, Skunk
  • Effect: Calming, Relaxing, Soothing

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West Coast OG Kush Autoflower - One of the Best High Yielding Autoflower strains available

OG Kush

West Coast O.G. Autoflowering was bred from an authentic OG selection obtained on the West Coast of the US. The resulting mostly Indica strain retains every ounce of the original’s qualities just with auto-flowering traits.

Early vegetative growth is slow but this is because nearly all of the plant’s energy is directed to establishing the root system. When this is accomplished just watch West Coast O.G. take off ending up at 100 cm. tall. Indoors it responds well to both Sea of Green and Screen of Green growing set-ups. It can produce yields of 500 – 650 gr/m2 indoors or 70 – 300 gr/plant outdoors in a life-cycle of 60 days or thereabouts.

Its aroma during cultivation is fresh, woody, citric and fairly strong so filtering is a good idea. Once dried and cured the flavor is fruity and citric. THC production is very high at a lab. tested 21% with 1% CBD. The effect is euphoric and relaxing at the same time. It is therapeutically beneficial to those suffering from stress, depression, and migraines and to help with bipolar disorder, ADD/ADHD. Most importantly the desirable effects for any smoker – the perfect balance of relaxation and happiness, stone and high, power and duration of effect, are maintained.

  • Variety: Mostly Indica
  • Genetics: Critical Auto x CBD Auto
  • Flowering: 63 days
  • Indoor yield: 500-650 g/m2
  • Outdoor yield: 70-300 g/plant
  • THC: 21%
  • Medicinal Properties: Yes
  • Medical Conditions: ADD/ADHD, Arthritis, Asthma, Depression, Epilepsy, Glaucoma, Migraines, Multiple Sclerosis, Nausea, Pain, PMS, Stress
  • Taste / Flavour: Citrus, Fruity
  • Effect: Euphoric, Relaxing

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Hybrid of a Canadian Ruderalis and New York Diesel came from the USA and it is a Chem Dawg line. Not having it in your collection is a big mistake. Its taste of lime, lemon, and mandarin with a hint of diesel fuel is definitely its hallmark. The effect is not too heavy such that it will allow you to carry on your everyday business without excessive anesthetic and visual effects. Diesel Auto by G13 Labs Seeds is resistant to mold in cold conditions and does not have problems with fungus in Mediterranean regions. Perfect for outdoors cultivation thanks to its massive yields, growing style, and easiness in maintenance.

  • Variety: Indica / Sativa
  • Genetics: NYC Diesel x Canadian Ruderalis
  • Flowering: 70 days
  • Yield: 450 g/m2+
  • THC: 16%
  • Taste / Flavour: Citrus, Lemon, Lime, Orange
  • Effect: Focused, Motivating

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Thoughts on the best high yield autoflower strains and autoflowering cannabis strains…

Autoflowering strains are fantastic, we love growing them, we love using them and when it comes to growing outdoors, we find that in smaller gardens you can’t beat them. We hope that this list of best high yield autoflower strains is helpful and helps you find the best high yield autoflower seeds for your next grow. Keep your garden as efficient as possible with one of the best LED grow lights to increase your yields while brings your overall costs down.

Maximize your autoflower yields every time with the techniques in this article: Get Bigger Yields From Autoflowering Strains

Check out the best Marijuana Seed Banks to order from if you are in the US.