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Crystal Meth Auto by Fast Buds $13.40 – $114.01Price range: $13.40 through $114.01USD
Crystal Meth by Fast Buds combines Crystal Meth Auto genetics in a sativa-leaning autoflower hybrid with Up to 21% THC and a piney and earthy flavour profile. Expect an uplifted and happy effect.
Cannabinoids: ▪ THC: Up to 21% ▪ CBD: < 1%Experience: ▪ Flavour: Pine, Earthy ▪ Effects: Uplifted, Happy, EnergeticIndoor: ▪ Flowering: 9 – 10 weeks ▪ Yield: 450 – 600 gr/m2Outdoor: ▪ Yield: 50 – 200 gr/plantExplore more autoflower seeds or browse the Fast Buds collection.
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Californian Snow Auto by Fast Buds $10.73 – $83.84Price range: $10.73 through $83.84USD
Easy to grow, Californian Snow is a sativa-dominant autoflower hybrid built from USA, Californian auto genetics, pairing a candy and sweet character with a happy and relaxed effect.
Cannabinoids: ▪ THC: Up to 23% ▪ CBD: < 1%Experience: ▪ Flavour: Candy, Sweet ▪ Effects: Happy, Relaxed, EnergeticIndoor: ▪ Flowering: 9 – 10 weeks ▪ Yield: 400 – 550 gr/m2Outdoor: ▪ Yield: 50 – 250 gr/plantExplore more autoflower seeds or browse the Fast Buds collection.
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C4 Auto by Fast Buds $28.84 – $83.84Price range: $28.84 through $83.84USD
Easy to grow, C4 is a sativa-leaning autoflower hybrid built from C4 autoflowering genetics, pairing a sweet and earthy character with a creative and happy effect.
Cannabinoids: ▪ THC: Up to 20% ▪ CBD: < 1%Experience: ▪ Flavour: Sweet, Earthy ▪ Effects: Creative, Happy, RelaxedIndoor: ▪ Flowering: 9 weeks ▪ Yield: 450 – 600 gr/m2Outdoor: ▪ Yield: 50 – 200 gr/plantExplore more autoflower seeds or browse the Fast Buds collection.
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Original Auto Russian by Fast Buds $10.73 – $83.84Price range: $10.73 through $83.84USD
Original Auto Russian by Fast Buds is a high-performing autoflower option, an indica-dominant autoflower hybrid and a cherry, berry-like and earthy flavour profile. Expect a relaxed and focused effect, and it’s easy to grow, even for beginners.
Experience: ▪ Flavour: Cherry, Candy, Sweet ▪ Effects: Relaxed, Focused, CreativeIndoor: ▪ Flowering: 8 weeks ▪ Yield: 400-500 gr/m2Explore more autoflower seeds or browse the Fast Buds collection.
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Auto Blueberry x Auto Critical (5 Auto Fem)
$26.83Original price was: $26.83.$13.41Current price is: $13.41.USDCreated from two world famous cannabis strains Critical and Blue Berry. She has quite a mouth watering intense lemony fruity flavor full of sweet berry.
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Auto Purps aka Auto Purple (5 Auto Fem)
$26.83Original price was: $26.83.$13.41Current price is: $13.41.USDAuto Purple has a mild cerebral high with a relaxing physical aspect. Although not phenomenally potent with about 15% THC and 1.5% CBD she is nevertheless a pleasant daytime smoke. Sweet berry and grape flavours combined with an enticing liquorice aroma will draw newbie’s and connoisseurs.
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Auto Northern Lights x Pakistani Chitral Kush (5 Auto Fem)
$26.83Original price was: $26.83.$13.41Current price is: $13.41.USDAn autoflowering hybrid of the classic Northern Lights and the exotic and often colourful Pakistani Chitral Kush.
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Auto Blueberry x Northern Lights aka Auto Blue Lights (5 Auto Fem)
$26.83Original price was: $26.83.$13.41Current price is: $13.41.USDA robust and tasty fusion of two classic strains now available as autos. Limited stock, order early to avoid disappointment.
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Ministry of Cannabis – Auto Cannabis Light Feminised Autoflowering Cannabis Seeds $13.40 – $53.64Price range: $13.40 through $53.64USD
For users of this wonderful plant who want to indulge without getting a heavy high and stoned effect.
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Breaking Buds Seeds – Soylent Green Auto Feminised Cannabis Seeds $6.69 – $48.28Price range: $6.69 through $48.28USD
Breaking Buds Seeds is a new seedbank, offering some seriously mouth-watering genetics; all of which are available at StrainSupermarket!
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Breaking Buds Seeds – Big Whoop Auto Feminised Cannabis Seeds $8.04 – $61.69Price range: $8.04 through $61.69USD
Breaking Buds Seeds is a new seedbank, offering some seriously mouth-watering genetics; all of which are available at StrainSupermarket!
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Breaking Buds Seeds – Brownie Auto Feminised Cannabis Seeds $6.69 – $48.28Price range: $6.69 through $48.28USD
Breaking Buds Seeds is a new seedbank, offering some seriously mouth-watering genetics; all of which are available at StrainSupermarket!
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KC Brains Seeds – Lemon Sputnik Auto Feminised Autoflowering Cannabis Seeds $9.38 – $33.52Price range: $9.38 through $33.52USD
Sharp, citrusy, lemon terpenes in abundance. Finished in 60-70 days.
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KC Brains Seeds – Diamond Queen Kush Auto Feminised Autoflowering Cannabis Seeds $9.38 – $33.52Price range: $9.38 through $33.52USD
Trichome covered, pungent kush. Finished in 60-70 days.
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KC Brains Seeds – Space Mango Auto Feminised Autoflowering Cannabis Seeds $9.38 – $33.52Price range: $9.38 through $33.52USD
Mango flavoured goodness from KC Brains. Finished in 60-70 days.
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Humboldt Seed Organisation – Auto Lemon Juice Express Autoflowering Feminised Cannabis Seeds $12.06 – $89.86Price range: $12.06 through $89.86USD
An autoflowering line that tastes like pine and lemon, this sweet lady will surprise growers because of the speed at which it developes its growth and flowering.
Out of stock
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Humboldt Seed Organisation – Auto Dedoverde Haze Autoflowering Feminised Cannabis Seeds $12.06 – $100.60Price range: $12.06 through $100.60USD
This fast, aggressively growing, Sativa dominant Auto will give you the best fruity spicy taste. Dense, very frosty lime coloured buds will cover the whole plant in 80 days; try it and you will understand why B-Real got so excited!
Out of stock
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Humboldt Seed Organisation – UK Cheese Auto Feminised Autoflowering Cannabis Seeds $12.06 – $100.60Price range: $12.06 through $100.60USD
Pungent and sweet, this is an intricate combination of mouth watering, unmistakable flavor. Intense head high remaining for hours followed by a relaxing finish.
Out of stock
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Humboldt Seed Organisation – Sour Diesel Auto Feminised Autoflowering Cannabis Seeds $12.06 – $100.60Price range: $12.06 through $100.60USD
Strong Diesel fuel aroma, lots of resin, and a very powerful effect make her a very desired choice. Our autoflowering version needs only 75 days to bring you the superior quality California is known for.
Out of stock
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Humboldt Seed Organisation – OG Kush Auto Feminised Autoflowering Cannabis Seeds $13.40 – $114.01Price range: $13.40 through $114.01USD
This amazing strain has rapid vegetative growth and long internodal spacing. Good light penetration allows for rock solid flower development all the way to the bottom of the plant.
Out of stock
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Humboldt Seed Organisation – Lost Coast Skunk Auto Feminised Autoflowering Cannabis Seeds $13.40 – $114.01Price range: $13.40 through $114.01USD
This is Humboldt’s revival of a lost classic. This autoflowering heavy producer has great branching structure, abundant flower production, and very dense multicolored green, white and orange buds.
Out of stock
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Humboldt Seed Organisation – Bubba Kush Auto Feminised Autoflowering Cannabis Seeds $13.40 – $114.01Price range: $13.40 through $114.01USD
The best Indica California has to offer, with large broad leaves, and deep forest green color was bred to create this autoflowering strain. Known for pain relief and relaxing effects, it’s a very resinous and potent autoflower.
Out of stock
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Humboldt Seed Organisation – Bubba Cheese Auto Feminised Autoflowering Cannabis Seeds $13.40 – $114.01Price range: $13.40 through $114.01USD
A powerful flavor fuse was accomplished with the combination of the Earth and pepper overtones from the pre’98 Bubba and the iconic “Exodus” Cheese taste, providing a unique and superior taste mix.
Out of stock
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Humboldt Seed Organisation – Auto Blue Dream Feminised Autoflowering Cannabis Seeds $13.40 – $114.01Price range: $13.40 through $114.01USD
This top producing automatic strain is tall and vigorous, much like the original Blue Dream, with tight internodes and blue shades of color. Strong floral berry aroma followed by peppery undertones.
Out of stock
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Big Buddha Seeds – Sour Chiesel Automatic aka Auto Sour Chiesel Feminised Autoflowering Cannabis Seeds $10.06 – $71.08Price range: $10.06 through $71.08USD
The most important quality of Big Buddha’s ‘Sour Chiesel’ is its unique flavour and quality….. a special sweet/sour grapefruit citrus flavour synonymous with the Sour Diesel lineage, super fat calyxes in absolutely shinning encrusted resin glands, perfect for ‘extraction’ and now available in autoflowering form!
🌍 Shop by Region: Australia · New Zealand · USA · Canada · UK
Why Choose Autoflower Cannabis Seeds?
Autoflowers are perfect for growers who want fast, reliable and low-maintenance results. Modern automatic genetics deliver impressive potency, strong yields and vibrant terpene profiles, while staying compact and easy to manage.
- Fast seed-to-harvest: Most autos finish in 8–10 weeks.
- No light cycle changes: Plants bloom automatically based on age.
- Beginner-friendly: Tough, forgiving genetics with high resilience.
- Compact footprint: Ideal for micro-grows, balconies and small tents.
- Great in cooler climates: Performs well where photoperiods struggle.
- Multiple harvests a year: Perfect for perpetual growing.
How to Choose Autoflower Seeds
Choosing the right autoflower depends on your growing space, experience and preferred effects. Compact autos suit small indoor setups or discreet outdoor grows, while larger modern autos thrive outside with bigger yields. Indica-leaning strains offer relaxing effects, sativas provide energetic uplifts, and hybrids deliver a balanced experience. Autoflowers are versatile and suitable for growers of all levels.
Autoflowers vs Other Seed Types
Autoflowers offer unmatched speed and convenience, but each seed type has its strengths:
- Feminized Seeds: Photoperiod strains with maximum yield and canopy control.
- Regular Seeds: Ideal for breeders and purists, producing both males and females.
- Fast-Version Seeds: Quick-finishing photoperiod hybrids.
- High-THC Seeds: Optimised for potency and resin production.
Quality, Storage & Stealth Shipping
All autoflower seeds at StrainSupermarket® are kept fresh, sourced from trusted breeders and handled with care for maximum viability. Every order ships discreetly in plain, secure packaging with no external references to cannabis or seeds. Eligible orders also receive bonus free seeds.
If you want speed, simplicity and reliable performance, our autoflower range is the ideal place to begin.
Autoflower Cannabis Seeds – FAQs
What are autoflower cannabis seeds?
Autoflowers bloom automatically based on age rather than light cycle, making them simple, fast and suitable for all experience levels.
How long do autoflowers take?
Most autoflowering strains take 8–10 weeks from seed to harvest, with some ultra-fast varieties finishing even sooner.
Are autoflower seeds feminized?
Yes — most autoflower seeds are feminized. “Autoflower” refers to automatic blooming, while “feminized” means nearly 100% female plants. Many growers choose feminized autos for fast, easy and reliable harvests.
Do autoflowers need a light cycle change?
No — autoflowers bloom automatically. Many growers use 18–20 hours of light per day for the entire grow.
Can autoflowers produce good yields?
Yes — modern autoflower genetics can produce impressive yields and resin levels, often matching photoperiod strains.
Do you ship autoflower seeds internationally?
Yes — we ship discreetly to the USA, Canada, Australia, New Zealand and most European countries.

