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Autoflower Cannabis Seeds

Looking for cannabis seeds with an easy, fast grow? These autoflowering seeds flower automatically — with no change to the light cycle and are ready to harvest in 8–11 weeks. Robust, beginner-friendly and reliable, all with a germination guarantee — direct from the breeder, with worldwide shipping.

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Buy Autoflowering Seeds — Self-Flowering Cannabis Seeds

Looking for autoflowering cannabis seeds that grow without light control and are quick to harvest? Our autoflower genetics flower automatically, are ready in 8–11 weeks from germination and are exceptionally robust — ideal for beginners, balconies and short summers. All with a germination guarantee, direct from the breeder, with fast, discreet worldwide shipping.

See all autoflowering strains →
What is autoflowering? Benefits Auto vs feminized Top strains FAQ

What are autoflowering cannabis seeds?

Autoflowering seeds (also called automatic or self-flowering seeds) switch to flowering automatically — independent of the light cycle, based only on the plant's age. This trait originally comes from Cannabis ruderalis, a hardy wild type from northern climates with short summers. Modern autoflower genetics combine that self-flowering trait with the potency and aroma of classic strains — without ever switching your light schedule to 12/12.

Benefits of autoflowering seeds

  • Easy to grow — no light control needed, fewer things to get wrong, ideal for beginners.
  • Fast to harvest — 8–11 weeks from germination to harvest.
  • Multiple harvests per year — the short cycle allows several outdoor harvests per season.
  • Robust & resilient — the ruderalis heritage makes autos forgiving of weather and minor care mistakes.
  • Compact & discreet — short plants, perfect for balconies, small indoor setups and short summers.

Autoflowering vs feminized (photoperiod)

FeatureAutofloweringFeminized (photoperiod)
Flowering triggerautomatic (age-based)12/12 light cycle
Cycleshort (8–11 weeks from germination)longer (depending on strain)
Sizecompactlarger, more yield per plant
Harvests per yearseveral possibleusually one (outdoor)
Best forbeginners, balcony, short summersmaximum yield, full control

Prefer the highest yield per plant and full control? Take a look at the feminized cannabis seeds.

The best autoflowering strains from Pyramid Seeds

Auto Northern Lights

20–22% THC · 90% indica · ready in ~63 days
The legendary indica as an autoflower — deeply relaxing, sweet-spicy, robust and easy to grow.

View Auto Northern Lights

Auto Black Cherry Punch

24–25% THC · 90% indica · ready in ~53 days
One of the strongest autos — cherry-pie aroma, violet buds, almost the potency of the fem version.

View Auto BCP

Auto Purple — best seller

18–20% THC · 50/50 hybrid · ready in ~58 days
Our best-selling purple autoflower — violet buds, forest-berry aroma, very easy to grow.

View Auto Purple

Auto Super OG Kush

23–25% THC · OG genetics · ready in ~63 days
The popular OG Kush auto — earthy-citrus diesel profile and classic OG power, with no light schedule.

View Auto Super OG Kush

Auto Gelato

20–25% THC · hybrid · ready in ~53 days
Dessert genetics as an auto — creamy-sweet aroma, balanced effect, fast harvest.

View Auto Gelato

Auto Gorila

20–25% THC · 60% indica · ready in ~53 days
Gorilla Glue power as an autoflower — extremely resinous, diesel-citrus aroma, ideal for extraction.

View Auto Gorila

Auto White Widow

20–23% THC · 50/50 hybrid · ready in ~58 days
The classic as an auto — resin-coated buds, balanced effect, loved worldwide.

View Auto White Widow

Auto Cookies USA

21–25% THC · 60% indica · ready in ~65 days
American Cookies power as an auto — sweet cookie-dough aroma, powerful and balanced.

View Auto Cookies USA

Auto Super Hash

18–20% THC · 90% indica · ready in ~58 days
Hashish indica as an auto — spicy-earthy, very resinous, fast and robust.

View Auto Super Hash
Want to try several autoflower genetics in one pack? The Power Mix Auto brings together four self-flowering strains in one 12-seed set.

Why autoflowering seeds from Pyramid Seeds?

  • Germination guarantee on all strains — direct from the breeder
  • Fast & beginner-friendly — ready in 8–11 weeks, no light schedule needed
  • Over 20 years of breeding experience — stable, robust autoflower genetics
  • Worldwide shipping — fast and discreet, straight from the breeder
FAQ — Autoflowering cannabis seeds
What are autoflowering cannabis seeds?

Autoflowering seeds flower automatically — based on the plant's age and independent of the light cycle. The trait comes from Cannabis ruderalis. You never have to switch the light schedule to 12/12, which makes growing especially easy.

How long from germination to harvest?

Most autoflower strains are ready 8 to 11 weeks from germination. Especially fast genetics like Auto Black Cherry Punch or Auto Gelato finish in around 53 days.

Autoflowering or feminized — which is better for beginners?

For a first grow, autoflowering strains are usually the best choice: no light-cycle switching, a shorter cycle, compact plants and high resilience. Feminized strains give more yield per plant with full control, but take a bit more effort.

Can I get multiple harvests per year with autoflowers?

Yes. Thanks to the short cycle, two or more outdoor harvests per season are possible — sowing from spring through summer. Indoors you can re-sow year-round, since flowering doesn't depend on the light cycle.

Are autoflowers good for balcony and outdoor growing?

Very much so. Autos stay compact, are discreet and tolerate changing conditions — ideal for balconies, gardens and short summers.

Are autoflowering seeds feminized?

Yes — Pyramid Seeds autoflowering seeds are feminized, so virtually every plant is female and there's no need to identify and remove males. You get an easy grow with no light-schedule change and an all-female crop.

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Disclaimer: this information is for educational purposes only and does not constitute medical advice. Always follow the laws of your country.

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