NEW: Strain ShopBrowse strains
Critical Mass Autoflower Seeds seed pack
AutoflowerBeginnerTHC 22%Indica Dominant

Critical Mass Autoflower Seeds

Autoflower indica ready to harvest in 77 days

$50.15 – $143.657 pack sizes — choose at ILGM

Buy at ILGM

Guaranteed germination · Free US shipping over $50 · Discreet packaging

Affiliate link — we earn a commission at no extra cost to you. Details. Check your state's home-grow laws before ordering.

Our take

Critical Mass Autoflower is an indica-dominant strain bred from the classic Critical Mass line and ruderalis, clocking in at 22% THC without the need to manage light schedules. Beginner-friendly from seed to harvest, it suits home growers who want a straightforward, high-producing plant and a deeply relaxing result — no prior experience required.

Full seed-to-harvest cycle completes in just 77 days indoors or out
Yields up to 455 g/m² with dense, medium-to-large buds on a compact, short plant
Earthy, herbal, and skunky aroma driven by myrcene, caryophyllene, and limonene

Grow specs

GenotypeIndica Dominant
THC22%
CBD levelLow
EffectsHungry, Relaxed, Sleepy, Couch Locked
Taste & aromaEarthy, Herbal, Skunky, Spicy
Dominant terpenesCaryophyllene, Limonene, Myrcene
Grow difficultyBeginner
ClimateOutdoor, Indoor, Sunny, Continental, Mediterranean
Total cycle (auto)77 days
Yield potential455 gr/m²
Plant heightShort
Bud structureMedium Density, High Density, Medium Size, Large Size
Optimal temp72-80°F
Optimal humidity40-60%
LineageCritical Mass x ruderalis
Genetics byScott Blakey (Shantibaba)

Specs are ILGM's published figures for this product; catalog and pricing last verified August 2026. Our write-up is our own — see how we make money.

Growing notes

Rated beginner-friendly, this autoflower removes the guesswork of light scheduling and stays short — a practical fit for limited indoor spaces or discreet outdoor gardens. It performs well in sunny, continental, and Mediterranean conditions. Expect the full cycle to wrap up in 77 days with yields reaching 455 g/m² when plants receive consistent light and steady nutrition.

New to growing? Start with the complete guide, plan your gear with tent setups, and diagnose problems with troubleshoot.

Where this strain fits

ILGM lists this product for growers in these legal home-grow states — see each state's plant limits and growing season:

Want variety instead?

Mix packs bundle three proven strains (30 seeds) at up to 50% off buying separately — the best value in the catalog.

Browse mix packs

Similar strains