
Night Sprint
Autoflowering
- THC
- 19 – 22%
- Flower
- 7 – 8 wks
- Level
- Beginner
- Beginner Friendly
- Small Tent
- Low Odor
From $29.99Launch bonus while stock lastsFair pack pricing from $29.99Launch bonus while stock lasts
Fast, simple genetics for growers who want a smoother path from seed to harvest.

Autoflowering cannabis seeds are bred from a third species — ruderalis — that flips into flower automatically after a few weeks of growth, regardless of light schedule. That removes the most error-prone part of growing for first-timers: managing a separate veg-to-flower light flip without leaks, clock errors, or over-vegging in a small footprint.
Autoflowering seeds are a strong fit for closet growers, 2×2 and 3×3 tent growers, and anyone running a discreet small-space setup. Most ClosetGrower autos top out under 90 cm, finish in eight to ten weeks from sprout, and stay quiet enough to pair with a basic 4-inch carbon filter. You get a fast harvest, a forgiving plant, and a clean turnover schedule without committing to a long photoperiod cycle.
If you are a beginner grower, an apartment grower, or you want a simple first run with a predictable timeline, autoflowering cannabis seeds are usually the easiest place to start. Browse the full collection below, read the beginner autoflowering setup guide, or compare timelines in autoflowering vs photoperiod seeds before you germinate. If your space is a 2×2 tent specifically, see best cannabis seeds for 2×2 tents. Pair with low-odor cannabis strains if discretion matters, or cannabis seeds for closet growers for closet-specific picks.
29 of 29 cultivars

Autoflowering

Autoflowering

Autoflowering

Autoflowering

Autoflowering


Autoflowering

Autoflowering

Autoflowering

Feminized Autoflowering

Feminized Autoflowering

Feminized Autoflowering

Feminized Autoflowering

Feminized Autoflowering

Feminized Autoflowering

Feminized Autoflowering

Feminized Autoflowering

Feminized Autoflowering

Beginner Autoflowering

Beginner Autoflowering

Beginner Autoflowering

Beginner Autoflowering

Beginner Autoflowering

Beginner Autoflowering

Beginner Autoflowering

Beginner Autoflowering

Beginner Autoflowering

Beginner Autoflowering

Beginner Autoflowering
Auto genetics finish on a fixed clock, regardless of light schedule. Pick a stable pheno, plant in final pot, and resist over-training — speed and consistency are the trade for control.
Read the guide
Practical guidance from growers who actually run these genetics in tight spaces. Still need help? Talk to us.
Why ClosetGrower
If a seed doesn't pop, we replace it. See full terms on our germination policy.
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Easiest ChoiceAutoflowering convenience with all-female reliability.
Explore Fem Autos
Beginner PickSimple, resilient picks for newer growers and small-space setups.
Start Here
All-Female GeneticsReliable all-female genetics built for growers who want consistency and simpler planning.
Explore Feminized SeedsNumbered restocks, limited phenos, and grow notes. One email per drop. Never spam.