How to grow Alpha 21
- Genetics: Mostly Sativa
- THC: up to 30%
- Type: Photoperiod
- Difficulty: moderate
- Flowering: ~7–9 weeks
Alpha 21 (Totally Alpha OG x Haze IBL x Zalla) is a Sativa-dominant medical strain at 30% THC giving potent full-body relaxation that relieves pain and aids sleep.
Effects
sleep, pain relief, euphoric
Grower verdict: 4 real reviews, average 5/5.
The week-by-week plan
- Germination & seedling — gentle light, high humidity, no nutrients yet.
- Vegetative — 18/6 light, train early, ramp feeding.
- Flower — 12/12, watch stretch, support heavy buds.
- Flush & harvest — trichome check, then dry slow and cure.
Track this grow week by week on WeedYouGrow — free, no login.
Need the seeds? Find Alpha 21 seeds on SeedYouLike.