How to grow Auto Ultimate
- Genetics: Mostly Sativa
- THC: up to 25%
- Type: Autoflower
- Difficulty: moderate
- Flowering: ~10–11 weeks
Sativa-dominant autoflower (Jack Herer x Cinderella 99 x Ruderalis) with 24-26% THC delivering a euphoric, creative cerebral high that mellows into a calming body buzz.
Effects
uplifting, relaxing, euphoric, creative
Grower verdict: 8 real reviews, average 4.75/5.
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 not needed for autoflowers, 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 Auto Ultimate seeds on SeedYouLike.