Grandmommy Purple
4 listings from 3 seed banksBred by Growers Choice Seedsprices checked Nov 5
- THC
- 28–33%
- CBD
- 1%
- Flowering
- 60–70 days
- 30-day price
- −3%
Offers for Grandmommy Purple
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Price history: 30 observed days, 2026-10-07 to 2026-11-05 (UTC). Lowest recorded: $9.60/seed, before shipping and coupon codes. Gaps mean no in-stock price was recorded.
Genetics
Full tree →Reported parents: Big Bud × Purple Urkle. The parent order is not recorded. Sources
Grow specs
- Height
- Short
Reported in catalog and seed-bank records; not independently tested.
Harvest timing
Harvest 60–70 days after the flip to 12/12.
From seed with a 6-week veg, about 14.5–16 weeks. Autoflower versions run on their own clock, usually 10 to 12 weeks from seed.
Plan a Grandmommy Purple grow in the harvest calculator →Data & sources
Growing details and parentage reflect catalog and seed-bank records. They are not independent grow tests or lab results. How we use these records.
Reported parent sources
Confidence scores describe our extraction and name matching, not a genetic percentage or independent verification. Method.
Seed-bank records (5)
Something wrong? Send a correction with a source link.
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