Grandmommy Purple Feminised
Grandmommy Purple Feminised for South African growers — indica genetics at 33% THC, reported as euphoric, calm. Sourced grow figures on the page, plain packaging, delivered nationwide.
Royal King Genetics — Seed-Lot Testing
Figures below come from our own seed-lot testing rather than breeder marketing, taken from a single batch tested 2026-09-08 on 125 seeds.
About Grandmommy Purple Feminised
Days 1 to 14, seed to fourth node: Expect Grandmommy Purple to crack in roughly 48 hours on damp paper towel and to break soil by day three. Early growth comes in low and wide — broad seed leaves first, then the dark fan leaves the indica side is known for. Four nodes by the end of week two, stacked close together. Damping off is rare if you hold near 70% humidity through this stage.
Weeks 3 to 6, building the frame: Top at the fourth node and the laterals take over fast. A 60 x 60 cm footprint filled by week five is normal, still under 40 cm tall, which is what makes this workable in a small tent.
Bloom, weeks 1 to 70: The 76/24 character becomes obvious here. Myrcene usually shows in week three and strengthens from there, with trichome cover visible without a loupe from about week five. Indoor yield: 500-600 g/m2. Height: Up to 120 cm. Tested at 33% THC. Difficulty: easy.
The Aromatic Three
Leading with Myrcene, then Humulene, and Linalool underneath.
Difficulty: easy. In flower for 60-70 days. Stands Up to 120 cm. Indoors it returns 500-600 g/m2. Outdoors, Up to 1000 gr./plant a plant.
Effects
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Grandmommy Purple Feminised — Breeder Information
Royal King GeneticsRecreated and stabilised by Royal King Genetics, the breeding team behind this catalogue. Seed lots are germination-tested before they ship. More on the breeding process and about page.
Grandmommy Purple sits in advanced filial refinement (F3). Trait expression is consistent across the pack with the minor pheno-to-pheno variation that is typical at this stage. Active selection continues toward F4.
Reach trait homogeneity in Grandmommy Purple through advanced filial refinement.
Chosen for indica vigour, compact bud formation and a reliable finish window.
Royal King Genetics in-house breeder room — pollen taken from a generation-tracked sibling-male line.