Granddaddy Purple Feminised
A indica testing at 17-23% THC, Granddaddy Purple Feminised is reported relaxed, sleepy, euphoric. Grown right across the country, from the Cape to the Lowveld. Discreet nationwide delivery and a germination guarantee.
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 2026-09-19 on 100 seeds.
About Granddaddy Purple Feminised
The way to plan Granddaddy Purple is backwards from the day you intend to cut, with up to 500 g/m2 per square metre indoors and up to 600 g/plant per plant outdoors as the figures you are working toward, at 17-23% THC. Count 8-10 weeks back from that date and you have your flip date. Most of the final weight lands between weeks 5 and 8, when calyxes stack fastest and trichome cover goes from patchy to complete. Outdoors in the Southern Hemisphere you want that fattening phase falling in February while the days are still long, which puts a late-March cut about right for most of the country.
The Aromatic Three
Leading with Caryophyllene, then Myrcene, and Bisabolol underneath.
Difficulty: beginner. In flower for 8-10 weeks. Stands Up to 100 cm. Indoors it returns up to 500 g/m2. Outdoors, up to 600 g/plant a plant.
Effects
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At a Glance
In the Packet
Feminised Premium
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Granddaddy 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.
BX3 is the credible stabilisation point for a clone-only West Coast clone-only cultivar. We worked Granddaddy Purple through three backcross generations to recreate the elite cut in seed form. A sibling male pollinates the mother each cycle to drive trait fixation.
Translate a clone-only West Coast clone-only cultivar to seed without losing the mother profile.
Chosen for trichome coverage, stout structure and consistent flowering time across the pack.
Royal King Genetics select-mother programme — pollen drawn from an internally maintained reversed-female line.