Grape OX Feminised
A indica testing at 22% THC, Grape OX Feminised is reported euphoric, calm. 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 2026-09-23 on 425 seeds.
About Grape OX Feminised
The way to plan Grape OX is backwards from the day you intend to cut, with 450 gr/m² per square metre indoors and 455 g per plant per plant outdoors as the figures you are working toward, at 22% THC. Count 63 to 70 days indoors 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 Myrcene, then Caryophyllene, and Linalool underneath.
Difficulty: medium. In flower for 63 to 70 days indoors. Stands 90-120 cm. Medium. Indoors it returns 450 gr/m². Outdoors, 455 g per plant a plant.
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Grape OX 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.
Grape OX carries clone-derived parents from the 2010s production. We backcrossed twice to the dominant parent (BX2) to weld cut-specific traits into seed-stable form. Vigour and resin density run uniform across the population.
Stabilise the Grape OX cross into a seed-uniform line.
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.