Extreme OG Feminised
Extreme OG Feminised: indica cannabis seeds picked for South African conditions. 27% THC, with relaxed, sleepy, happy the effects most often reported. Posted discreetly countrywide.
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 2026-09-21 on 500 seeds.
About Extreme OG Feminised
The way to plan Extreme OG is backwards from the day you intend to cut, with up to 350 g/m2 per square metre indoors and up to 400 g/plant per plant outdoors as the figures you are working toward, at 27% THC. Count 55-65 days 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: intermediate. In flower for 55-65 days. Stands Short. Indoors it returns up to 350 g/m2. Outdoors, up to 400 g/plant a plant.
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Extreme OG 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.
A recent-era clone-only original brought to seed via a three-generation backcross programme. Vigour, terpene character and tight finish window are all locked. The pack runs true to the cut your mate grew off a clone last season.
Reproduce the original Extreme OG mother in pack-to-pack seed stock.
Chosen for indica vigour, compact bud formation and a reliable finish window.
Royal King Genetics in-house mother stock — pollen taken from a sibling male drawn from the same selected pheno population.