Big Devil Auto
A hybrid testing at 18% THC, Big Devil Auto is reported euphoric, creative, energetic. 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 2026-09-11 on 250 seeds.
About Big Devil Auto
South Africa is really two growing countries, and Big Devil does not behave the same way in both. North and east of the escarpment the rain arrives in summer, so this 44/56 hybrid does its flowering while the air is still heavy; in the Western Cape the rain comes in winter, so the same plant ripens through a dry autumn instead. A 44/56 split travels better than either parent across a country running from subtropical coast to semi-desert. The canopy sits open enough to survive a humid KwaZulu-Natal autumn and dense enough to still look the part after a dry Karoo summer. At 18% THC with caryophyllene leading, what changes between a Johannesburg rooftop and a Cape smallholding is the schedule rather than the result.
The Aromatic Three
Leading with Caryophyllene, then Limonene, and Myrcene underneath.
Difficulty: beginner. In flower for 9 weeks seed to harvest. Stands 100-150 cm. Indoors it returns 400-550 g/m2. Outdoors, 40-250 g/plant a plant.
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Big Devil Auto — 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.
Big Devil is an autoflowering line that has been progressed through five rounds of Royal King Genetics autoflower stabilisation. The autoflower trait is recessive — fixing it takes multi-generation work — and at F5 the auto trigger and finish window are welded across the pack.
Reach auto trigger and finish-window uniformity for the Big Devil pack.
Chosen for hybrid frame, clean terpene expression and consistent yield across the population.
Royal King Genetics in-house breeder room — pollen taken from a generation-tracked sibling-male line.