Black Tuna Feminised
Black Tuna Feminised for South African growers — indica genetics at 26% THC, reported as creative, focused, 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 2026-09-18 on 250 seeds.
About Black Tuna Feminised
Will Black Tuna handle a South African summer outdoors? Yes. Put this 74/26 indica in the ground between September and November and you will be cutting from March to May. It stays low enough not to clear a boundary wall, and the short frame carries more weight than its size suggests. Bloom runs 50-60 days, placing harvest between March and May across most provinces.
What yield is realistic? up to 350 g/m2 indoors is reachable under decent LED with steady feeding. Outdoors, up to 200 g/plant a plant is normal in 50 litre pots or straight into prepared ground in full sun. At 26% THC with linalool in front, the return on effort is good.
How much can go wrong before it shows? Some. Anyone who understands pH, a feeding schedule and a light cycle will be fine. Neglect it entirely and it will suffer, but a single missed watering will not undo the grow.
The Aromatic Three
Leading with Linalool, then Myrcene, and Caryophyllene underneath.
Difficulty: easy. In flower for 50-60 days. Stands Short. Indoors it returns up to 350 g/m2. Outdoors, up to 200 g/plant a plant.
Effects
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At a Glance
In the Packet
Feminised Premium
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Black Tuna 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.
Black Tuna runs through our F4 programme. Four cycles of phenotype selection have removed the worst of the trait variation; what is left is a tight, predictable population for production.
Stabilise the Black Tuna cross over four selection rounds.
Chosen for trichome coverage, stout structure and consistent flowering time across the pack.
Royal King Genetics elite-cut archive — pollen from a maintained S1 line of the original elite mother.