Rainbow Feminised
Rainbow Feminised for South African growers — sativa genetics at 20% THC, reported as euphoric, happy, uplifted. 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 2026-09-16 on 200 seeds.
About Rainbow Feminised
Will Rainbow handle a South African summer outdoors? Yes. Put this 30/70 sativa in the ground between September and November and you will be cutting from March to May. It will stretch, and it will use every hour of a long summer day, so give it room early rather than trying to contain it later. Bloom runs 8-9 weeks, placing harvest between March and May across most provinces.
What yield is realistic? 500-600 g/m2 indoors is reachable under decent LED with steady feeding. Outdoors, 600-800 g/plant a plant is normal in 50 litre pots or straight into prepared ground in full sun. At 20% THC with limonene 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 Limonene, then Terpinolene, and Pinene underneath.
Difficulty: moderate. In flower for 8-9 weeks. Stands 120 cm. Indoors it returns 500-600 g/m2. Outdoors, 600-800 g/plant a plant.
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Rainbow 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 newer late-2010s cross still being actively stabilised. F3 means three rounds of selection — the high-energy terpene expression is locked across the bulk of the pack, with a small variant subset under continued cull.
Cull off-type phenos in Rainbow at F3 to lock the cross profile.
Chosen for vigour, manageable stretch and the cerebral terpene profile sativa growers buy this strain for.
Royal King Genetics breeding facility — pollen from internally selected sibling males of the recurrent parent.