
Arctic Sun Feminised
Arctic Sun Feminised: sativa cannabis seeds picked for South African conditions. 22% THC, with energetic, calm 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 2026-03-31 on 175 seeds.
About Arctic Sun Feminised
Will Arctic Sun handle a South African summer outdoors? Yes. Put this 24/76 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 ±66 days, placing harvest between March and May across most provinces.
What yield is realistic? 450 gr/m² indoors is reachable under decent LED with steady feeding. Outdoors, 450 grams a plant is normal in 50 litre pots or straight into prepared ground in full sun. At 22% 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.
Further Questions from South African Growers
Which medium suits it best? Depends what you are optimising for. Organic soil cut with 30% perlite and amended with bone meal, rock phosphate and kelp meal gives the fuller flavour, and all three are stocked by garden centres, agricultural co-ops and hydro shops countrywide. Coco under automated fertigation at EC 1.4-1.8 through bloom gives the bigger number. This sativa genetics performs in either.
Does it cope with real summer heat? Better than most things you could plant. An open canopy sheds heat on its own. Past 38°C you may see midday wilt, but it recovers within the hour once temperatures fall — 30% shade cloth takes the edge off the UV without costing you growth.
When do I switch to bloom feed? As soon as pistils show, not a fortnight later. The 24/76 genetics changes its demand sharply at the transition: phosphorus and potassium uptake rises while nitrogen demand falls away. Soil growers can top-dress with guano and sulphate of potash; coco and hydro growers should move to a low-N, high-PK formula immediately.
Indoors or outdoors? Indoors buys control over the ±66 days environment. Outdoors, across a September-to-May season, gives you sunlight intensity no LED at any price reproduces, and the full 450 grams. Difficulty: easy. In flower for ±66 days. Stands 90-120 cm. Medium. Indoors it returns 450 gr/m². Outdoors, 450 grams a plant.
Aroma, Flavour and Effect
The first thing Arctic Sun does at 22% THC is lift it with a bright, nearly effervescent citrus. The energetic, calm effects follow within minutes, as a sharpening rather than a lift: colour reads more saturated, music holds more detail, conversation wanders further than it would have. It runs two to three hours on a plateau instead of a peak, so nothing drops out from under you at the end. Pinene sits underneath all of it, adding an alertness that keeps thinking crisp.
The Aromatic Three
Leading with Limonene, then Pinene, and Terpinolene underneath. This trio turns up repeatedly in cultivars that win things, and it is why a jar of Arctic Sun tends to get a reaction the first time it is opened after curing. Limonene sets the anchor, pinene fills the middle, and terpinolene sits in the background doing the work that separates this from every other strain built on the same primary terpene.
Suitability and Recommendations
Who does well with Arctic Sun? Indoor growers who want the harvest date to be their decision. Outdoor growers who want to choose the moment flowering starts. Anyone with the room and the patience to veg it properly before flipping. It is rated easy, which in practice means a moderate learning curve that rewards attention without needing laboratory conditions. Sent nationwide in plain, unbranded packaging, with sourced grow data on every strain page.
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Arctic Sun 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.
Arctic Sun 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.
Pin high-energy terpene expression consistency across the Arctic Sun population.
Chosen for trichome density, sativa branching architecture and an energising terpene expression.
Royal King Genetics select-mother programme — pollen drawn from an internally maintained reversed-female line.