Alaska Thunderfuck Auto
Alaska Thunderfuck Auto: hybrid cannabis seeds picked for South African conditions. 22% THC, with energetic, euphoric, 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 2026-09-23 on 325 seeds.
About Alaska Thunderfuck Auto
The way to plan Alaska Thunderfuck is backwards from the day you intend to cut, with 500g/m2 per square metre indoors and 850g/plant per plant outdoors as the figures you are working toward, at 22% THC. Count 55-65 days back from that date and you have your flip date. Weight comes on evenly across 55-65 days, with a late surge that punishes impatience. The 50/50 balance gives you stacking density and broad trichome cover together. Outdoors, late March to late April is the sweet spot — after the summer humidity has broken, before the first Highveld frost.
The Aromatic Three
Leading with Limonene, then Caryophyllene, and Linalool underneath.
Difficulty: intermediate. In flower for 55-65 days. Stands Tall. Indoors it returns 500g/m2. Outdoors, 850g/plant a plant.
Effects
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Alaska Thunderfuck 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.
Five generations of selection on Alaska Thunderfuck to lock the autoflower trait. Auto trigger reliability and trichome production expression both run uniform across the population — no rogue photoperiod plants in the pack.
Lock the autoflower trait in Alaska Thunderfuck through five generations of selection.
Chosen for trichome density, bud structure and the hybrid trait balance the cross was engineered for.
Royal King Genetics breeding facility — pollen from internally selected sibling males of the recurrent parent.