Grape Soda Auto
Grape Soda Auto: indica cannabis seeds picked for South African conditions. 30% THC, with euphoric, creative, focused 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 2026-09-05 on 125 seeds.
About Grape Soda Auto
Days 1 to 14, seed to fourth node: Expect Grape Soda to crack in roughly 48 hours on damp paper towel and to break soil by day three. Early growth comes in low and wide — broad seed leaves first, then the dark fan leaves the indica side is known for. Four nodes by the end of week two, stacked close together. Damping off is rare if you hold near 70% humidity through this stage.
Weeks 3 to 6, building the frame: Top at the fourth node and the laterals take over fast. A 60 x 60 cm footprint filled by week five is normal, still under 40 cm tall, which is what makes this workable in a small tent.
Bloom, weeks 1 to 65: The 81/19 character becomes obvious here. Myrcene usually shows in week three and strengthens from there, with trichome cover visible without a loupe from about week five. Indoor yield: up to 300 g/m2. Height: Medium. Tested at 30% THC. Difficulty: intermediate.
The Aromatic Three
Leading with Myrcene, then Caryophyllene, and Linalool underneath.
Difficulty: intermediate. In flower for 55-65 days. Stands Medium. Indoors it returns up to 300 g/m2. Outdoors, up to 500 g/plant a plant.
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Grape Soda 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.
Grape Soda is our F5 autoflower line. Five rounds of selection have fixed both the autoflower trigger and the resin density the cultivar is known for. The recessive ruderalis trait demands this depth of work to express uniformly.
Reach auto trigger and finish-window uniformity for the Grape Soda pack.
Chosen for indica vigour, compact bud formation and a reliable finish window.
Royal King Genetics in-house breeder room — pollen taken from a generation-tracked sibling-male line.