
Swiss Feminised
Swiss Feminised cannabis seeds for Irish growers. Indica strain · 24% THC · relaxed, sleepy, happy. Discreet packaging, nationwide delivery, sourced grow figures.
Royal King Genetics — first-party test batch
Figures below are from our internal seed-lot QC and verified Irish grower submissions, not breeder marketing. Determined from a single batch tested 2026-09-20 on 450 seeds at 21-24°C.
About Swiss Feminised
Does Swiss finish outdoors in Ireland? It does, planted out at the end of May and cut by early October. A compact 72/28 plant is easier to shelter and easier to hide, though the density that makes it worth growing is also what holds water after rain. Bloom takes 7–9 weeks, so the harvest date is set by the calendar far more than by your technique.
What should I expect to take off it? 400–500 g/m² indoors and 400–600 g/plant outdoors are the published figures, and both assume a full light or a full season plus a root run to match. A tunnel gets you most of the way to the outdoor number; a windowsill will not. At 24% THC the effort is well spent either way.
Is it a sensible first grow? Reasonably. Anyone who has finished one grow will manage this one; it asks for consistency rather than expertise.
Other questions that come up about Swiss
Soil or coco? Coco with fertigation at EC 1.4-1.8 through bloom if you are there daily and want speed. Peat-free soil with slow amendments — fish, blood and bone, seaweed meal, rock phosphate — if you are not, and want flavour. Both suit this indica; the deciding factor is your week, not the plant.
How does it handle the weather here? The dense canopy shades itself, which is useful on the handful of genuinely warm days and a liability in a wet week. Mulch the root zone, water early, and keep air moving underneath.
When does bloom feed start? Within a week of the first pistils. The 72/28 balance shifts demand quickly at the transition — phosphorus and potassium up, nitrogen down. Soil growers top-dress; coco and hydro switch formula immediately.
Tunnel, outdoors or indoors? A tunnel is the best value of the three here. Indoors you own the 7–9 weeks of bloom completely; outdoors the plant gets light no lamp matches and can reach 400–600 g/plant, and pays for it in rain. Flowering: 7–9 weeks. Indoor yield: 400–500 g/m². Outdoor yield: 400–600 g/plant. Plant height: 70–110 cm. Rated easy difficulty.
Flavour, aroma and effect
Swiss arrives in order. The first draw at 24% THC gives peppercorn heat that lands at the back of the throat. The relaxed, sleepy, happy character follows in minutes, as weight behind the eyes that works down through the shoulders. By a quarter of an hour it reads as physical stillness rather than sedation — a strong disinclination to stand up. Two to three hours at a sensible dose. Myrcene underneath contributes depth beneath the rest.
Terpene breakdown
Primary: Caryophyllene · Secondary: Myrcene · Tertiary: Bisabolol. Temperature decides how much of this profile survives. Low vaporisation at 180-188°C keeps myrcene and bisabolol audible over the caryophyllene; run it hotter, or burn it, and all three collapse into one note that is pleasant enough and tells you nothing.
Who it suits
Who does well with Swiss? Indoor growers who want to choose their own timeline. Tunnel growers who want to decide when flowering starts rather than letting August decide it. Anyone with the space to veg it properly first. Rated easy, which means a moderate learning curve that rewards attention without needing specialist kit.
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Swiss Feminised — Breeder Information
Royal King GeneticsBred and stabilised in-house by Royal King Genetics — our internal breeding team. Every batch is QC'd and germ-tested above 99% before it ships. Read the full breeding process and about page.
Swiss has been progressed through four generations of phenotype hunting and selection. Vigour, trichome saturation and finishing time are all locked across the pack — every plant performs to the spec sheet.
Pin trichome saturation consistency across the Swiss population.
Chosen for resin output, a low-slung stature and a clean indica terpene fingerprint.
Royal King Genetics in-house mother stock — pollen taken from a sibling male drawn from the same selected pheno population.