
Pineapple Mayhem Feminised
Pineapple Mayhem Feminised — premium sativa cannabis seeds suited to Irish growing conditions. 16% THC with euphoric, focused, calm effects. Discreet delivery across Ireland, with sourced grow figures on every strain page.
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 2026-09-21 on 125 seeds at 20-23°C.
About Pineapple Mayhem Feminised
Everything about Pineapple Mayhem at harvest follows from one decision, which is when you stop. The figures are 600 - 800 gr/plant indoors and 600-800 g/plant outdoors, with resin filling towards 16% THC. A 11/89 plant lays its weight down gradually instead of in a rush, so there is no single fattening window to aim at. The temptation in an Irish September is to cut early because the forecast looks poor; that costs more than the weather would have.
Where the weight is won
Three parts of the 8-9 weeks (56-63 days) of bloom account for most of the difference between a good result and an average one on a plant rated 600 - 800 gr/plant indoors and 600-800 g/plant outdoors.
The stretch, days 1-10 after the flip. Canopy height set here decides how evenly light lands for the rest of the run. Half again on top of veg height is normal. Supercrop anything that breaks the line inside the first week, or you spend the remaining weeks lighting one branch properly.
Weeks three to five. Terpinolene production climbs through this stretch and responds to a 6-8°C gap between lights-on and lights-off. Outdoors an Irish September provides that without help; indoors it has to be built, at roughly 25°C by day and 18-20°C at night. Bloom feed goes potassium-forward around EC 1.6-1.8.
The final fortnight. Feeding stops, plain pH-corrected water goes on, and the loupe comes out daily. Five to ten per cent amber keeps the clarity intact. Outdoors, that falls between late September and mid-October, and the forecast gets a say.
Flowering: 8-9 weeks (56-63 days). Indoor yield: 600 - 800 gr/plant. Outdoor yield: 600-800 g/plant. Plant height: up to ~110 cm. Rated intermediate difficulty.
What Pineapple Mayhem is like in practice
The catalogue lists euphoric, focused, calm, and that matches what growers here report back. At 16% THC this sativa sits where there is a usable window rather than a cliff. At 175-185°C the first effect is lift and mental energy, which suits company, a long walk, or work that benefits from it. The body stays light, so it is a genuine daytime option for anyone with a tolerance. The Terpinolene and Limonene together leave a finish that keeps shifting across a session.
Suited to company, creative work, and getting out of the house.
Terpene breakdown
Primary: Terpinolene · Secondary: Limonene · Tertiary: Ocimene. This is a combination that turns up repeatedly in cultivars people rate, and it is usually what gets commented on when a jar is opened for the first time after a proper cure. Terpinolene anchors it, limonene holds the middle, and ocimene sits behind both — the last of those being what separates this from other strains leading on the same terpene.
Who it suits
Pineapple Mayhem suits growers with the fundamentals in place. Understand pH, rough nutrient ratios and a light cycle before committing to it; it asks for competence rather than expertise. Photoperiod genetics leave plant size and harvest date under your control — veg longer for a bigger plant, or flip early when the ceiling is low. A bloom of 8-9 weeks (56-63 days) fits inside the season here for outdoor growers, with a tunnel making it comfortable rather than tight.
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Pineapple Mayhem 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.
Pineapple Mayhem 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.
Cull off-type phenos in Pineapple Mayhem through filial selection.
Chosen for vigour, manageable stretch and the cerebral terpene profile sativa growers buy this strain for.
Royal King Genetics in-house breeder room — pollen taken from a generation-tracked sibling-male line.