
Blue Princess Feminised
Order Blue Princess Feminised seeds online in Ireland. A quality sativa cultivar at 18% THC delivering happy, energetic, creative. Chosen for a short season and a damp finish. Fast shipping and a germination guarantee.
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 2026-09-05 on 325 seeds at 20-23°C.
About Blue Princess Feminised
Days 1-14, germination and early veg. Blue Princess generally cracks within about two days on damp kitchen paper and is above the medium by day three. The first fortnight came in quick and reaching, narrow leaves angled up from the start. Five nodes by day 14 with real space between them, which tells you what is coming after the flip. Keep the humidity near 70% and damping off stops being a concern.
Weeks 3-6, veg. It wanted to climb. Low-stress training from week three was not enough on its own, so the main stem went over at a right angle in week four and the secondaries levelled up behind it.
Bloom, weeks 1-9. The 5/95 character came through clearly. Terpinolene was noticeable by week three and kept building; resin was obvious without a loupe from about week five. Indoor yield: 350–450 g/m². Height: 170–210 cm. Tested at 18%. Rated intermediate.
The rest of the run
Weeks 4-6, mid-bloom. Loose clusters from week three closed up into defined colas. Buds kept extending rather than thickening, stacking calyxes along the stems. The lower sites did better than expected, because an open plant lets light reach places a bushy one shades out.
Ripening, weeks 7-9. Plain water for the last ten days. Terpinolene was strong enough by then that carbon filtration was not optional in a terraced house. Heads went clear to milky over the final fortnight, amber showing on sugar leaves first, and around 15% amber on the calyxes is a defensible place to stop.
Drying and curing. Hung whole in the dark at 17°C and 58% humidity for twelve days, both held by a dehumidifier because an October room here will hold neither. Stems snapped instead of bending, which is the only test worth trusting. Four weeks in glass after that. The 350–450 g/m² figure held up. Limonene was far more present after the cure than at harvest — the cure makes flavour, it does not merely preserve it.
Flowering: 7–9 weeks. Indoor yield: 350–450 g/m². Outdoor yield: 400–600 g/plant. Plant height: 170–210 cm. Rated intermediate difficulty. Feminised seeds.
What Blue Princess is like in practice
The catalogue lists happy, energetic, creative, and that matches what growers here report back. At 18% 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. The three shift relative to each other across the cure. Straight off the dry the terpinolene dominates; three or four weeks sealed in glass at 16-18°C and the ocimene underneath comes up to meet it. Vaporising between 180°C and 195°C catches the widest span, because heat takes the lighter ocimene molecules first.
Who it suits
Blue Princess 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 7–9 weeks fits inside the season here for outdoor growers, with a tunnel making it comfortable rather than tight.
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Blue Princess 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.
Blue Princess sits in advanced filial refinement (F3). Trait expression is consistent across the pack with the minor pheno-to-pheno variation that is typical at this stage. Active selection continues toward F4.
Reach trait homogeneity in Blue Princess through advanced filial refinement.
Chosen for trichome density, sativa branching architecture and an energising terpene expression.
Royal King Genetics breeding facility — pollen from internally selected sibling males of the recurrent parent.