
Sierra Mist Feminised
Order Sierra Mist Feminised seeds online in Ireland. A quality hybrid cultivar at 16% THC delivering creative, uplifted. 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 2026-09-17 on 325 seeds at 20-23°C.
About Sierra Mist Feminised
Sierra Mist carries myrcene as its lead note: damp earth and something sweet gone slightly over, the smell of a hedgerow in late August. Limonene sits beneath it and shows up second, sharp enough to stop the whole thing turning heavy. The plant tests at 16% THC across a 39/61 split, though what decides whether any of this reaches the jar is the cure, not the seed.
Growing it for aroma
Growing Sierra Mist for terpene expression and growing it for weight are not the same project, and it is worth deciding which one you are on. The Myrcene/Limonene/Pinene profile does its best work in living soil, where the biology produces compounds a bottle does not contain. Good peat-free compost and worm castings are available in any garden centre here, which makes that approach far less specialist than it sounds.
Stop foliar spraying after the second week of bloom. Anything that lands on a developing trichome is still there at harvest and is tasted rather than seen. In the last three weeks the night temperature decides which terpenes lead: held at 16-18°C the myrcene comes forward, while a warmer finish protects the lighter pinene notes.
Then the cure, which is where Irish growers lose most of what they built. A ten to fourteen day hang wants 17°C and something near 58% humidity, and the ambient air here will not supply either for most of the year — a closed room and a small dehumidifier will. Into glass afterwards, burped twice daily for a fortnight. The limonene layer arrives somewhere in weeks three and four, not before.
Flowering: 55-65 days. Indoor yield: up to 500 g/m2. Outdoor yield: up to 550 g/plant. Plant height: Medium (150-245 cm). Rated moderate difficulty.
What Sierra Mist is like in practice
The catalogue lists creative, uplifted, and that matches what growers here report back. At 16% THC this hybrid sits where the balance is the argument for it. Small doses stay functional, larger ones relax properly, and the 39/61 split means the direction is set by the amount rather than fixed by the plant. The Myrcene and Limonene together leave earth and faint sweetness, with fruit at the end.
Suited to most occasions, with the dose doing the steering.
Terpene breakdown
Primary: Myrcene · Secondary: Limonene · Tertiary: Pinene. The three shift relative to each other across the cure. Straight off the dry the myrcene dominates; three or four weeks sealed in glass at 16-18°C and the pinene underneath comes up to meet it. Vaporising between 180°C and 195°C catches the widest span, because heat takes the lighter pinene molecules first.
Who it suits
Sierra Mist 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 55-65 days fits inside the season here for outdoor growers, with a tunnel making it comfortable rather than tight.
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Sierra Mist 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.
Sierra Mist 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.
Cull off-type phenos in Sierra Mist at F3 to lock the cross profile.
Chosen for terpene profile, vigour, structure and finish-time consistency.
Royal King Genetics select-mother programme — pollen drawn from an internally maintained reversed-female line.