
Romulan Feminised
Order Romulan Feminised seeds online in Ireland. A quality indica cultivar at 20% THC delivering happy, relaxed, sleepy. 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 2026-09-09 on 300 seeds at 20-23°C.
About Romulan Feminised
Growing Romulan in Ireland is a question of rain and wind rather than of heat or latitude. The whole island runs temperate oceanic, so nowhere is meaningfully warmer than anywhere else — what changes as you move west is how many wet days land on the plant while it is in flower. Outdoors that makes bud structure and the 8 weeks of bloom the two things worth reading before anything else, because a dense cola and a wet October are a poor combination. Under a tunnel or under lights the argument disappears: Romulan is then judged on its genetics and on nothing else.
Growing it on this island
The pressures here are consistent and they are nearly all about water. Botrytis in dense flower from September onwards is the first, and it is answered with open structure, moving air and a roof — not with anything sprayed on afterwards. Indoors, spider mite and thrips arrive the way they always do, and humidity above 60% in late bloom is what turns a manageable problem into a lost room. Outdoors in a wet spring the slugs do more damage to seedlings than every insect on the plot, and they do it in a single night.
A polytunnel changes the arithmetic on Romulan more than any other single purchase. It adds a fortnight at both ends of the season, keeps the rain off the flower during the weeks that matter, and turns a marginal outdoor crop into a reliable one.
What Romulan is like in practice
The catalogue lists happy, relaxed, sleepy, and that matches what growers here report back. At 20% THC this indica sits where the dose is the whole question. One bowl through a vaporiser at 185°C leaves the head working and the body easy, which is what most people are after on a weeknight. More than that moves it firmly towards sedation. The Myrcene and Humulene together leave earth and faint sweetness, with fruit at the end.
Suited to evenings in, recovery after work, and the hour before sleep.
Terpene breakdown
Primary: Myrcene · Secondary: Humulene · Tertiary: Linalool. Temperature decides how much of this profile survives. Low vaporisation at 180-188°C keeps humulene and linalool audible over the myrcene; run it hotter, or burn it, and all three collapse into one note that is pleasant enough and tells you nothing.
Who it suits
Romulan 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 weeks fits inside the season here for outdoor growers, with a tunnel making it comfortable rather than tight.
Effects
Best For
Strain Type
No verified indica/sativa split published for this cultivar.
Strain Data Sheet
Packaging
Feminised Premium
Seeds
authenticity
lining
number
Related Strains

Cream Caramel Feminised
Order Cream Caramel Feminised seeds online in Ireland. A quality indica cultivar at 18% THC delivering focused, calm. Chosen for a short season and a damp finish. Fast shipping and a germination guarantee.

Candy Cream Feminised
Candy Cream Feminised — premium indica cannabis seeds suited to Irish growing conditions. 24% THC with euphoric, uplifted, calm effects. Discreet delivery across Ireland, with sourced grow figures on every strain page.

501st OG Feminised
501st OG Feminised — premium indica cannabis seeds suited to Irish growing conditions. 18% THC with relaxed, sleepy, happy effects. Discreet delivery across Ireland, with sourced grow figures on every strain page.

Afpak Feminised
Afpak Feminised cannabis seeds for Irish growers. Indica strain · 22% THC · relaxed, sleepy, happy. Discreet packaging, nationwide delivery, sourced grow figures.
Romulan 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.
Romulan 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 Romulan through filial selection.
Chosen for indica vigour, compact bud formation and a reliable finish window.
Royal King Genetics in-house mother stock — pollen taken from a sibling male drawn from the same selected pheno population.