
G13 Feminised
G13 Feminised cannabis seeds for Irish growers. Indica strain · 20-24% THC · relaxed, euphoric, sleepy. 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 2026-09-22 on 150 seeds at 21-24°C.
About G13 Feminised
Growing G13 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 8-10 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: G13 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 G13 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.
Flavour, aroma and effect
G13 arrives in order. The first draw at 20-24% THC gives peppercorn heat that lands at the back of the throat. The relaxed, euphoric, sleepy 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. The three shift relative to each other across the cure. Straight off the dry the caryophyllene dominates; three or four weeks sealed in glass at 16-18°C and the bisabolol underneath comes up to meet it. Vaporising between 180°C and 195°C catches the widest span, because heat takes the lighter bisabolol molecules first.
Who it suits
Who does well with G13? 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 medium, which means a moderate learning curve that rewards attention without needing specialist kit.
Effects
Best For
Strain Type
Strain Data Sheet
Packaging
Feminised Premium
Seeds
authenticity
lining
number
Related Strains

Granddaddy Purple Feminised
Grow Granddaddy Purple Feminised in Ireland. Indica genetics testing at 17-23% THC. Known for relaxed, sleepy, euphoric effects. Ships discreetly nationwide with sourced grow figures.

Deep Purple Feminised
Deep Purple Feminised cannabis seeds for Irish growers. Indica strain · 17% THC · euphoric, relaxed, sleepy. Discreet packaging, nationwide delivery, sourced grow figures.

Cherry Kush Feminised
Cherry Kush Feminised cannabis seeds for Irish growers. Indica strain · 18% THC · euphoric, relaxed, sleepy. Discreet packaging, nationwide delivery, sourced grow figures.

Dark Star Feminised
Grow Dark Star Feminised in Ireland. Indica genetics testing at 19% THC. Known for euphoric, relaxed, sleepy effects. Ships discreetly nationwide with sourced grow figures.
G13 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.
A heritage cultivar that we have taken through five rounds of inbred selection. The 1990s heritage reference profile — terpene fingerprint, finishing window, plant frame — has been welded into the population. Every seed in the pack carries the trait set that put G13 on the map.
Strip out pheno drift while preserving the heritage trichome saturation.
Chosen for indica vigour, compact bud formation and a reliable finish window.
Royal King Genetics in-house breeder room — pollen taken from a generation-tracked sibling-male line.