
Copper Kush Feminised
Grow Copper Kush Feminised in Ireland. Hybrid genetics testing at 20% THC. Known for euphoric, calm effects. Ships discreetly nationwide with 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 2026-09-08 on 325 seeds at 21-24°C.
About Copper Kush Feminised
Growing Copper Kush 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 55-65 days 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: Copper Kush 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 Copper Kush 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
Copper Kush arrives in order. The first draw at 20% THC gives peppercorn heat that lands at the back of the throat. The euphoric, calm character follows in minutes, as head and body together. Thinking stays clear while the muscles let go by degrees, which is what makes the dose, rather than the genetics, the thing that decides the evening. Limonene underneath contributes a lift that stops it going heavy.
Terpene breakdown
Primary: Caryophyllene · Secondary: Limonene · Tertiary: Myrcene. Temperature decides how much of this profile survives. Low vaporisation at 180-188°C keeps limonene and myrcene audible over the caryophyllene; run it hotter, or burn it, and all three collapse into one note that is pleasant enough and tells you nothing.
Who it suits
Who does well with Copper Kush? 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 easy, 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

98 Aloha White Widow Feminised
Order 98 Aloha White Widow Feminised seeds online in Ireland. A quality hybrid cultivar at 20% THC delivering euphoric, creative, calm. Chosen for a short season and a damp finish. Fast shipping and a germination guarantee.

Afcrack Feminised
Grow Afcrack Feminised in Ireland. Hybrid genetics testing at 19% THC. Known for euphoric, creative, calm effects. Ships discreetly nationwide with sourced grow figures.

Biker Le Blanc Feminised
Order Biker Le Blanc Feminised seeds online in Ireland. A quality hybrid cultivar at 23% THC delivering euphoric, calm. Chosen for a short season and a damp finish. Fast shipping and a germination guarantee.

Blackberry Pie Feminised
Blackberry Pie Feminised — premium hybrid cannabis seeds suited to Irish growing conditions. 17% THC with euphoric, creative, calm effects. Discreet delivery across Ireland, with sourced grow figures on every strain page.
Copper Kush 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.
Copper Kush began life as a clone-only cut. Translating a clone into seed without losing the pack-to-pack uniformity demands backcrossing — we crossed our chosen pheno back to the parental line three times (BX3) to fix the elite mother into stable seed form.
Translate a clone-only modern hybrid cultivar to seed without losing the mother profile.
Chosen for hybrid frame, clean terpene expression and consistent yield across the population.
Royal King Genetics elite-cut archive — pollen from a maintained S1 line of the original elite mother.