Dark Star cannabis seeds packaging — Royal King Seeds Ireland
Indica
THC 19%
🌙 Sleep Aid
IndicaFeminisedIn Stock

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.

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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 425 seeds at 21-24°C.

Germination rate: 97.2% (n=425)
Last QC test date: 2026-09-08
Indoor yield: 477-640 g/m² (avg across 9 verified grower reports)
Outdoor yield, Ireland: 453-682 g/plant (avg across 8 verified grower reports)

About Dark Star Feminised

Everything about Dark Star at harvest follows from one decision, which is when you stop. The figures are 400-500 g/m2 indoors and 500-600g/plant outdoors, with resin filling towards 19% THC. Weight arrives late on a plant this indica-leaning — the 100/50 split stacks calyxes hard through the middle weeks and then thickens them. Growers who cut on the calendar rather than the glass lose that last stage, and it is the most valuable one.

Where the weight is won

Three parts of the 9 weeks of bloom account for most of the difference between a good result and an average one on a plant rated 400-500 g/m2 indoors and 500-600g/plant outdoors.

The stretch, days 1-10 after the flip. Canopy height set here decides how evenly light lands for the rest of the run. Twenty to thirty per cent is typical; taking the lowest fans around day seven pushes energy up to the sites that will finish.

Weeks three to five. Caryophyllene production climbs through this stretch and responds to a 6-8°C gap between lights-on and lights-off. Outdoors an Irish September provides that without help; indoors it has to be built, at roughly 25°C by day and 18-20°C at night. Bloom feed goes potassium-forward around EC 1.6-1.8.

The final fortnight. Feeding stops, plain pH-corrected water goes on, and the loupe comes out daily. Fifteen to twenty per cent amber suits the weight of effect this one is grown for. Outdoors, that falls between late September and mid-October, and the forecast gets a say.

Flowering: 9 weeks. Indoor yield: 400-500 g/m2. Outdoor yield: 500-600g/plant. Plant height: 120cm - 140cm. Rated moderate difficulty.

Flavour, aroma and effect

Dark Star arrives in order. The first draw at 19% THC gives peppercorn heat that lands at the back of the throat. The euphoric, relaxed, 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. Temperature decides how much of this profile survives. Low vaporisation at 180-188°C keeps myrcene and bisabolol 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 Dark Star? 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 moderate, which means a moderate learning curve that rewards attention without needing specialist kit.

Effects

🤗Euphoric
74% of people reported feeling Euphoric
😌Relaxed
65% of people reported feeling Relaxed
😴Sleepy
65% of people reported feeling Sleepy
😊Happy
51% of people reported feeling Happy
🤤Hungry
48% of people reported feeling Hungry
🧘Calm
40% of people reported feeling Calm
🌿Stress Relief
27% of people reported feeling Stress Relief
💆Body High
24% of people reported feeling Body High
😶‍🌫️Sedated
21% of people reported feeling Sedated

Best For

✦ Evening
✦ Insomnia
✦ Pain
✦ Stress

Strain Type

No verified indica/sativa split published for this cultivar.

Strain Data Sheet

🧬THC19% - 23% (Medium-High)
🌿LineagePurple Kush × Mazar I Sharif
🔬TypeFeminised Indica
🌡ClimateCool–temperate / continental
📅HarvestSept – Nov, S. hemisphere (typical)
📏Height120cm - 140cm
⚖️YieldMedium – High
🏠Yield Indoor400-500 g/m2
🌳Yield Outdoor500-600g/plant
⏱Flowering Time9 weeks

Packaging

Resealable +
RK
Royal King Seeds
Photoperiod
Feminised Premium
Seeds
Premium Genetics
Protective vial
Resealable +
Royal King Seeds supplies seeds as adult novelty collectibles and for genetic preservation. Purchasers are responsible for complying with the law where they live.
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Dark Star Feminised
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Dark Star Feminised — Breeder Information

Royal King Genetics

Bred 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.

Stabilisation Level
BX2
Generations
3+
Breeding Programme
Two-Generation Backcross Programme — recurrent-parent fixing
Stabilisation Notes — What This Means for Your Grow

A modern late-2010s hybrid carrying at least one clone-only parent. BX2 is the right stabilisation point: two rounds of backcross fix the parent-cut traits without narrowing the population too far.

Breeding Goal

Pin the trichome saturation that came out of the original Dark Star cross.

Selection Focus

Chosen for purple/dark expression where it shows, dense bud structure and a true indica relaxation profile.

Pollen / Mother Source

Royal King Genetics breeding facility — pollen from internally selected sibling males of the recurrent parent.

Last Batch QC Verified
13 September 2026· 99%+ germination