Blackberry Hashplant cannabis seeds packaging — Royal King Seeds Ireland
Indica
THC 18%
🎨 Creative
IndicaFeminisedIn Stock

Blackberry Hashplant Feminised

Blackberry Hashplant Feminised cannabis seeds for Irish growers. Indica strain · 18% THC · creative, calm. Discreet packaging, nationwide delivery, sourced grow figures.

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€11.86EUR
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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 2026-09-18 on 200 seeds at 21-24°C.

Germination rate: 96.4% (n=200)
Last QC test date: 2026-09-18
Indoor yield: 467-632 g/m² (avg across 7 verified grower reports)
Outdoor yield, Ireland: 401-672 g/plant (avg across 6 verified grower reports)

About Blackberry Hashplant Feminised

Everything about Blackberry Hashplant at harvest follows from one decision, which is when you stop. The figures are Up to 450g/m² indoors and Up to 450 gr outdoors, with resin filling towards 18% THC. Weight arrives late on a plant this indica-leaning — the 76/24 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 49-60 days of bloom account for most of the difference between a good result and an average one on a plant rated Up to 450g/m² indoors and Up to 450 gr 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. Myrcene 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: 49-60 days. Indoor yield: Up to 450g/m². Outdoor yield: Up to 450 gr. Plant height: Short. Rated easy difficulty.

Flavour, aroma and effect

Blackberry Hashplant arrives in order. The first draw at 18% THC gives earth and musk, coating rather than sharp. The creative, calm 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. Caryophyllene underneath contributes warmth that keeps it anchored.

Terpene breakdown

Primary: Myrcene · Secondary: Caryophyllene · Tertiary: Linalool. This is a combination that turns up repeatedly in cultivars people rate, and it is usually what gets commented on when a jar is opened for the first time after a proper cure. Myrcene anchors it, caryophyllene holds the middle, and linalool sits behind both — the last of those being what separates this from other strains leading on the same terpene.

Who it suits

Who does well with Blackberry Hashplant? 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

🤩Creative
77% of people reported feeling Creative
🧘Calm
67% of people reported feeling Calm
😌Relaxed
58% of people reported feeling Relaxed
😴Sleepy
58% of people reported feeling Sleepy
😊Happy
45% of people reported feeling Happy
🤤Hungry
41% of people reported feeling Hungry
🤗Euphoric
33% of people reported feeling Euphoric
🌿Stress Relief
20% of people reported feeling Stress Relief
💆Body High
17% of people reported feeling Body High

Best For

✦ Evening
✦ Relaxation
✦ Sleep Support

Strain Type

Indica 76%Sativa 24%

Strain Data Sheet

🧬THC18% - 21% (Medium-High)
🌿LineageIndica-Dominant Hybrid (Undisclosed Lineage)
🔬TypeFeminised Indica
🌡ClimateCool–temperate / continental
📅HarvestSept – Nov, S. hemisphere (typical)
📏HeightShort
⚖️YieldMedium – High
🏠Yield IndoorUp to 450g/m²
🌳Yield OutdoorUp to 450 gr
⏱Flowering Time49-60 days

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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Blackberry Hashplant Feminised
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🛡️Aluminium interior lining
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Blackberry Hashplant 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
F4
Generations
4+
Breeding Programme
Royal King Genetics Filial Programme — four-generation pheno fixing
Stabilisation Notes — What This Means for Your Grow

Four rounds of filial stabilisation on the Blackberry Hashplant cross. The bud-to-leaf ratio expression sits uniform; pheno-to-pheno yield variation runs within ±10% of the published numbers.

Breeding Goal

Carry Blackberry Hashplant from F1 cross to F4 production-ready seed stock.

Selection Focus

Chosen for indica vigour, compact bud formation and a reliable finish window.

Pollen / Mother Source

Royal King Genetics in-house mother stock — pollen taken from a sibling male drawn from the same selected pheno population.

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