
Blackberry Hashplant Feminised
Blackberry Hashplant Feminised: indica cannabis seeds picked for South African conditions. 18% THC, with creative, calm the effects most often reported. Posted discreetly countrywide.
Royal King Genetics — Seed-Lot Testing
Figures below come from our own seed-lot testing rather than breeder marketing, taken from a single batch tested 2026-03-03 on 300 seeds.
About Blackberry Hashplant Feminised
The way to plan Blackberry Hashplant is backwards from the day you intend to cut, with Up to 450g/m² per square metre indoors and Up to 450 gr per plant outdoors as the figures you are working toward, at 18% THC. Count 49-60 days back from that date and you have your flip date. Most of the final weight lands between weeks 5 and 8, when calyxes stack fastest and trichome cover goes from patchy to complete. Outdoors in the Southern Hemisphere you want that fattening phase falling in February while the days are still long, which puts a late-March cut about right for most of the country.
Where the Weight Actually Comes From
Yield on Blackberry Hashplant — the Up to 450g/m² indoors and Up to 450 gr outdoors quoted above — is decided in three short stretches of the 49-60 days bloom rather than evenly across it.
The first ten days after the flip. Whatever stretch happens here sets your canopy, and an uneven canopy wastes light for the remainder of the grow. Stretch is modest at 20-30%. Strip the lower fan leaves around day seven and that energy goes into bud sites instead.
Weeks three to five. This is when myrcene production climbs, and it answers to the gap between day and night temperature rather than to either number on its own. Keep at least 6-8°C between them. Outdoor growers in the interior provinces get that swing free in March and April; indoors, aim for 25-26°C lights-on against 18-20°C lights-off, with potassium-led bloom feed at EC 1.6-1.8.
The last ten to fourteen days. Stop feeding, flush with pH-corrected water, and read trichomes daily under a 60x loupe. Cut at 15-20% amber for the heavy end of what this genetics does. Outdoors that usually lands between late March and mid-April.
Difficulty: easy. In flower for 49-60 days. Stands Short. Indoors it returns Up to 450g/m². Outdoors, Up to 450 gr a plant.
Aroma, Flavour and Effect
The first thing Blackberry Hashplant does at 18% THC is coat the palate with a deep, musky earthiness. The creative, calm effects follow within minutes, starting as weight behind the eyes and working down through the shoulders and limbs. Fifteen minutes in there is a physical stillness — not sedation so much as a disinclination to get up. Two to three hours at a moderate dose. Caryophyllene sits underneath all of it, adding a grounding warmth that keeps the whole thing anchored.
The Aromatic Three
Leading with Myrcene, then Caryophyllene, and Linalool underneath. This trio turns up repeatedly in cultivars that win things, and it is why a jar of Blackberry Hashplant tends to get a reaction the first time it is opened after curing. Myrcene sets the anchor, caryophyllene fills the middle, and linalool sits in the background doing the work that separates this from every other strain built on the same primary terpene.
Suitability and Recommendations
Who does well with Blackberry Hashplant? Indoor growers who want the harvest date to be their decision. Outdoor growers who want to choose the moment flowering starts. Anyone with the room and the patience to veg it properly before flipping. It is rated easy, which in practice means a moderate learning curve that rewards attention without needing laboratory conditions. Sent nationwide in plain, unbranded packaging, with sourced grow data on every strain page.
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Blackberry Hashplant Feminised — Breeder Information
Royal King GeneticsRecreated and stabilised by Royal King Genetics , the breeding team behind this catalogue. Seed lots are germination-tested before they ship. More on the breeding process and about page.
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.
Carry Blackberry Hashplant from F1 cross to F4 production-ready seed stock.
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.