
Sirius Black Feminised
Grow Sirius Black Feminised in New Zealand. Indica genetics testing at 24% THC. Known for euphoric, creative effects. Ships discreetly nationwide with sourced grow figures.
Royal King Genetics โ first-party test batch
Figures below are from our internal seed-lot QC and verified New Zealand grower submissions, not breeder marketing. Determined from a single batch tested 2026-03-01 on 375 seeds.
About Sirius Black Feminised
Where you grow Sirius Black in New Zealand matters enormously. Northland cultivators dealing with 35ยฐC+ summers and oppressive humidity need to approach this 83/17 indica differently than someone in Southland's mild maritime climate or Otago's temperamental shoulder seasons. In tropical and subtropical zones, the dense flower architecture at 24% THC creates a genuine mould risk once relative humidity climbs past 65% โ coastal Northland and northern Waikato growers should prioritise airflow management above all else. Move south to Wellington or Dunedin, and that same density becomes an asset: cooler autumn nights intensify the caryophyllene terpene expression and the compact frame handles wind exposure without staking.
New Zealand Climate Considerations
Indoor cultivators can control their environment regardless of location, but Sirius Black rewards specific adjustments for New Zealand conditions. During summer months when ambient temperatures regularly exceed 30ยฐC, running lights at night (6pm-6am cycle) prevents heat stress without expensive cooling. Relative humidity targets: 55-65% in veg, dropping to 40-50% once flowers form. EC targets: 1.0-1.4 during vegetative growth, stepping up to 1.6-2.0 at peak bloom. pH maintained between 5.8 and 6.3 depending on your medium.
Outdoor growers face region-specific challenges. Northland/Northern Waikato: Whitefly and thrips pressure peaks December through February โ introduce predatory mites (Phytoseiulus persimilis) early as a preventative measure. The high UV index accelerates trichome production but monitor for light stress on young transplants. VIC/SA/TAS: Your compressed outdoor window (November-March) suits this cultivar's 9-10 weeks period, but start seeds indoors by late September to maximise vegetative growth before the December solstice. WA: Christchurch growers benefit from low humidity and warm days โ possibly the most forgiving outdoor conditions in the country for this strain. Watch for soil salinity in tap water; many Christchurch postcodes run above 500ppm total dissolved solids.
Flowering: 9-10 weeks. Indoor yield: 400-500 g/m2. Outdoor yield: 400-500 g/plant. Rated intermediate difficulty.
Flavour, Aroma, and Experience
The sensory arc of Sirius Black unfolds in stages. Initial inhalation at 24% THC brings a warm peppery spice that tingles at the back of the throat. The euphoric, creative effects emerge within minutes, beginning as a pleasant heaviness behind the eyes that migrates downward through the shoulders, chest, and limbs. By the fifteen-minute mark, a deep physical stillness sets in โ not sedation exactly, but a reluctance to move that makes the couch remarkably appealing. Duration runs 2-3 hours at moderate doses. The myrcene secondary terpene adds a distinct layer: additional body depth that reinforces the physical dimension.
Terpene Breakdown
Primary: Caryophyllene ยท Secondary: Myrcene ยท Tertiary: Bisabolol. This particular terpene trio appears frequently in award-winning cultivars and produces a nose that most growers find immediately appealing when jars are first opened after curing. The caryophyllene dominance anchors the aroma, myrcene provides mid-range character, and bisabolol contributes a subtle background note that distinguishes this strain from others sharing the same primary terpene.
Suitability and Recommendations
Who grows Sirius Black successfully? Indoor growers seeking full control over their harvest timeline. Outdoor cultivators who want to decide exactly when flowering begins. Anyone with the space and patience to vegetate this plant to its full potential before triggering bloom. Difficulty is rated intermediate, meaning a moderate learning curve that rewards attention without demanding laboratory-grade conditions. Delivered nationwide in discreet, unbranded packaging with sourced grow data on every strain page.
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Sirius Black Feminised โ Breeder Information
Royal King GeneticsBred and stabilised in-house by Royal King Genetics โ 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.
Sirius Black runs through our F4 programme. Four cycles of phenotype selection have removed the worst of the trait variation; what is left is a tight, predictable population for production.
Cull off-type phenos in Sirius Black through filial selection.
Chosen for resin output, a low-slung stature and a clean indica terpene fingerprint.
Royal King Genetics select-mother programme โ pollen drawn from an internally maintained reversed-female line.