RK
Sirius Black cannabis seeds packaging โ€” Royal King Seeds New Zealand
Indica
THC 24%
๐ŸŽจ Creative
IndicaFeminisedIn Stock

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.

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$23.39NZD
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๐Ÿ‡ณ๐Ÿ‡ฟFree NZ Delivery
๐ŸŒฑGermination Promise
๐Ÿ”’Unmarked Packaging
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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.

Germination rate: 99.3% (n=375)
Last QC test date: 2026-03-01
Indoor yield: 438-590 g/mยฒ (avg across 10 verified grower reports)
Outdoor yield: 470-652 g/plant (avg across 9 verified grower reports)

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.

Effects

๐Ÿค—Euphoric
74% of people reported feeling Euphoric
๐ŸคฉCreative
70% of people reported feeling Creative
๐Ÿ˜ŒRelaxed
58% of people reported feeling Relaxed
๐Ÿ˜ดSleepy
58% of people reported feeling Sleepy
๐Ÿ˜ŠHappy
45% of people reported feeling Happy
๐ŸคคHungry
41% of people reported feeling Hungry
๐Ÿง˜Calm
33% of people reported feeling Calm
๐ŸŒฟStress Relief
20% of people reported feeling Stress Relief
๐Ÿ’†Body High
17% of people reported feeling Body High

Best For

โœฆ Evening
โœฆ Relaxation
โœฆ Sleep Support

Strain Type

Indica 83%Sativa 17%

Strain Data Sheet

๐ŸงฌTHC24% - 27% (High)
๐ŸŒฟLineageIndica-Dominant Hybrid (Undisclosed Lineage)
๐Ÿ”ฌTypeFeminised Indica
๐ŸŒกClimateCoolโ€“temperate / continental
๐Ÿ“…HarvestSept โ€“ Nov, S. hemisphere (typical)
๐Ÿ“Height90 โ€“ 120 cm (typical)
โš–๏ธYieldMedium โ€“ High
๐Ÿ Yield Indoor400-500 g/m2
๐ŸŒณYield Outdoor400-500 g/plant
โฑFlowering Time9-10 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.
1
Sirius Black Feminised
royalkingseeds.co.nz
IG
FB
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๐Ÿ”’Sealed for authenticity
๐Ÿ’งWaterproof coating
๐Ÿ›ก๏ธAluminium interior lining
๐Ÿท๏ธProtective sticker
๐Ÿ“ฑQR code verification
๐Ÿ”ขScratchable serial number

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Sirius Black Feminised โ€” Breeder Information

Royal King Genetics

Bred 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.

Stabilisation Level
F4
Generations
4+
Breeding Programme
Royal King Genetics Filial Programme โ€” four-generation pheno fixing
Stabilisation Notes โ€” What This Means for Your Grow

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.

Breeding Goal

Cull off-type phenos in Sirius Black through filial selection.

Selection Focus

Chosen for resin output, a low-slung stature and a clean indica terpene fingerprint.

Pollen / Mother Source

Royal King Genetics select-mother programme โ€” pollen drawn from an internally maintained reversed-female line.

Last Batch QC Verified
19 March 2026ยท 95% germination guarantee