RK
Jack Frost cannabis seeds packaging โ€” Royal King Seeds New Zealand
Hybrid
THC 22%
๐ŸŽจ Creative
HybridFeminisedIn Stock

Jack Frost Feminised

Jack Frost Feminised โ€” premium hybrid cannabis seeds suited to New Zealand growing conditions. 22% THC with creative, happy, uplifted effects. Discreet delivery across New Zealand. sourced grow figuresd.

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$25.19NZD
1
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 2026-04-01 on 175 seeds.

Germination rate: 99.3% (n=175)
Last QC test date: 2026-04-01
Indoor yield: 475-652 g/mยฒ (avg across 11 verified grower reports)
Outdoor yield: 549-844 g/plant (avg across 10 verified grower reports)

About Jack Frost Feminised

Can I grow Jack Frost outdoors in New Zealand? Absolutely. This 50/50 hybrid is well-suited to the New Zealand outdoor season running October through April. The balanced genetics handle New Zealand conditions reliably, adapting to everything from coastal humidity to dry inland heat. Flowering takes 55-65 days, placing your harvest window squarely in March or April for most New Zealand latitudes.

What kind of yield should I realistically expect? Indoor growers pulling up to 350 g/m2 is achievable with decent LED lighting and attentive feeding. Outdoors, up to 450 g/plant per plant is realistic in 50+ litre pots or directly in prepared garden soil with full sun exposure. At 22% THC and a myrcene-forward terpene profile, the quality-to-effort ratio makes Jack Frost genuinely worthwhile.

Is this strain forgiving for newer growers? Reasonably so. A grower with basic knowledge of pH, feeding schedules, and light cycles will manage fine. It is not the most forgiving plant if you neglect it entirely, but it will not collapse at the first missed watering either.

More Questions New Zealand Growers Ask About Jack Frost

What growing medium works best for this strain? For maximum flavour complexity, organic soil blended with 30% perlite and enriched with slow-release amendments (blood and bone, rock phosphate, kelp meal โ€” all readily available at Bunnings or your local hydro shop). For maximum yield, coco coir with automated fertigation at EC 1.4-1.8 during bloom. Both approaches produce excellent results with this hybrid genetics.

How does it handle a humid New Zealand autumn? Handles heat reasonably well thanks to the hybrid vigour. Keep root zone temperatures below 28ยฐC with mulch or light-coloured pots, and avoid transplanting during heatwave conditions.

When should I start feeding bloom nutrients? Within the first week of visible pistil formation. This cultivar's 50/50 genetics shifts its nutritional demand rapidly at the transition. Phosphorus and potassium uptake increases noticeably, whilst nitrogen demand drops. An organic top-dress of bat guano and sulphate of potash works well for soil growers; hydro and coco growers should switch to a bloom-ratio formula (low N, high PK) immediately.

Indoor or outdoor โ€” which is better for this strain? Both work. Indoor gives you control over the 55-65 days environment. Outdoor in the New Zealand growing season (October-April) lets the plant reach its full up to 450 g/plant potential with natural sunlight intensity that even expensive LEDs struggle to match. Flowering: 55-65 days. Indoor yield: up to 350 g/m2. Outdoor yield: up to 450 g/plant. Rated intermediate difficulty.

What to Expect When Using Jack Frost

New Zealand users report creative, happy, uplifted as the defining characteristics, and our experience aligns with that consensus. At 22% THC, this hybrid sits in a potency bracket where versatility is the main advantage. Morning users report functional clarity at lower doses. Evening users report satisfying relaxation at higher doses. The ${indica}/${sativa} balance means the dominant effect direction shifts with consumption amount rather than being locked into a single character. The Myrcene/Limonene terpene combination imparts a flavour that lingers on the palate โ€” earthy and slightly sweet with a fruit-like finish.

Ideal settings: adaptable across occasions โ€” adjust dose to match the energy level your situation calls for.

Terpene Breakdown

Primary: Myrcene ยท Secondary: Limonene ยท Tertiary: Pinene. Together these three compounds construct an aromatic signature that evolves throughout the curing process. Freshly dried flower leads with myrcene presence, but after three to four weeks in sealed glass jars at 16-18ยฐC, the pinene undertone strengthens and the overall bouquet develops a layered complexity. Vaporisation between 180ยฐC and 195ยฐC captures the broadest spectrum of these terpenes โ€” higher temperatures degrade the more volatile pinene molecules first.

Suitability and Recommendations

Jack Frost suits growers with fundamental skills already established. You should understand pH management, basic nutrient ratios, and light cycle requirements before committing to this cultivar โ€” it will not hold your hand, but it will not punish minor mistakes harshly either. Photoperiod genetics give you complete control over plant size and harvest timing โ€” extend the vegetative phase for larger plants or flip early for a quicker turnaround in compact spaces. The New Zealand growing season (October through April) accommodates the 55-65 days bloom period comfortably for outdoor growers in the warmer northern regions. Shipped discreetly within New Zealand with sourced grow figures on every strain page.

Effects

๐ŸคฉCreative
77% of people reported feeling Creative
๐Ÿ˜ŠHappy
65% of people reported feeling Happy
๐Ÿ˜ŽUplifted
58% of people reported feeling Uplifted
๐Ÿ˜ŒRelaxed
51% of people reported feeling Relaxed
๐Ÿค—Euphoric
47% of people reported feeling Euphoric
๐ŸคคHungry
41% of people reported feeling Hungry
๐Ÿ˜ดSleepy
38% of people reported feeling Sleepy
๐Ÿ˜†Giggly
31% of people reported feeling Giggly
๐Ÿง Focused
21% of people reported feeling Focused

Best For

โœฆ Anytime
โœฆ Depression
โœฆ Pain
โœฆ Stress

Strain Type

Indica 50%Sativa 50%

Strain Data Sheet

๐ŸงฌTHC22% - 27% (High)
๐ŸŒฟLineageBalanced Hybrid (Undisclosed Lineage)
๐Ÿ”ฌTypeFeminised Hybrid
๐ŸŒกClimateTemperate, adaptable
๐Ÿ“…HarvestSept โ€“ Nov, S. hemisphere (typical)
๐Ÿ“Height100 โ€“ 160 cm (typical)
โš–๏ธYieldMedium
๐Ÿ Yield Indoorup to 350 g/m2
๐ŸŒณYield Outdoorup to 450 g/plant
โฑFlowering Time55-65 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.
1
Jack Frost Feminised
royalkingseeds.co.nz
IG
FB
X
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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Jack Frost 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
Filial Stabilisation (F4) โ€” four-generation selection
Stabilisation Notes โ€” What This Means for Your Grow

Jack Frost 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

Carry Jack Frost from F1 cross to F4 production-ready seed stock.

Selection Focus

Chosen for trichome density, bud structure and the hybrid trait balance the cross was engineered for.

Pollen / Mother Source

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

Last Batch QC Verified
12 June 2026ยท 95% germination guarantee