Silver Kush cannabis seeds packaging — Royal King Seeds New Zealand
HybridAuto
THC 20%
Fast Grow
HybridAutoflowerIn Stock

Silver Kush Auto

Silver Kush Auto cannabis seeds for New Zealand growers. Hybrid strain · 20% THC · happy, relaxed, uplifted. Discreet packaging, nationwide delivery, sourced grow figures.

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$26.99NZD
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Royal King Genetics — 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 2026-04-08 on 325 seeds.

Germination rate: 97.8% (n=325)
Last QC test date: 2026-04-08
Indoor yield: 476-592 g/m² (avg across 8 verified grower reports)
Outdoor yield: 558-874 g/plant (avg across 3 verified grower reports)

About Silver Kush Auto

Can I grow Silver Kush outdoors in New Zealand? Absolutely. This 25/65 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 50-60 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 300 g/m2 is achievable with decent LED lighting and attentive feeding. Outdoors, up to 200 g/plant per plant is realistic in 50+ litre pots or directly in prepared garden soil with full sun exposure. At 20% THC and a caryophyllene-forward terpene profile, the quality-to-effort ratio makes Silver Kush 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 Silver Kush

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 — 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 28°C 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 25/65 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 — which is better for this strain? Both work. Indoor gives you control over the 50-60 days environment. Outdoor in the New Zealand growing season (October-April) lets the plant reach its full up to 200 g/plant potential with natural sunlight intensity that even expensive LEDs struggle to match. Flowering: 50-60 days. Indoor yield: up to 300 g/m2. Outdoor yield: up to 200 g/plant. Rated intermediate difficulty.

Flavour, Aroma, and Experience

The sensory arc of Silver Kush unfolds in stages. Initial inhalation at 20% THC brings a warm peppery spice that tingles at the back of the throat. The happy, relaxed, uplifted effects emerge within minutes, presenting as a simultaneous head-and-body experience. Mental clarity remains intact whilst the muscles release tension progressively. This dual action makes it adaptable — a lighter dose suits afternoon tasks, a heavier dose transitions seamlessly into evening relaxation. The limonene secondary terpene adds a distinct layer: a mood-elevating brightness that counterbalances any heaviness.

Terpene Breakdown

Primary: Caryophyllene · Secondary: Limonene · Tertiary: Myrcene. Flavour translation from flower to vapour and smoke differs with this terpene combination. Low-temperature vaporisation (180-188°C) highlights the limonene and myrcene notes whilst keeping caryophyllene as a foundation. Higher temperatures or combustion flatten the profile into a single-note experience — still pleasant, but lacking the complexity that makes this cultivar genuinely interesting to those who appreciate flavour.

Suitability and Recommendations

Who grows Silver Kush successfully? Balcony growers in apartment blocks from Auckland to Christchurch. Regional cultivators wanting a quick-turnaround outdoor crop. Indoor growers with limited headroom in small tents. The autoflowering genetics run on their own internal clock — no light schedule adjustments, no stress about light leaks, and harvest arrives 10-12 weeks after germination regardless of the season. 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

😊Happy
72% of people reported feeling Happy
😌Relaxed
65% of people reported feeling Relaxed
😎Uplifted
58% of people reported feeling Uplifted
🤩Creative
56% of people reported feeling Creative
🤗Euphoric
47% of people reported feeling Euphoric
🤤Hungry
41% of people reported feeling Hungry
😴Sleepy
38% of people reported feeling Sleepy
😆Giggly
31% of people reported feeling Giggly
🧠Focused
21% of people reported feeling Focused

Best For

Anytime
Fatigue
Muscle Spasms
Stress

Strain Type

Indica 25%Sativa 65%

Strain Data Sheet

🧬THC20% - 25% (High)
🌿LineageSilver Bubble × OG #18
🔬TypeAutoflower Hybrid
🌡ClimateAll climates (adaptable)
📅Harvest≈ 10 – 11 weeks from seed (typical)
📏Height60 – 100 cm (typical)
⚖️YieldMedium
🏠Yield Indoorup to 300 g/m2
🌳Yield Outdoorup to 200 g/plant
Flowering Time50-60 days

Packaging

Resealable +
RK
Royal King Seeds
Autoflowering
Regular
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
Silver Kush Auto
royalkingseeds.co.nz
IG
FB
X
🔒Sealed for authenticity
💧Waterproof coating
🛡️Aluminium interior lining
🏷️Protective sticker
📱QR code verification
🔢Scratchable serial number

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Silver Kush Auto — 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
F5
Generations
5+
Breeding Programme
Autoflower Stabilisation (F5) — ruderalis trait fixing
Stabilisation Notes — What This Means for Your Grow

Autoflowering genetics need multi-generation fixing because the ruderalis-derived auto trait is recessive. Silver Kush sits at F5 — every plant in the pack autoflowers reliably and finishes inside a tight window.

Breeding Goal

Stabilise the recessive ruderalis trait in Silver Kush for uniform auto-trigger.

Selection Focus

Chosen for vigour, terpene saturation and a tight finish window that allows production planning.

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
24 July 2025· 95% germination guarantee