RK
501st OG cannabis seeds packaging โ€” Royal King Seeds New Zealand
Indica
THC 18%
๐ŸŒ™ Sleep Aid
IndicaFeminisedIn Stock

501st OG Feminised

501st OG Feminised โ€” premium indica cannabis seeds suited to New Zealand growing conditions. 18% THC with relaxed, sleepy, happy effects. Discreet delivery across New Zealand. sourced grow figuresd.

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$21.59NZD
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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 2026-04-17 on 325 seeds.

Germination rate: 97.4% (n=325)
Last QC test date: 2026-04-17
Indoor yield: 487-660 g/mยฒ (avg across 11 verified grower reports)
Outdoor yield: 639-902 g/plant (avg across 10 verified grower reports)

About 501st OG Feminised

Can I grow 501st OG outdoors in New Zealand? Absolutely. This 74/26 indica is well-suited to the New Zealand outdoor season running October through April. The compact growth habit means it will not tower above your fence line, and the dense flower structure packs serious weight into a manageable frame. Flowering takes 7-9 weeks, placing your harvest window squarely in March or April for most New Zealand latitudes.

What kind of yield should I realistically expect? We do not publish a per-strain yield figure for this cultivar, so treat any number you see elsewhere with caution. Yield depends far more on your lighting, pot size, feeding and training than on genetics alone. At 18% THC and a linalool-forward terpene profile, the quality-to-effort ratio makes 501st OG 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 501st OG

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 indica genetics.

How does it handle a humid New Zealand autumn? The dense foliage provides natural self-shading, which helps. Above 35ยฐC, growth slows noticeably but the plant does not collapse. Mulching the root zone and watering in the early morning (before 7am) prevents heat stress in most parts of the country.

When should I start feeding bloom nutrients? Within the first week of visible pistil formation. This cultivar's 74/26 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 7-9 weeks environment. Outdoor in the New Zealand growing season (October-April) lets the plant reach its full potential with natural sunlight intensity that even expensive LEDs struggle to match. Flowering: 7-9 weeks. Rated intermediate difficulty.

What to Expect When Using 501st OG

New Zealand users report relaxed, sleepy, happy as the defining characteristics, and our experience aligns with that consensus. At 18% THC, this indica sits in a potency bracket where dosage control genuinely matters. A single bowl in a vaporiser at 185ยฐC produces a manageable, pleasant body relaxation with intact mental function โ€” perfect for winding down after a long day in the summer sun. Increasing the dose shifts the experience firmly towards physical sedation, and many users find this their preferred nighttime cultivar during the cooler months. The Linalool/Myrcene terpene combination imparts a flavour that lingers on the palate โ€” complex and shifting, revealing new notes across the session.

Ideal settings: quiet evenings, film nights, post-exercise recovery, and sleep preparation.

Terpene Breakdown

Primary: Linalool ยท Secondary: Myrcene ยท Tertiary: Caryophyllene. Together these three compounds construct an aromatic signature that evolves throughout the curing process. Freshly dried flower leads with linalool presence, but after three to four weeks in sealed glass jars at 16-18ยฐC, the caryophyllene 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 caryophyllene molecules first.

Suitability and Recommendations

501st OG 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 7-9 weeks 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

๐Ÿ˜ŒRelaxed
72% of people reported feeling Relaxed
๐Ÿ˜ดSleepy
72% of people reported feeling Sleepy
๐Ÿ˜ŠHappy
58% of people reported feeling Happy
๐ŸคคHungry
54% of people reported feeling Hungry
๐Ÿค—Euphoric
47% of people reported feeling Euphoric
๐Ÿง˜Calm
40% of people reported feeling Calm
๐ŸŒฟStress Relief
27% of people reported feeling Stress Relief
๐Ÿ’†Body High
24% of people reported feeling Body High
๐Ÿ˜ถโ€๐ŸŒซ๏ธSedated
21% of people reported feeling Sedated

Best For

โœฆ Evening
โœฆ Relaxation
โœฆ Sleep Support

Strain Type

Indica 74%Sativa 26%

Strain Data Sheet

๐ŸงฌTHC18% - 22% (Medium-High)
๐ŸŒฟLineageSkywalker OG ร— Rare Dankness #1
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 โ€“ 500 g/mยฒ (typical)
๐ŸŒณYield Outdoor400 โ€“ 600 g/plant (typical)
โฑFlowering Time7-9 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
501st OG 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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501st OG 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
BX3
Generations
4+
Breeding Programme
Backcross Stabilisation (BX3) โ€” clone-to-seed restoration
Stabilisation Notes โ€” What This Means for Your Grow

501st OG has been the target of countless seed-bank backcross programmes. Ours is BX3 โ€” three rounds of crossing the elite cut back to the parental line until trait expression evened out. The pack grows true to the mother cut.

Breeding Goal

Recreate the 501st OG clone-only cut in stable seed form.

Selection Focus

Chosen for trichome coverage, stout structure and consistent flowering time across the pack.

Pollen / Mother Source

Royal King Genetics elite-cut archive โ€” pollen from a maintained S1 line of the original elite mother.

Last Batch QC Verified
2 July 2026ยท 95% germination guarantee