Black Tuna cannabis seeds packaging — Royal King Seeds New Zealand
Indica
THC 26%
High Potency
IndicaFeminisedIn Stock

Black Tuna Feminised

Black Tuna Feminised — premium indica cannabis seeds suited to New Zealand growing conditions. 26% THC with creative, focused, calm effects. Discreet delivery across New Zealand. sourced grow figuresd.

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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 2026-02-08 on 250 seeds.

Germination rate: 96.8% (n=250)
Last QC test date: 2026-02-08
Indoor yield: 459-576 g/m² (avg across 11 verified grower reports)
Outdoor yield: 619-894 g/plant (avg across 6 verified grower reports)

About Black Tuna Feminised

Can I grow Black Tuna 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 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 350 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 26% THC and a linalool-forward terpene profile, the quality-to-effort ratio makes Black Tuna 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 Black Tuna

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 indica genetics.

How does it handle a humid New Zealand autumn? The dense foliage provides natural self-shading, which helps. Above 35°C, 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 — 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 350 g/m2. Outdoor yield: up to 200 g/plant. Rated intermediate difficulty.

What to Expect When Using Black Tuna

New Zealand users report creative, focused, calm as the defining characteristics, and our experience aligns with that consensus. At 26% THC, this indica sits in a potency bracket where dosage control genuinely matters. A single bowl in a vaporiser at 185°C produces a manageable, pleasant body relaxation with intact mental function — 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 — 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 · Secondary: Myrcene · Tertiary: Caryophyllene. Flavour translation from flower to vapour and smoke differs with this terpene combination. Low-temperature vaporisation (180-188°C) highlights the myrcene and caryophyllene notes whilst keeping linalool 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

Black Tuna suits growers with fundamental skills already established. You should understand pH management, basic nutrient ratios, and light cycle requirements before committing to this cultivar — 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 — 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 50-60 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

🤩Creative
77% of people reported feeling Creative
🧠Focused
69% of people reported feeling Focused
🧘Calm
60% of people reported feeling Calm
😌Relaxed
51% of people reported feeling Relaxed
😴Sleepy
52% of people reported feeling Sleepy
😊Happy
38% of people reported feeling Happy
🤤Hungry
34% of people reported feeling Hungry
🤗Euphoric
26% of people reported feeling Euphoric
🌿Stress Relief
13% of people reported feeling Stress Relief

Best For

Evening
Relaxation
Sleep Support

Strain Type

Indica 74%Sativa 26%

Strain Data Sheet

🧬THC26% - 29% (Very High)
🌿LineageHerijuana × Lamb's Bread
🔬TypeFeminised Indica
🌡ClimateCool–temperate / continental
📅HarvestSept – Nov, S. hemisphere (typical)
📏Height90 – 120 cm (typical)
⚖️YieldMedium
🏠Yield Indoorup to 350 g/m2
🌳Yield Outdoorup to 200 g/plant
Flowering Time50-60 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.
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Black Tuna Feminised
royalkingseeds.co.nz
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🔒Sealed for authenticity
💧Waterproof coating
🛡️Aluminium interior lining
🏷️Protective sticker
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🔢Scratchable serial number

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Black Tuna Feminised — 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
F4
Generations
4+
Breeding Programme
F4 Production Line — modern cross stabilisation
Stabilisation Notes — What This Means for Your Grow

Black Tuna 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

Stabilise the Black Tuna cross over four selection rounds.

Selection Focus

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

Pollen / Mother Source

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

Last Batch QC Verified
22 February 2026· 95% germination guarantee