RK
Tuna Kush cannabis seeds packaging β€” Royal King Seeds the UK
Indica
THC 20%
πŸŒ™ Sleep Aid
IndicaFeminizedIn Stock

Tuna Kush Feminized

Feminized PhotoperiodSee Lab Report β†’

Order Tuna Kush Feminized seeds online. A quality indica cultivar at 20% THC delivering relaxed, sleepy, happy. Suited to all UK climate zones. Fast shipping and guaranteed germination.

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Β£7.89
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About Tuna Kush Feminized

Can I grow Tuna Kush outdoors in the UK? Absolutely. This 70/30 indica is well-suited to the UK 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 56 days, placing your harvest window squarely in March or April for most UK 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 We do not publish a per-strain yield figure for this cultivar, so treat any number you see elsewhere with caution.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 20% THC and a myrcene-forward terpene profile, the quality-to-effort ratio makes Tuna 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 UK Growers Ask About Tuna 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 β€” 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 British summer heat? The dense foliage provides natural self-shading, which helps. Above 35Β°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 UK locations.

When should I start feeding bloom nutrients? Within the first week of visible pistil formation. This cultivar's 70/30 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 β€” which is better for this strain? Both work. Indoor gives you control over the 56 days environment. Outdoor in the UK growing season (October-April) lets the plant reach its full potential with natural sunlight intensity that even expensive LEDs struggle to match. Flowering: 56 days. Rated intermediate difficulty.

What to Expect When Using Tuna Kush

UK customers report relaxed, sleepy, happy as the defining characteristics, and our experience aligns with that consensus. At 20% THC, this indica sits in a potency bracket where dosage control genuinely matters. A single bowl in a vaporiser at 185Β°C produces a manageable, pleasant body relaxation with intact mental function β€” perfect for winding down after a long day in the British summer light. Increasing the dose shifts the experience firmly towards physical sedation, and many users find this their preferred nighttime cultivar during the cooler months. The Myrcene/Humulene terpene combination imparts a flavour that lingers on the palate β€” earthy and slightly sweet with a fruit-like finish.

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

Terpene Breakdown

Primary: Myrcene Β· Secondary: Humulene Β· Tertiary: Linalool. This particular terpene trio appears frequently in award-winning cultivars and produces a nose that most UK growers find immediately appealing when jars are first opened after curing. The myrcene dominance anchors the aroma, humulene provides mid-range character, and linalool contributes a subtle background note that distinguishes this strain from others sharing the same primary terpene.

Suitability and Recommendations

Tuna Kush suits growers with fundamental skills already established. You should understand pH management, basic nutrient ratios, and light cycle requirements before committing to this cultivar β€” 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 β€” extend the vegetative phase for larger plants or flip early for a quicker turnaround in compact spaces. The UK growing season (October through April) accommodates the 56 days bloom period comfortably for outdoor cultivators in all states. Shipped discreetly across the UK with our germination guarantee.

Effects

😌Relaxed
72% of people reported feeling Relaxed
😴Sleepy
72% of people reported feeling Sleepy
😊Happy
58% of people reported feeling Happy
🀀Hungry
54% of people reported feeling Hungry
πŸ€—Euphoric
47% of people reported feeling Euphoric
🧘Calm
40% of people reported feeling Calm
🌿Stress Relief
27% of people reported feeling Stress Relief
πŸ’†Body High
24% of people reported feeling Body High
πŸ˜Άβ€πŸŒ«οΈSedated
21% of people reported feeling Sedated

Strain Type

Indica 70%Sativa 30%

Strain Data Sheet

🧬THC20% - 24% (High)
🌿LineageIndica-Dominant Hybrid (Undisclosed Lineage)
πŸ”¬TypeFeminized Indica
🌑ClimateCool–temperate / continental
πŸ“…HarvestLate Sept – Oct, UK outdoor (typical)
πŸ“Height90 – 120 cm (typical)
βš–οΈYieldMedium – High
🏠Yield Indoor400 – 500 g/mΒ² (typical)
🌳Yield Outdoor400 – 600 g/plant (typical)
⏱Flowering Time56 days

Packaging

Resealable +
RK
Royal King Seeds
Photoperiod
Feminized Premium
Seeds
Premium Genetics
Protective vial
Resealable +
Royal King Seeds supplies seeds as adult novelty collectibles and for genetic preservation. Purchasers must comply with all applicable UK Commonwealth, state, and territory legislation.
1
Tuna Kush Feminized
royalkingseeds.co.uk
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πŸ”’Sealed for authenticity
πŸ’§Waterproof coating
πŸ›‘οΈAluminium interior lining
🏷️Protective sticker
πŸ“±QR code verification
πŸ”’Scratchable serial number

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Tuna Kush Feminized β€” Breeder Information

Royal King Genetics

Bred and stabilised in-house by Royal King Genetics β€” 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
Royal King Genetics Backcross Line β€” BX3 clone-only restabilisation
Stabilisation Notes β€” What This Means for Your Grow

Tuna Kush has been the target of countless seed-bank backcross programmes. Ours is BX3 β€” 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 Tuna Kush 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 β€” pollen from a maintained S1 line of the original elite mother.

Last Batch QC Verified
7 June 2026Β· 99%+ germination