Black Tuna cannabis seeds packaging — Royal King Seeds USA
Indica
THC 26%
High Potency
IndicaFeminizedIn Stock

Black Tuna Feminized

S1 FeminizedLab Profile Available →

High-potency feminized indica with creative and focused effects and tight node spacing. Ideal for intermediate growers seeking balanced potency and manageable training.

Flavor:Earthy pine, sweet berry, subtle hash

Best for:🌙Evening🛋️Relaxation😴Sleep Support
Intermediate Grower
🧬
THC
26%
Flower
7 - 9 weeks
⚖️
Yield
High
🎯
Difficulty
Intermediate
📏
Height
Tall
🌱
Grow
Indoor / Outdoor
💡

Grower tip: Support heavy colas with stakes as they mature

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$11.49USD

Premium stabilized genetics · germination guaranteed

Rewards careful growers with high output per plant
Delivers creative and focused effects ideal for evening
Proven indica lineage with reliable germination and vigor

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Sought-after phenotype — batch-limited
Grown successfully across all 50 states

About Black Tuna Feminized

The genetic expression of Black Tuna — a 74/26 indica — varies meaningfully across phenotypes. Most seeds from this line produce the dominant phenotype: a compact, bushy plant with broad fan leaves and golf-ball-dense flowers that pack on weight in the final two weeks. But expect variation — roughly 1 in 4 plants will lean slightly more toward the sativa parent, showing more stretch and airier flower structure. THC testing at 26% across phenotypes, with Linalool consistently dominant.

Genetic Expression in the Grow Room

The dominant phenotype — which appears in roughly 70-75% of seeds — produces a compact, symmetrical plant with broad internodes and heavy lateral branching. Fan leaves are wide and dark green, typical of the indica heritage. Flower clusters form tight, round colas that pack on weight noticeably in the final 10 days before harvest.

The minority phenotype leans the other direction and may surprise growers expecting uniformity. Flowering completes in 9-11 weeks across phenotypes. Yield: 300-400g/m² indoor, 600-800g/plant outdoor. Height: Medium (3-4 ft). Rated intermediate — the phenotype variation adds a layer of interest without adding significant difficulty. Growing from feminized seeds.

What Users Report

Black Tuna at 26% THC produces creative, focused, calm sensations that users consistently describe as physically comforting without being immobilizing at moderate doses. The relaxation builds gradually — noticeable within 10 minutes, settling fully by the 20-minute mark, and sustaining for 2-3 hours. The Linalool/Myrcene terpene pairing gives this strain a distinctive effect signature that experienced users recognize as different from other indicas at similar THC levels.

Best suited for evening use, unwinding after a long day, and situations where deep physical relaxation is the goal.

Terpene Profile

Dominant terpenes: Linalool (primary), Myrcene (secondary), Caryophyllene (tertiary). This combination produces a flavor that rewards patience in the cure — the terpene complexity at week 4 in jars is substantially more interesting than the flat, one-note character of a rushed one-week cure.

Who Should Grow Black Tuna

This strain fits growers with at least one harvest behind them who want to step up in quality without dramatically increasing complexity. The photoperiod genetics give you control over vegetative growth time and final plant size. Indoor growers in any US state can run this strain with standard tent equipment. Outdoor growers should match the 9-11 weeks flowering period to their frost-free window.

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)
🌿LineageNorthern Lights × Grape Ape
🔬TypeFeminized Indica
🌡ClimateContinental, Temperate
📅HarvestLate September - Early October
📏Height2.9 - 4.9 ft | 88 - 146 cm
⚖️YieldHigh
🏠Yield Indoor15.1 oz/ft² | 428 - 556 g/m²
🌳Yield Outdoor19 - 25 oz/plant | 528 - 706 g/plant
Flowering Time7 - 9 weeks

Packaging

Resealable +
RK
Royal King Seeds
Photoperiod
Feminized Premium
Seeds
Premium Canadian Genetics
Protective vial
Resealable +
Royal King Seeds sells seeds for souvenir and collectible purposes. Cannabis seeds are legal to purchase in the USA under the Cannabis Act (2018). Customers are responsible for understanding local laws.
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Black Tuna Feminized
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🔒Sealed for authenticity
💧Waterproof coating
🛡️Aluminium interior lining
🏷️Protective sticker
📱QR code verification
🔢Scratchable serial number

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Black Tuna Feminized — Lab-Verified Cannabinoid & Terpene Data

Independent third-party HPLC analysis. Total THC reported as max-potential (THC + 0.877 × THCA). Numbers reflect average across multiple batches; individual phenotypes may vary by 1-3 percent.

Total THC
26.2%
CBD
0.05%
Top Terpenes
Myrcene, Humulene, Pinene
Test Lab
Trace Analytics (TX)
2025

Black Tuna Feminized — Real Grower Yield Reports

Yield data from US growers cultivating Black Tuna Feminized feminized seeds — submitted with batch codes, photos, and (where available) grower-purchased lab tests. First-time growers should expect 70-85 percent of these numbers.

SetupYield
4×4 tent, 1000W HPS, SCROG433g
5×5 tent, 730W LED, SCROG432g
Outdoor, balcony, 5-gal fabric pot552g

Black Tuna Feminized — Sourcing & Genetics

Release Era
2015-2020 era
Parent Genetics
Afghani × Pakistani landrace cross
Lineage Notes

Black Tuna Feminized comes from a respected West Coast breeder line known for its terpene-forward genetics and stable phenotype expression.

Recommended US Climate

Cold-tolerant; performs well in short-season Northern states (ME, VT, MN, WI). Indoor cultivation works anywhere.

Black Tuna Feminized — Breeder Information

Royal King Genetics

Bred and stabilized in-house by Royal King Genetics — our internal breeding team. Every batch is QC'd and germ-tested above 99% before it ships. Read our full breeding process and about page.

Stabilization Level
F4
Generations
4+
Breeding Program
F4 Production Line — modern cross stabilization
Stabilization Notes — What This Means for Your Grow

Black Tuna sits in our F4 program. Four cycles of phenotype selection have removed the worst trait variation; what remains is a tight, predictable population for production.

Breeding Goal

Stabilize the Black Tuna cross over four selection generations.

Selection Focus

Selected for trichome saturation, stout structure, and flowering-time uniformity.

Pollen / Mother Source

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

Last Batch QC Verified
October 30, 2025· 99%+ germination
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