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Tuna Kush Feminized
Well-balanced feminized indica with relaxed and sleepy effects and dense bud formation. Ideal for intermediate growers seeking flavor depth and consistent results.
◉Flavor:Sweet grape, pine, woody incense
Grower tip: Defoliate selectively to open airflow around the inner canopy
Premium stabilized genetics · germination guaranteed
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Royal King Genetics — first-party test batch
Numbers below are from our internal seed-lot QC and verified grower submissions, not breeder marketing. Determined from a single batch tested 2026-03-12 on 375 seeds.
About Tuna Kush Feminized
The genetic expression of Tuna Kush — a 70/30 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 20% across phenotypes, with Myrcene 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: 350-450g/m² indoor, 500-700g/plant outdoor. Height: Tall (4-5 ft). Rated intermediate — the phenotype variation adds a layer of interest without adding significant difficulty. Growing from feminized seeds.
What Users Report
Tuna Kush at 20% THC produces relaxed, sleepy, happy 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 Myrcene/Humulene 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: Myrcene (primary), Humulene (secondary), Linalool (tertiary). This combination produces an aroma profile that is immediately identifiable when the jar opens and translates well to both vaporization (best at 360-385°F) and combustion, though lower temperatures preserve the humulene top notes that combustion destroys.
Who Should Grow Tuna Kush
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.
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Tuna Kush 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.
Tuna Kush Feminized — Real Grower Yield Reports
Yield data from US growers cultivating Tuna Kush 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.
| Setup | Yield |
|---|---|
| 4×4 tent, 600W LED, LST | 425g |
| 5×5 tent, 730W LED, ScrOG | 425g |
| 5×5 tent, 730W LED, ScrOG + topping | 426g |
Tuna Kush Feminized — Sourcing & Genetics
Tuna Kush Feminized was first stabilized in Amsterdam coffee-shop circles in the 2000s and adapted to American growing conditions through North American breeding programs.
Cold-tolerant; performs well in short-season Northern states (ME, VT, MN, WI). Indoor cultivation works anywhere.
Tuna Kush Feminized — Breeder Information
Royal King GeneticsBred 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.
Tuna Kush has been the goal of countless seed-bank backcross programs. Ours is BX3 — three generations of crossing the elite cut back to the parental line until trait expression homogenized. The pack grows true to the mother cut.
Recreate the Tuna Kush clone-only cut in stable seed form.
Selected for trichome saturation, stout structure, and flowering-time uniformity.
Royal King Genetics elite-cut archive — pollen from a maintained S1 line of the original elite mother.