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Killer Grape Auto
Gentle indica autoflower with relaxed and energetic effects and compact, resin-coated structure. Ideal for intermediate growers seeking stable genetics and strong production.
◉Flavor:Grape, musky kush, sweet spice
Grower tip: Minimal training, indicas stay compact naturally
Premium stabilized genetics · germination guaranteed
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About Killer Grape Auto
The genetic expression of Killer Grape, a 86/14 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 8% across phenotypes, with Caryophyllene 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 8-10 weeks across phenotypes. Yield: 450-550g/m² indoor, 400-600g/plant outdoor. Height: Short-Medium (2-3.5 ft). Rated intermediate, the phenotype variation adds a layer of interest without adding significant difficulty. Growing from regular seeds with autoflowering genetics.
Effects and Use
At 8% THC, Killer Grape delivers relaxed, energetic, calm effects with a caryophyllene-influenced character. The onset is body-first, a warmth that starts in the chest and settles into the limbs over 5-10 minutes. At moderate doses, you remain conversational and present. At higher doses, the physical weight becomes dominant and evening use becomes the natural fit. The caryophyllene dominance contributes a grounding quality that prevents the effect from feeling scattered.
Terpene Profile
Dominant terpenes: Caryophyllene (primary), Myrcene (secondary), Bisabolol (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 myrcene top notes that combustion destroys.
Who Should Grow Killer Grape
Best suited for growers who value speed and simplicity, autoflowering genetics mean no light schedule changes, compact plants, and harvest in 10-12 weeks from seed. The intermediate difficulty rating means basic growing competence is sufficient, but attention to detail during flower produces noticeably better results. Ships discreetly to all 50 US states with our germination guarantee.
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Killer Grape Auto, Cannabinoid & Terpene Reference
Reference ranges aggregated from publicly-reported third-party lab data and breeder documentation. Total THC reported as max-potential (THC + 0.877 × THCA). Individual seed-lot expression may vary by 1-3 percent.
Killer Grape Auto, Aggregated Grower Yield Reports
Yield ranges aggregated from public grower journals, breeder-documented spec sheets, and cultivation community reports on Killer Grape Auto autoflower seeds. First-time growers should expect 70-85 percent of these numbers.
| Setup | Yield |
|---|---|
| 3×3 tent, 400W LED, LST | 369g |
| Outdoor, 25-gal fabric pot, full sun | 488g |
Killer Grape Auto, Sourcing & Genetics
Killer Grape Auto was developed in the 1990s and has been continuously refined since, modern releases are far more stable than the original 90s phenotypes.
Versatile across all US climates, 8-10 week cycle works in any growing window from Maine to Hawaii.
Killer Grape Auto, Breeder Information
Royal King GeneticsBred and stabilized in-house by Royal King Genetics , our internal breeding team. Every order is backed by our 95% germination guarantee. Read our full breeding process and about page.
Five generations of Royal King Genetics autoflower stabilization on Killer Grape. Auto trigger time, finish window, and dense flower structure are uniform, no photo-hybrid surprises in the pack.
Reach auto trigger and finish-window uniformity for the Killer Grape pack.
Selected for indica vigor, dense flower formation, and consistent finishing time.
Royal King Genetics breeding program, pollen from selected sibling males of the recurrent parent.