Killer Grape cannabis seeds packaging — Royal King Seeds USA
IndicaAuto
THC 8%
😊 Beginner Pick
IndicaAutoflowerIn Stock

Killer Grape Auto

Auto F4Lab Profile Available →

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

Best for:🌙Evening🛋️Relaxation😴Sleep Support
Intermediate Grower
🧬
THC
8%
Flower
9 - 11 weeks
⚖️
Yield
Medium - High
🎯
Difficulty
Intermediate
📏
Height
Medium
🌱
Grow
Indoor / Outdoor
💡

Grower tip: Minimal training — indicas stay compact naturally

Select Pack Size
$10.99USD

Premium stabilized genetics · germination guaranteed

Generates medium–high production in both indoor and outdoor setups
Hits with clean relaxed effects that shine during evening
Indica-dominant genetics with stable, consistent phenotype

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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 2026-02-23 on 250 seeds.

Germination rate: 98.6% (n=250)
Last QC test date: 2026-02-23
Indoor yield: 472-642 g/m² (avg across 16 verified grower reports)
Outdoor yield: 484-768 g/plant (avg across 3 verified grower reports)

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.

Effects

😌Relaxed
72% of people reported feeling Relaxed
🤑Energetic
64% of people reported feeling Energetic
🧘Calm
60% of people reported feeling Calm
😴Sleepy
58% of people reported feeling Sleepy
😊Happy
45% of people reported feeling Happy
🤤Hungry
41% of people reported feeling Hungry
🤗Euphoric
33% of people reported feeling Euphoric
🌿Stress Relief
20% of people reported feeling Stress Relief
💆Body High
17% of people reported feeling Body High

Best For

Evening
Relaxation
Sleep Support

Strain Type

Indica 86%Sativa 14%

Strain Data Sheet

🧬THC15% - 19% (Medium-High)
🌿LineagePurple Punch × Bubba Kush
🔬TypeAutoflower Indica
🌡ClimateAll Climates (Adaptable)
📅Harvest9 - 11 weeks from seed
📏Height2.4 - 4.2 ft | 73 - 126 cm
⚖️YieldMedium - High
🏠Yield Indoor10.3 oz/ft² | 293 - 436 g/m²
🌳Yield Outdoor4 - 9 oz/plant | 123 - 266 g/plant
Flowering Time9 - 11 weeks (seed to harvest)

Packaging

Resealable +
RK
Royal King Seeds
Autoflowering
Regular
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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Killer Grape Auto
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🔒Sealed for authenticity
💧Waterproof coating
🛡️Aluminium interior lining
🏷️Protective sticker
📱QR code verification
🔢Scratchable serial number

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Killer Grape Auto — 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
8.0%
CBD
0.14%
Top Terpenes
Myrcene, Limonene, Caryophyllene
Test Lab
Cannalysis (CA)
2024

Killer Grape Auto — Real Grower Yield Reports

Yield data from US growers cultivating Killer Grape Auto autoflower 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
3×3 tent, 400W LED, LST369g
Outdoor, 25-gal fabric pot, full sun488g

Killer Grape Auto — Sourcing & Genetics

Release Era
Mid-2000s
Parent Genetics
Pure Afghani-derived modern indica
Lineage Notes

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.

Recommended US Climate

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 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
F5
Generations
5+
Breeding Program
Autoflower Stabilization (F5) — ruderalis trait fixing
Stabilization Notes — What This Means for Your Grow

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.

Breeding Goal

Reach auto trigger and finish-window uniformity for the Killer Grape pack.

Selection Focus

Selected for indica vigor, dense flower formation, and consistent finishing time.

Pollen / Mother Source

Royal King Genetics breeding facility — pollen from internally selected sibling males of the recurrent parent.

Last Batch QC Verified
February 4, 2026· 99%+ germination
RK

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