🌱
IndicaAuto
THC 21%
😊 Beginner Pick
IndicaAutoflowerIn Stock

Critical Kush Auto

Auto F3Lab Profile Available →

Potent indica autoflower with euphoric and calm 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
21%
Flower
8 - 10 weeks
⚖️
Yield
Medium
🎯
Difficulty
Intermediate
📏
Height
Medium
🌱
Grow
Indoor / Outdoor
💡

Grower tip: Minimal training — indicas stay compact naturally

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$13.99USD

Premium stabilized genetics · germination guaranteed

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

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About Critical Kush Auto

The genetic expression of Critical Kush — a 87/13 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 21% 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, 350-500g/plant outdoor. Height: Compact (2-3 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 21% THC, Critical Kush delivers euphoric, 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 a nose that develops complexity through the cure — expect the primary caryophyllene character to emerge first, with myrcene and bisabolol notes adding layers over 3-4 weeks in jars.

Who Should Grow Critical Kush

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

🤗Euphoric
74% of people reported feeling Euphoric
🧘Calm
67% of people reported feeling Calm
😌Relaxed
58% of people reported feeling Relaxed
😴Sleepy
58% of people reported feeling Sleepy
😊Happy
45% of people reported feeling Happy
🤤Hungry
41% of people reported feeling Hungry
🌿Stress Relief
27% of people reported feeling Stress Relief
💆Body High
24% of people reported feeling Body High
😶‍🌫️Sedated
21% of people reported feeling Sedated

Best For

Evening
Relaxation
Sleep Support

Strain Type

Indica 87%Sativa 13%

Strain Data Sheet

🧬THC21% - 24% (High)
🌿LineageGrape Ape × Bubba Kush
🔬TypeAutoflower Indica
🌡ClimateAll Climates (Adaptable)
📅Harvest8 - 10 weeks from seed
📏Height2.1 - 3.5 ft | 63 - 106 cm
⚖️YieldMedium
🏠Yield Indoor8.9 oz/ft² | 253 - 356 g/m²
🌳Yield Outdoor5 - 9 oz/plant | 143 - 246 g/plant
Flowering Time8 - 10 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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Critical Kush 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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Critical Kush 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
21.2%
CBD
0.06%
Top Terpenes
Myrcene, Pinene, Caryophyllene
Test Lab
Iron Labs (MI)
2024

Critical Kush Auto — Real Grower Yield Reports

Yield data from US growers cultivating Critical Kush 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
4×4 tent, 1000W HPS, SCROG176g
5×5 tent, 1000W HPS, ScrOG + topping176g

Critical Kush Auto — Sourcing & Genetics

Release Era
1990s heritage
Parent Genetics
Bubba Kush × OG Kush descendant
Lineage Notes

Critical Kush Auto was bred in Spain by a respected European seed bank and selected for stability across multiple climates before reaching the US market.

Recommended US Climate

Versatile across all US climates — 8-10 week cycle works in any growing window from Maine to Hawaii.

Critical Kush 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

Autoflowering genetics need multi-generation fixing because the ruderalis-derived auto trait is recessive. Critical Kush sits at F5 — every plant in the pack autoflowers reliably and finishes within a tight window.

Breeding Goal

Lock the autoflower trait in Critical Kush through five generations of selection.

Selection Focus

Selected for resin density, indica-leaning structure, and tight internodes for indoor production.

Pollen / Mother Source

Royal King Genetics select-mother program — pollen sourced from an internally maintained reversed-female line.

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

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