Deep Purple cannabis seeds packaging — Royal King Seeds USA
IndicaAuto
THC 17%
😊 Beginner Pick
IndicaAutoflowerIn Stock

Deep Purple Auto

Auto F4Lab Profile Available →

Well-balanced indica autoflower with euphoric and relaxed effects and compact, resin-coated structure. Ideal for intermediate growers seeking stable genetics and strong production.

Flavor:Hash, pine nut, creamy earth

Best for:🌙Evening😴Insomnia🤕Migraines
Intermediate Grower
🧬
THC
17%
Flower
9 - 11 weeks
⚖️
Yield
Medium
🎯
Difficulty
Intermediate
📏
Height
Medium
🌱
Grow
Indoor / Outdoor
💡

Grower tip: Minimal training — indicas stay compact naturally

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$11.99USD

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 Deep Purple Auto

The most common mistake growers make with Deep Purple is underestimating how dense the flower structure gets in weeks 6-8, leading to humidity problems inside the buds when airflow is inadequate. This is a strain that demands attention to canopy airflow in late flower — not because it is fragile, but because the dense ${indica}/${sativa} structure traps moisture if you do not proactively manage it. At 17% THC with caryophyllene-dominant terpenes, the quality ceiling is high — but you have to manage the specific characteristics of this cultivar to reach it.

Growing This Strain: Where Things Go Right and Wrong

The three most common issues growers report with Deep Purple:

1. Nutrient timing at the flip. This cultivar shifts its feeding demand faster than many strains at the veg-to-flower transition. Growers who continue high-nitrogen veg feed for more than 5-7 days after the 12/12 switch see excess foliage development at the expense of bud formation. Switch to bloom nutrients within the first week of seeing pistils.

**2. Late-flower humidity. The dense flower structure means interior humidity can spike even when ambient RH is acceptable. Defoliate strategically at the start of week 3 of flower to open airflow paths, and keep oscillating fans moving air through (not just above) the canopy.

3. Harvest timing. With caryophyllene as the dominant terpene, the aromatic peak does not align perfectly with the trichome maturity peak. Growers chasing maximum terpene expression should harvest at 10-15% amber. Growers prioritizing potency should wait for 15-20% amber. These are different windows — know which one you are targeting.

Flowering: 8-10 weeks. Yield: 450-550g/m² indoor / 350-500g/plant outdoor. Height: Compact (2-3 ft). Difficulty: intermediate.

Effects and Use

At 17% THC, Deep Purple delivers euphoric, relaxed, sleepy 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 Deep Purple

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
😌Relaxed
65% of people reported feeling Relaxed
😴Sleepy
65% of people reported feeling Sleepy
😊Happy
51% of people reported feeling Happy
🤤Hungry
48% of people reported feeling Hungry
🧘Calm
40% of people reported feeling Calm
🌿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
Insomnia
migraines
Pain

Strain Type

Indica 70%Sativa 20%

Strain Data Sheet

🧬THC17% - 21% (Medium-High)
🌿LineageGranddaddy Purple × Blueberry
🔬TypeAutoflower Indica
🌡ClimateAll Climates (Adaptable)
📅Harvest9 - 11 weeks from seed
📏Height2.2 - 3.8 ft | 67 - 114 cm
⚖️YieldMedium
🏠Yield Indoor9.1 oz/ft² | 257 - 364 g/m²
🌳Yield Outdoor3 - 7 oz/plant | 87 - 194 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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Deep Purple Auto
royalkingseeds.us
IG
FB
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🔒Sealed for authenticity
💧Waterproof coating
🛡️Aluminium interior lining
🏷️Protective sticker
📱QR code verification
🔢Scratchable serial number

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Deep Purple 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
17.0%
CBD
0.16%
Top Terpenes
Myrcene, Limonene, Caryophyllene
Test Lab
DB Labs (NV)
2024

Deep Purple Auto — Real Grower Yield Reports

Yield data from US growers cultivating Deep Purple 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
Outdoor, 15-gal fabric pot, partial shade257g
3×3 tent, 400W LED, single-cola153g

Deep Purple Auto — Sourcing & Genetics

Release Era
Late 2000s
Parent Genetics
Pure Hindu Kush mountain heritage
Lineage Notes

Deep Purple 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.

Deep Purple 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 selection on Deep Purple to lock the autoflower trait. Auto trigger reliability and resin density expression are uniform across the population — no rogue photoperiod plants in the pack.

Breeding Goal

Lock the autoflower trait in Deep Purple through five generations of selection.

Selection Focus

Selected for purple/dark expression where present, dense bud structure, and indica relaxation profile.

Pollen / Mother Source

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

Last Batch QC Verified
August 14, 2025· 99%+ germination
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