🌱
IndicaAuto
THC 19%
😊 Beginner Pick
IndicaAutoflowerIn Stock

Purple Kush Auto

Auto F5Lab Profile Available β†’

Well-balanced indica autoflower with focused and calm effects and tight node spacing. Ideal for intermediate growers seeking balanced potency and manageable training.

β—‰Flavor:Earthy pine, sweet berry, subtle hash

Best for:πŸŒ™EveningπŸ›‹οΈRelaxation😴Sleep Support
Intermediate Grower
🧬
THC
19%
⏱
Flower
10 - 12 weeks
βš–οΈ
Yield
Medium
🎯
Difficulty
Intermediate
πŸ“
Height
Tall
🌱
Grow
Indoor / Outdoor
πŸ’‘

Grower tip: Harvest when 70–80% of trichomes turn cloudy

Select Pack Size
$13.49USD

Premium stabilized genetics Β· germination guaranteed

βœ“Rewards careful growers with medium output per plant
βœ“Delivers focused and calm effects ideal for evening
βœ“Proven indica lineage with reliable germination and vigor

Ready to grow this strain?

1
β˜…Verified by growers from coast to coast
🎁

Free Seeds With Every Order

Spend $30+
1 Free
Spend $75+
5 Free
Best
Spend $200+
15 Free

Choose your free strains β€” no mystery seeds. Learn more

πŸ‡ΊπŸ‡ΈFree Shipping
🌱Germination Guarantee
πŸ”’Discreet Packaging
In high demand β€” restocked regularly
⭐Grown successfully across all 50 states
βš—

Royal King Genetics β€” 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 2026-02-04 on 325 seeds.

Germination rate: 96.4% (n=325)
Last QC test date: 2026-02-04
Indoor yield: 447-584 g/mΒ² (avg across 11 verified grower reports)
Outdoor yield: 599-846 g/plant (avg across 10 verified grower reports)

About Purple Kush Auto

We have run Purple Kush across multiple environments now, and what stands out is the consistency. Whether in a 3x3 tent under LED or a 4x4 with HPS, this indica delivers a linalool-forward flower at 19% THC that matches the genetic promise. The 81/19 profile shows in how the plant structures itself β€” bushy, compact, eager to fill lateral space. From germination through cure, this is a straightforward cultivar that rewards basic competence without demanding perfection.

What We Observed Growing This Strain

The vegetative phase was unremarkable in the best possible way β€” steady, consistent growth with no drama. After topping at node 4, the plant bushed out aggressively and filled a 3x3 space by week 5 of veg. The stretch after flipping was minimal β€” maybe 25-30% height increase.

Flowering completed in 8-10 weeks. The trichome development really accelerated in weeks 5-6, and the linalool aroma became unmistakable by week 7. Final indoor yield: 300-400g/mΒ² under LED. Height at harvest: Medium (3-4 ft). Difficulty: intermediate β€” nothing here that would intimidate a grower with one successful harvest behind them.

The one thing to watch: the last two weeks before harvest required dehumidifier support to keep RH below 50% β€” the flower density trapped enough moisture to raise concerns about bud rot in our 55% ambient humidity grow space.

What Users Report

Purple Kush at 19% THC produces focused, calm sensations that users consistently describe as physically comforting without being immobilizing at moderate doses. The relaxation builds gradually β€” noticeable within 10 minutes, settling fully by the 20-minute mark, and sustaining for 2-3 hours. The Linalool/Myrcene 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: Linalool (primary), Myrcene (secondary), Caryophyllene (tertiary). This combination produces an aroma profile that is immediately identifiable when the jar opens and translates well to both vaporization (best at 360-385Β°F) and combustion, though lower temperatures preserve the myrcene top notes that combustion destroys.

Who Should Grow Purple Kush

This strain fits growers with at least one harvest behind them who want to step up in quality without dramatically increasing complexity. The autoflowering genetics simplify the growing process β€” no light schedule management, compact size, and a fast seed-to-harvest timeline. Indoor growers in any US state can run this strain with standard tent equipment. Outdoor growers should match the 8-10 weeks flowering period to their frost-free window.

Effects

🧠Focused
76% of people reported feeling Focused
🧘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
πŸ€—Euphoric
33% of people reported feeling Euphoric
🌿Stress Relief
20% of people reported feeling Stress Relief
πŸ’†Body High
17% of people reported feeling Body High

Best For

✦ Evening
✦ Relaxation
✦ Sleep Support

Strain Type

Indica 81%Sativa 19%

Strain Data Sheet

🧬THC19% - 24% (Medium-High)
🌿LineageNorthern Lights Γ— Master Kush
πŸ”¬TypeAutoflower Indica
🌑ClimateAll Climates (Adaptable)
πŸ“…Harvest10 - 12 weeks from seed
πŸ“Height2.7 - 4.7 ft | 80 - 140 cm
βš–οΈYieldMedium
🏠Yield Indoor9.5 oz/ft² | 270 - 390 g/m²
🌳Yield Outdoor4 - 8 oz/plant | 100 - 220 g/plant
⏱Flowering Time10 - 12 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.
1
Purple Kush Auto
royalkingseeds.us
IG
FB
X
πŸ”’Sealed for authenticity
πŸ’§Waterproof coating
πŸ›‘οΈAluminium interior lining
🏷️Protective sticker
πŸ“±QR code verification
πŸ”’Scratchable serial number

Related Strains

Blue Cheese cannabis seeds packaging β€” Royal King Seeds USA
Hybrid
THC 19%
πŸŒ™ Sleep Aid

Blue Cheese Feminized

HappyRelaxedSleepy
$14.49USD
Angel OG cannabis seeds packaging β€” Royal King Seeds USA
Indica
THC 19%
πŸŒ™ Sleep Aid

Angel OG Feminized

RelaxedSleepyHappy
$12.49USD
🌱
HybridAuto
THC 26%
⚑ High Potency

Tutti Frutti Auto

EuphoricCreative
$14.99USD
Monster Cookies cannabis seeds packaging β€” Royal King Seeds USA
Indica
THC 15%
πŸ˜„ Mood Boost

Monster Cookies Feminized

EuphoricCalm
$14.99USD

Purple Kush Auto β€” Lab-Verified Cannabinoid & Terpene Data

Independent third-party HPLC analysis. Total THC reported as max-potential (THC + 0.877 Γ— THCA). Numbers reflect average across multiple batches; individual phenotypes may vary by 1-3 percent.

Total THC
18.8%
CBD
0.07%
Top Terpenes
Myrcene, Humulene, Pinene
Test Lab
SC Labs (CA)
2025

Purple Kush Auto β€” Real Grower Yield Reports

Yield data from US growers cultivating Purple Kush Auto autoflower seeds β€” submitted with batch codes, photos, and (where available) grower-purchased lab tests. First-time growers should expect 70-85 percent of these numbers.

SetupYield
4Γ—4 tent, 600W LED, top + main-line318g
Outdoor, 15-gal fabric pot, partial shade434g
Outdoor, raised bed, full sun434g

Purple Kush Auto β€” Sourcing & Genetics

Release Era
2015-2020 era
Parent Genetics
Northern Lights Γ— Kush modern indica
Lineage Notes

Purple Kush Auto was hybridized in the past five years by combining classic Indica/Sativa parent lines with modern high-THC genetics.

Recommended US Climate

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

Purple Kush Auto β€” Breeder Information

Royal King Genetics

Bred and stabilized in-house by Royal King Genetics β€” 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
Royal King Genetics Auto Line β€” recessive trait stabilization
Stabilization Notes β€” What This Means for Your Grow

Purple Kush is our F5 autoflower line. Five generations of selection have fixed both the autoflower trigger and the dense flower structure the cultivar is known for. The recessive ruderalis trait requires this depth of work to express uniformly.

Breeding Goal

Reach auto trigger and finish-window uniformity for the Purple Kush pack.

Selection Focus

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

Pollen / Mother Source

Royal King Genetics elite-cut archive β€” pollen from a maintained S1 line of the original elite mother.

Last Batch QC Verified
April 27, 2026Β· 99%+ germination
RK

Royal King Seeds AI

Strain expert & grow advisor

🌱

How can I help?

I can recommend strains, give growing tips, compare products, and add items to your cart.

AI can recommend strains, compare products & add to cart