🌱
HybridAuto
THC 23%
Fast Grow
HybridAutoflowerIn Stock

Platinum GSC Auto

Auto F3Lab Profile Available →

Potent hybrid autoflower with euphoric and happy effects and moderate stretch and sturdy branching. Ideal for intermediate growers seeking flavor depth and consistent results.

Flavor:Sweet berry, cream, pine

Best for:🧘Anxiety🕐Anytime🌤️Depression
Intermediate Grower
🧬
THC
23%
Flower
8 - 10 weeks
⚖️
Yield
Medium
🎯
Difficulty
Intermediate
📏
Height
Medium
🌱
Grow
Indoor / Outdoor
💡

Grower tip: Dial in light intensity from day one — autos do not wait

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$15.99USD

Premium stabilized genetics · germination guaranteed

Delivers medium harvests under balanced light and nutrients
Blends euphoric and happy sensations — perfect for anxiety
Premium hybrid genetics refined for home growers

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About Platinum GSC Auto

Platinum GSC is a 60/40 hybrid testing at 23% THC with a myrcene-dominant terpene profile. At a practical level, this means a plant that offers moderate stretch with balanced branching that responds well to training, finishing in 8-10 weeks. The Myrcene/Limonene combination shapes both the aromatic profile and the effect character — this is not a one-dimensional strain.

Growing Parameters

Flowering time: 8-10 weeks from flip. Indoor yield at 600+ PPFD: 350-450g/m². Outdoor in full sun with 5+ gallon containers: 500-700g/plant. Plant height indoors after training: Tall (4-5 ft). Feed EC targets: 1.0-1.4 in veg, 1.4-1.8 in peak flower. pH range: 6.0-6.5 in soil, 5.8-6.2 in coco. Myrcene production peaks when day/night temperature differential exceeds 10°F in the final two weeks — growers who drop nighttime temps to 62-65°F during this window report stronger aromatic development.

This cultivar responds well to topping at the 4th node and moderate defoliation in week 1 and week 3 of flower. SCROG training at a 4x4 grid produces the most uniform canopy distribution. Rated intermediate difficulty.

What Users Report

Platinum GSC at 23% THC produces euphoric, happy, relaxed sensations that users consistently describe as versatile enough to serve different purposes depending on dose and setting. Lower doses lean more cerebral and functional. Higher doses bring the body effect forward. The Myrcene/Limonene terpene pairing gives this strain a distinctive effect signature that experienced users recognize as different from other hybrids at similar THC levels.

Best suited for flexible use across the day — lighter doses for daytime function, heavier doses for evening relaxation.

Terpene Profile

Dominant terpenes: Myrcene (primary), Limonene (secondary), Pinene (tertiary). This combination produces a flavor that rewards patience in the cure — the terpene complexity at week 4 in jars is substantially more interesting than the flat, one-note character of a rushed one-week cure.

Who Should Grow Platinum GSC

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 — 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

🤗Euphoric
74% of people reported feeling Euphoric
😊Happy
65% of people reported feeling Happy
😌Relaxed
58% of people reported feeling Relaxed
🤩Creative
56% of people reported feeling Creative
😎Uplifted
45% of people reported feeling Uplifted
🤤Hungry
41% of people reported feeling Hungry
😴Sleepy
38% of people reported feeling Sleepy
😆Giggly
31% of people reported feeling Giggly
🧠Focused
21% of people reported feeling Focused

Best For

Anxiety
Anytime
Depression
Insomnia

Strain Type

Indica 60%Sativa 40%

Strain Data Sheet

🧬THC23% - 26% (High)
🌿LineageGirl Scout Cookies × Wedding Cake
🔬TypeAutoflower Hybrid
🌡ClimateAll Climates (Adaptable)
📅Harvest8 - 10 weeks from seed
📏Height2.2 - 3.7 ft | 66 - 112 cm
⚖️YieldMedium
🏠Yield Indoor9.0 oz/ft² | 256 - 362 g/m²
🌳Yield Outdoor3 - 7 oz/plant | 86 - 192 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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Platinum GSC 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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Platinum GSC 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
23.0%
CBD
0.11%
Top Terpenes
Limonene, Caryophyllene, Linalool
Test Lab
MCR Labs (MA)
2025

Platinum GSC Auto — Real Grower Yield Reports

Yield data from US growers cultivating Platinum GSC 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, 25-gal fabric pot, full sun295g
5×5 tent, 730W LED, ScrOG + topping189g
5×5 tent, 730W LED, SCROG189g

Platinum GSC Auto — Sourcing & Genetics

Release Era
Early 2000s
Parent Genetics
Wedding Cake × Cookies family descendant
Lineage Notes

Platinum GSC Auto was first stabilized in Amsterdam coffee-shop circles in the 2000s and adapted to American growing conditions through North American breeding programs.

Recommended US Climate

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

Platinum GSC 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 Program — five-generation auto trait fixing
Stabilization Notes — What This Means for Your Grow

Platinum GSC is an autoflowering line that has been worked through five generations of Royal King Genetics autoflower stabilization. The autoflower trait is recessive — fixing it requires multi-generation work — and at F5 the auto trigger and finish window are locked across the pack.

Breeding Goal

Lock the autoflower trait in Platinum GSC through five generations of selection.

Selection Focus

Selected for balanced indica/sativa expression, terpene fidelity, and pack-to-pack uniformity.

Pollen / Mother Source

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

Last Batch QC Verified
March 28, 2025· 99%+ germination
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