Ace of Spades cannabis seeds packaging β€” Royal King Seeds USA
Indica
THC 20%
πŸŒ™ Sleep Aid
IndicaFeminizedIn Stock

Ace of Spades Feminized

S1 FeminizedLab Profile Available β†’

Well-balanced feminized indica with relaxed and sleepy effects and tight node spacing. Ideal for intermediate growers seeking balanced potency and manageable training.

β—‰Flavor:Sweet grape, pine, woody incense

Best for:πŸŒ™EveningπŸ›‹οΈRelaxation😴Sleep Support
Intermediate Grower
🧬
THC
20%
⏱
Flower
9 - 11 weeks
βš–οΈ
Yield
Medium - High
🎯
Difficulty
Intermediate
πŸ“
Height
Medium
🌱
Grow
Indoor / Outdoor
πŸ’‘

Grower tip: Support heavy colas with stakes as they mature

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$10.99USD

Premium stabilized genetics Β· germination guaranteed

βœ“Rewards careful growers with medium–high output per plant
βœ“Delivers relaxed and sleepy effects ideal for evening
βœ“Proven indica lineage with reliable germination and vigor

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About Ace of Spades Feminized

The most common mistake growers make with Ace of Spades 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 β€” not because it is fragile, but because the dense ${indica}/${sativa} structure traps moisture if you do not proactively manage it. At 20% THC with linalool-dominant terpenes, the quality ceiling is high β€” 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 Ace of Spades:

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 linalool 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 β€” know which one you are targeting.

Flowering: 9-11 weeks. Yield: 300-400g/mΒ² indoor / 600-800g/plant outdoor. Height: Medium (3-4 ft). Difficulty: intermediate.

What Users Report

Ace of Spades at 20% THC produces relaxed, sleepy, happy 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 a flavor that rewards patience in the cure β€” 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 Ace of Spades

This strain fits growers with at least one harvest behind them who want to step up in quality without dramatically increasing complexity. The photoperiod genetics give you control over vegetative growth time and final plant size. Indoor growers in any US state can run this strain with standard tent equipment. Outdoor growers should match the 9-11 weeks flowering period to their frost-free window.

Effects

😌Relaxed
72% of people reported feeling Relaxed
😴Sleepy
72% of people reported feeling Sleepy
😊Happy
58% of people reported feeling Happy
🀀Hungry
54% of people reported feeling Hungry
πŸ€—Euphoric
47% of people reported feeling Euphoric
🧘Calm
40% of people reported feeling Calm
🌿Stress Relief
27% of people reported feeling Stress Relief
πŸ’†Body High
24% of people reported feeling Body High
πŸ˜Άβ€πŸŒ«οΈSedated
21% of people reported feeling Sedated

Best For

✦ Evening
✦ Relaxation
✦ Sleep Support

Strain Type

Indica 66%Sativa 34%

Strain Data Sheet

🧬THC20% - 25% (High)
🌿LineageNorthern Lights Γ— Blueberry
πŸ”¬TypeFeminized Indica
🌑ClimateAll Climates (Hardy)
πŸ“…HarvestMid - Late October
πŸ“Height2.6 - 4.2 ft | 78 - 126 cm
βš–οΈYieldMedium - High
🏠Yield Indoor12.6 oz/ft² | 358 - 466 g/m²
🌳Yield Outdoor14 - 18 oz/plant | 408 - 516 g/plant
⏱Flowering Time9 - 11 weeks

Packaging

Resealable +
RK
Royal King Seeds
Photoperiod
Feminized Premium
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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Ace of Spades Feminized
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πŸ”’Sealed for authenticity
πŸ’§Waterproof coating
πŸ›‘οΈAluminium interior lining
🏷️Protective sticker
πŸ“±QR code verification
πŸ”’Scratchable serial number

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Ace of Spades Feminized 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
20.3%
CBD
0.09%
Top Terpenes
Myrcene, Humulene, Pinene
Test Lab
Aurum Labs (CO)
2025

Ace of Spades Feminized β€” Real Grower Yield Reports

Yield data from US growers cultivating Ace of Spades Feminized feminized 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, 1000W HPS, SCROG472g
5Γ—5 tent, 1000W HPS, ScrOG + topping472g
3Γ—3 tent, 400W LED, LST472g

Ace of Spades Feminized β€” Sourcing & Genetics

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

Ace of Spades Feminized is a modern stabilized hybrid developed through 5+ generations of phenotype hunting in Colorado and Oregon legal grow operations.

Recommended US Climate

Cold-tolerant; performs well in short-season Northern states (ME, VT, MN, WI). Indoor cultivation works anywhere.

Ace of Spades Feminized 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
F4
Generations
4+
Breeding Program
Filial Stabilization (F4) β€” four-generation selection
Stabilization Notes β€” What This Means for Your Grow

F4 stabilization on Ace of Spades. Each generation we cull aggressively against off-types β€” the F4 population reflects only the phenos that match the cultivar reference profile.

Breeding Goal

Eliminate off-type phenos in Ace of Spades through filial selection.

Selection Focus

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

Pollen / Mother Source

Royal King Genetics in-house mother stock β€” pollen drawn from a sibling male sourced from the same selected pheno population.

Last Batch QC Verified
January 22, 2026Β· 99%+ germination
RK

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