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Ace of Spades Feminized
Well-balanced feminized indica with relaxed and sleepy effects and tight node spacing. Ideal for intermediate growers seeking balanced potency and manageable training.
βFlavor:Sweet grape, pine, woody incense
Grower tip: Support heavy colas with stakes as they mature
Premium stabilized genetics Β· germination guaranteed
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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, 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, 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, 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, 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, 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.
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Ace of Spades Strain Review
Want the full breakdown of effects, lineage, terpene profile, and a complete grow guide? Read our in-depth Ace of Spades strain review.
Ace of Spades Feminized, Cannabinoid & Terpene Reference
Reference ranges aggregated from publicly-reported third-party lab data and breeder documentation. Total THC reported as max-potential (THC + 0.877 Γ THCA). Individual seed-lot expression may vary by 1-3 percent.
Ace of Spades Feminized, Aggregated Grower Yield Reports
Yield ranges aggregated from public grower journals, breeder-documented spec sheets, and cultivation community reports on Ace of Spades Feminized feminized seeds. First-time growers should expect 70-85 percent of these numbers.
| Setup | Yield |
|---|---|
| 4Γ4 tent, 1000W HPS, SCROG | 472g |
| 5Γ5 tent, 1000W HPS, ScrOG + topping | 472g |
| 3Γ3 tent, 400W LED, LST | 472g |
Ace of Spades Feminized, Sourcing & Genetics
Ace of Spades Feminized is a modern stabilized hybrid developed through 5+ generations of phenotype hunting in Colorado and Oregon legal grow operations.
Cold-tolerant; performs well in short-season Northern states (ME, VT, MN, WI). Indoor cultivation works anywhere.
Ace of Spades Feminized, Breeder Information
Royal King GeneticsBred and stabilized in-house by Royal King Genetics , our internal breeding team. Every order is backed by our 95% germination guarantee. Read our full breeding process and about page.
F4 stabilization on Ace of Spades. Each generation we cull aggressively against off-types, the F4 population reflects only the phenos that match the cultivar reference profile.
Eliminate off-type phenos in Ace of Spades through filial selection.
Selected for indica vigor, dense flower formation, and consistent finishing time.
Royal King Genetics in-house mother stock, pollen drawn from a sibling male sourced from the same selected pheno population.