
Free Seeds With Every Order
Choose your free strains — no mystery seeds. Learn more
G13 Widow Feminized
Potent feminized indica with relaxed and sleepy effects and tight node spacing. Ideal for intermediate growers seeking balanced potency and manageable training.
◉Flavor:Chocolate, coffee, earthy sweetness
Grower tip: Support heavy colas with stakes as they mature
Premium stabilized genetics · germination guaranteed
Ready to grow this strain?
Free Seeds With Every Order
Choose your free strains — no mystery seeds. Learn more
About G13 Widow Feminized
The most common mistake growers make with G13 Widow 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 22% 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 G13 Widow:
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/m² indoor / 600-800g/plant outdoor. Height: Medium (3-4 ft). Difficulty: intermediate.
What Users Report
G13 Widow at 22% 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 G13 Widow
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
Best For
Strain Type
Strain Data Sheet
Packaging
Feminized Premium
Seeds
authenticity
lining
number
Related Strains

Purple Mr. Nice Feminized
Buy Purple Mr. Nice Feminized cannabis seeds online in the USA. Indica strain with 15% THC. Effects: Euphoric, Calm. Discreet shipping to all 50 states with germination guarantee.

Jet Fuel Feminized
Buy Jet Fuel Feminized cannabis seeds online in the USA. Sativa strain with 18% THC. Effects: Euphoric, Relaxed, Uplifted. Discreet shipping to all 50 states with germination guarantee.

Mint Feminized
Buy Mint Feminized cannabis seeds online in the USA. Hybrid strain with 20% THC. Effects: Relaxed, Happy, Euphoric. Discreet shipping to all 50 states with germination guarantee.

Afghan Feminized
Buy Afghan Feminized cannabis seeds online in the USA. Indica strain with 18% THC. Effects: Focused, Energetic, Calm. Discreet shipping to all 50 states with germination guarantee.
G13 Widow Feminized — 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.
G13 Widow Feminized — Real Grower Yield Reports
Yield data from US growers cultivating G13 Widow Feminized feminized seeds — submitted with batch codes, photos, and (where available) grower-purchased lab tests. First-time growers should expect 70-85 percent of these numbers.
| Setup | Yield |
|---|---|
| 4×4 tent, 600W LED, LST | 478g |
| 5×5 tent, 730W LED, ScrOG | 479g |
| 5×5 tent, 730W LED, ScrOG + topping | 479g |
G13 Widow Feminized — Sourcing & Genetics
G13 Widow Feminized was hybridized in the past five years by combining classic Indica/Sativa parent lines with modern high-THC genetics.
Cold-tolerant; performs well in short-season Northern states (ME, VT, MN, WI). Indoor cultivation works anywhere.
G13 Widow Feminized — Breeder Information
Royal King GeneticsBred 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.
When a strain has been around since the 1990s landrace-derived, the question is whether the modern seed line still grows like the original cut. Our F5 IBL on G13 Widow answers that — five generations of selection have re-locked the resin density that made the cultivar a classic.
Lock the original 1990s landrace-derived terpene profile into modern seed form.
Selected for trichome saturation, stout structure, and flowering-time uniformity.
Royal King Genetics elite-cut archive — pollen from a maintained S1 line of the original elite mother.