Cold War Kush cannabis seeds packaging — Royal King Seeds Canada
Indica
THC 21%%
IndicaFeminizedIn Stock

Cold War Kush Feminized

S1 FeminizedSee Lab Report →

Potent feminized indica with relaxed and sleepy effects and compact, resin-coated structure. Ideal for intermediate growers seeking stable genetics and strong production.

Flavor:Chocolate, coffee, earthy sweetness

Best for:🌙Evening🛋️Relaxation😴Sleep Support
Intermediate Grower
🧬
THC
21%
Flower
9 - 11 weeks
⚖️
Yield
High
🎯
Difficulty
Intermediate
📏
Height
Tall
🌱
Grow
Indoor / Outdoor
💡

Grower tip: Maintain strong airflow — dense indica buds risk mold in late flower

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$20.29CAD

Premium stabilized genetics · germination guaranteed

Generates high production in both indoor and outdoor setups
Hits with clean relaxed effects that shine during evening
Indica-dominant genetics with stable, consistent phenotype

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Trusted by thousands of Canadian growers

Royal King Genetics — 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 2026-04-12 on 275 seeds.

Germination rate: 96.2% (n=275)
Last QC test date: 2026-04-12
Indoor yield: 440-582 g/m² (avg across 16 verified grower reports)
Outdoor yield: 620-864 g/plant (avg across 3 verified grower reports)

About Cold War Kush Feminized

Every grower has a handful of strains that earned permanent shelf space. Cold War Kush Feminized makes that list for a lot of Canadian cultivators, and the reasons are practical rather than glamorous. The indica genetics produce plants that reward skilled feeding and environmental control with exceptional resin production. The Relaxed high is predictable in the best way — you know what you are getting, and it delivers.

The fuel terpene presence is strong enough to carry the entire flavor profile, though pine and diesel add welcome complexity on the exhale. Testing at 19-23% THC, this photoperiod cultivar sits in the sweet spot where potency meets functionality. That balance is harder to breed than raw THC numbers, and it is exactly what makes Cold War Kush Feminized worth running in a feminized seed format.

Effects & Experience

Breaking down what Cold War Kush Feminized actually does to you: the Relaxed quality hits first, and it hits with conviction. This is a indica that knows what it is — there is no ambiguity about the experience you are signing up for. The 65/35 split reads clearly in the high: heavy limbs, quiet mind, a sense that gravity has increased and you are perfectly fine with it.

The Sleepy secondary effect is the one people tend to mention when describing why they come back to this strain. It does not overpower the primary Relaxed quality — it enriches it. Think of it as the difference between a one-note synthesizer and a full chord. The Happy quality surfaces during the back half of the session and provides the emotional resolution.

For morning versus evening use: evening, full stop. Trying to use this strain productively before noon is swimming upstream.

THC testing at 19-23% puts Cold War Kush Feminized in the moderate-to-strong range — accessible but not trivial.

Flavor & Terpene Profile

Cold War Kush Feminized announces its terpene profile before you even grind the bud. The jar aroma is fuel-dominant with pine supporting notes — a preview of what the smoke delivers. The Linalool content is responsible for the floral, lavender foundation, and it expresses itself with genuine intensity in well-grown and properly cured examples.

The inhale is where first impressions form. fuel takes center stage, carried by smooth, medium-density smoke that sits well on the lungs. There is no harshness or hay-like quality when the cure is right — just clean flavor from start to finish. The transition to exhale reveals a second layer: pine comes forward, and subtle diesel notes add complexity that keeps each draw interesting. The aftertaste is hash with a persistence that lasts 20-30 seconds — long enough to savor.

For vaporizer users, Cold War Kush Feminized rewards low-temperature sessions. Starting at 335°F captures the lightest terpenes — expect bright fuel notes with a clarity that combustion cannot match. Stepping up to 360°F brings in the Myrcene (earthy, musky) compounds, adding body and depth. Above 380°F, you are extracting efficiently but the flavor profile compresses into a one-note character.

The science behind the flavor: Linalool makes up the largest share of the terpene fraction and is responsible for both the floral, lavender taste and the calming and tranquil contribution to the overall experience. Myrcene plays a dual role — its earthy, musky flavor notes are enjoyable on their own, but this terpene also contributes sedating and physically relaxing properties that synergize with the THC content. The third player, Humulene, contributes hoppy, woody, herbal accents that prevent flavor fatigue during longer sessions.

Why this matters: terpenes are not just about taste. The Linalool and Myrcene combination in Cold War Kush Feminized actively shapes the character of the high. Strains with similar THC percentages but different terpene profiles produce noticeably different experiences — this is the entourage effect in action, and Cold War Kush Feminized demonstrates it clearly.

Growing Cold War Kush Feminized in Canada

Here is what you need to know before popping Cold War Kush Feminized seeds. This intermediate-level photoperiod runs 7-9 weeks in flower after your chosen veg period, reaches 80-120cm indoors, and yields 400-550g/m² with competent care. Those are the numbers. Here is the context.

Starting the Grow: Germinate using the paper towel method or directly in a starter plug. Cold War Kush Feminized seeds typically crack within 48-72 hours at 75-80°F and high humidity. Transplant seedlings into their final container by day 10-14 — start in solo cups or 1-gallon pots and transplant to 3-7 gallon containers before flipping to flower. Check our germination guide for step-by-step technique.

Indoor Environment: Target 75-80°F during lights-on and 65-70°F during lights-off. Humidity should follow the growth stage: 65-70% during seedling, 50-60% during veg, and 40-50% during flower. This strain develops dense buds that trap moisture — dropping humidity to 40% during the last two weeks of flower reduces botrytis risk significantly.

Outdoor Timing for Canadian Provinces: - British Columbia: Start outdoor transplant mid-May. Harvest late September to mid-October. - Ontario: Last frost typically mid-May. Same transplant timing. Harvest by Thanksgiving weekend at the latest. - Alberta/Prairies: Shorter season — start indoors early and transplant after May long weekend. Choose faster-finishing phenotypes. - Maritimes: High humidity regions — extra airflow and wider plant spacing are essential to prevent mold.

Training and Canopy Management: Top once at the 5th node and allow 4-6 main colas to develop. LST the resulting branches to create a flat, even canopy that maximizes light distribution. ScrOG netting works well for growers comfortable with the technique.

Yield Optimization: To push Cold War Kush Feminized toward the upper end of the 400-550g/m² range indoors, maintain consistent PPFD above 600 during flower, supplement with CO2 if your setup allows, and extend the dark period to 48 hours before harvest. Outdoor yields of 450-650g/plant require full sun, consistent feeding through mid-flower, and protection from September rain.

Mistakes to Avoid: Under-feeding during the calyx swell phase (weeks 5-7 of flower) limits final bud density. Do not reduce nutrients too early — maintain bloom feeding until the final 10-14 day flush. Explore our feminized cannabis seeds collection for similar genetics that share these growing characteristics.

Post-Harvest Processing of Cold War Kush Feminized

The work does not end at chop. How you process Cold War Kush Feminized after harvest has as much impact on final quality as the entire grow cycle that preceded it. Growers often find this is where they either lock in everything they worked for or let it slip through their fingers.

Wet trim vs dry trim: With the dense bud structure of this strain, a light wet trim of the largest fan leaves followed by a full dry trim produces the best results. Removing the large fans at chop improves airflow around the dense buds during drying, reducing the risk of mold in the bud interior. Either approach works — consistency is more important than the specific method.

Drying environment: 60°F, 55-60% relative humidity, complete darkness, gentle air circulation (fan on the wall, not pointed at the plants). In Canadian homes, fall and winter provide naturally cool conditions that support a slow dry. Summer growers may need to run a small air conditioner or dehumidifier to maintain proper conditions. The ideal dry takes 10-14 days. Under 7 days indicates the environment is too warm or dry. Over 18 days suggests it is too cold or humid.

Curing science: Curing is not simply about drying further — it is a controlled decomposition process where chlorophyll breaks down, starches convert to sugars, and terpene profiles develop their full complexity. Cold War Kush Feminized benefits from extended curing because the Linalool terpene develops slowly. Jars opened at two weeks will taste noticeably different (and better) than the same flower at four weeks. We recommend a minimum four-week cure for this strain.

Quality indicators to watch during cure: The fuel aroma should intensify gradually over the first 3-4 weeks. If you detect ammonia or hay-like smells, the flower was jarred too wet — open the jars immediately and allow additional drying before re-sealing. Properly cured Cold War Kush Feminized should smell cleanly of fuel and pine with no off-notes. The buds should feel slightly sticky without being damp, and should break apart with a clean snap rather than crumbling to dust.

For more post-harvest techniques, refer to our germination guide. Comparable strains like Mag Landrace Feminized and Purple Monkey Balls Feminized respond to similar curing protocols.

Who Cold War Kush Feminized Is For

Know your goals before buying seeds, and Cold War Kush Feminized will either fit or it won't. This strain is designed for Relaxed and Evening / Relaxation. If those are priorities, proceed with confidence.

Grower fit: Best for growers with at least one successful harvest behind them. Not demanding, but it responds to skilled growing with noticeably better results. Photoperiod genetics offer more control for experienced growers who want to tune the cycle length to their setup.

Consumer fit: The 65/35 split targets evening and nighttime use. If you are consuming cannabis primarily for relaxation, sleep, or physical comfort, this strain aligns with those goals. THC at 19-23% means most consumers can find a comfortable dose with reasonable trial.

Not the right fit for: Productivity-focused consumers. Growers in cramped spaces who still want big sativa yields.

How Cold War Kush Feminized Compares

Honest positioning of Cold War Kush Feminized in the indica landscape: there are strains with higher THC, strains with bigger yields, and strains with louder flavors. What Cold War Kush Feminized does better than most is bring all three together in a package that actually performs in the garden without drama.

Side-by-side with comparable genetics (Mag Landrace Feminized, Purple Monkey Balls Feminized, Purple People Eater Feminized), the differences come down to emphasis. Cold War Kush Feminized prioritizes fuel terpene expression and Relaxed effect consistency. Competitors in this space tend to chase either potency or yield at the expense of flavor, and the smoke shows it.

Key comparison points: - THC: 19-23% puts Cold War Kush Feminized in the competitive middle - Yield: 400-550g/m² indoors is in line with category expectations - Difficulty: intermediate — comparable to peers - Flavor: Distinctive fuel character that separates it from the generic terpene profiles many competitors offer

The photoperiod format means this strain competes against the full field, not just the auto subset. It holds up well on merit.

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
🤗Euphoric
47% of people reported feeling Euphoric
🧘Calm
40% of people reported feeling Calm
🌿Stress Relief
27% of people reported feeling Stress Relief
💆Body High
24% of people reported feeling Body High
😶‍🌫️Sedated
21% of people reported feeling Sedated

Best For

Evening
Relaxation
Sleep Support

Strain Type

Indica 65%Sativa 35%

Strain Data Sheet

🧬THC21% - 26% (High)
🌿LineagePurple Punch × Bubba Kush
🔬TypeFeminized Indica
🌡ClimateAll Climates (Hardy)
📅HarvestMid - Late October
📏Height3.1 - 5.2 ft | 93 - 156 cm
⚖️YieldHigh
🏠Yield Indoor17.4 oz/ft² | 493 - 636 g/m²
🌳Yield Outdoor16 - 24 oz/plant | 443 - 686 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 Canada under the Cannabis Act (2018). Customers are responsible for understanding local laws.
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Cold War Kush Feminized
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🔒Sealed for authenticity
💧Waterproof coating
🛡️Aluminium interior lining
🏷️Protective sticker
📱QR code verification
🔢Scratchable serial number

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Cold War Kush Feminized— Breeder & Stabilization Detail

Royal King Genetics

Bred and stabilized in-house by Royal King Genetics — the internal breeding team at Royal King Seeds. Every batch is QC'd and germ-tested above 99% before it ships to a Canadian customer. Read the full breeding process or learn more on the about page.

Stabilization Level
BX3
Generations Worked
4+
Breeding Program
Royal King Genetics Backcross Line — BX3 clone-only stabilization
Stabilization Notes — What This Means for Your Grow

A late-2010s clone-only original carried into seed form via a three-generation backcross program. Vigor, terpene character, and resin density are all locked. The pack runs true to the cut your buddy was running off a clone last summer.

Breeding Goal

Bring the Cold War Kush clone-only cut back as a stable seed line.

Selection Focus

Picked for trichome saturation, stout build, and a consistent flowering window.

Pollen / Mother Source

Royal King Genetics elite-cut archive — pollen taken from a maintained S1 line of the original elite mother.

Last Batch QC Verified
March 21, 2026· 99%+ germination
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