Sour Tsunami cannabis seeds packaging, Royal King Seeds USA
Hybrid
THC 7%
🎨 Creative
HybridFeminizedIn Stock

Sour Tsunami Feminized

S1 FeminizedLab Profile Available →

Gentle feminized hybrid with happy and relaxed effects and balanced hybrid structure. Ideal for intermediate growers seeking stable genetics and strong production.

Flavor:Citrus, sweet fruit, herbal earth

Best for:🕐Anytime🌤️Depression🤢Ease nausea
Intermediate Grower
🧬
THC
7%
Flower
9 - 11 weeks
⚖️
Yield
Medium - High
🎯
Difficulty
Intermediate
📏
Height
Tall
🌱
Grow
Indoor / Outdoor
💡

Grower tip: LST during veg creates an even canopy and more bud sites

Select Pack Size
$11.49USD

Premium stabilized genetics · germination guaranteed

Generates medium–high production in both indoor and outdoor setups
Hits with clean happy effects that shine during anytime
Hybrid-dominant genetics with stable, consistent phenotype

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About Sour Tsunami Feminized

The most common mistake growers make with Sour Tsunami is treating it like a simple "set and forget" cultivar. While ${name} is forgiving, the ${indica}/${sativa} balance means it responds noticeably to feeding adjustments at the veg-to-flower transition. Growers who continue veg-ratio nutrients into early flower miss 10-15% of this strain's yield potential by not switching to bloom feed when the first pistils appear. At 7% THC with limonene-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 Sour Tsunami:

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. Training timing. Topping too late or too early both cost yield. The sweet spot: top at the 4th node when the 5th is just emerging. This gives you 4-6 strong laterals that develop into even colas. Earlier topping produces weaker branches. Later topping wastes veg time.

3. Harvest timing. With limonene 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: 450-550g/m² indoor / 350-500g/plant outdoor. Height: Compact (2-3 ft). Difficulty: intermediate.

Effects and Use

At 7% THC, Sour Tsunami delivers happy, relaxed, uplifted effects with a limonene-influenced character. The onset is balanced, head and body arrive together and remain proportional throughout a 2-3 hour duration. This makes the strain adaptable to different situations depending on dose. The limonene dominance keeps the mental space bright and slightly elevated even when the body relaxes.

Terpene Profile

Dominant terpenes: Limonene (primary), Caryophyllene (secondary), Linalool (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 Sour Tsunami

Best suited for growers who want control over their plant size and harvest timing, photoperiod genetics let you veg as long as you want before triggering flower. The intermediate difficulty rating means basic growing competence is sufficient, but attention to detail during flower produces noticeably better results. Ships discreetly to all 50 US states with our germination guarantee.

Effects

😊Happy
72% of people reported feeling Happy
😌Relaxed
65% of people reported feeling Relaxed
😎Uplifted
58% of people reported feeling Uplifted
🤩Creative
56% of people reported feeling Creative
🤗Euphoric
47% of people reported feeling Euphoric
🤤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

Anytime
Depression
Ease nausea
Lack of Appetite

Strain Type

Indica 40%Sativa 60%

Strain Data Sheet

🧬THC15% - 20% (Medium-High)
🌿LineageGirl Scout Cookies × Wedding Cake
🔬TypeFeminized Hybrid
🌡ClimateMediterranean, Temperate
📅HarvestMid - Late October
📏Height3.8 - 5.9 ft | 113 - 176 cm
⚖️YieldMedium - High
🏠Yield Indoor13.2 oz/ft² | 373 - 496 g/m²
🌳Yield Outdoor15 - 19 oz/plant | 423 - 546 g/plant
Flowering Time9 - 11 weeks

Packaging

Resealable +
RK
Royal King Seeds
Photoperiod
Feminized Premium
Seeds
Premium US 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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Sour Tsunami 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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Sour Tsunami 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 × THCA). Individual seed-lot expression may vary by 1-3 percent.

Total THC
6.7%
CBD
0.16%
Top Terpenes
Limonene, Caryophyllene, Myrcene

Sour Tsunami Feminized, Aggregated Grower Yield Reports

Yield ranges aggregated from public grower journals, breeder-documented spec sheets, and cultivation community reports on Sour Tsunami Feminized feminized seeds. First-time growers should expect 70-85 percent of these numbers.

SetupYield
Outdoor, greenhouse, supplemental light715g
3×3 tent, 400W LED, single-cola492g

Sour Tsunami Feminized, Sourcing & Genetics

Release Era
Early 2000s
Parent Genetics
Modern stabilized 50/50 hybrid
Lineage Notes

Sour Tsunami Feminized was developed in the 1990s and has been continuously refined since, modern releases are far more stable than the original 90s phenotypes.

Recommended US Climate

Adaptable to most US climates. Performs best in moderate temperature ranges (60-85°F). Indoor recommended in extreme climates.

Sour Tsunami Feminized, Breeder Information

Royal King Genetics

Bred 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.

Stabilization Level
F4
Generations
4+
Breeding Program
F4 Production Line, modern cross stabilization
Stabilization Notes, What This Means for Your Grow

F4 stabilization on Sour Tsunami. Each generation we cull aggressively against off-types, the F4 population reflects only the phenos that match the cultivar reference profile.

Breeding Goal

Take Sour Tsunami from F1 cross to F4 production-ready seed stock.

Selection Focus

Selected for terpene profile, vigor, structure, and finishing-time consistency.

Pollen / Mother Source

Royal King Genetics select-mother program, pollen sourced from an internally maintained reversed-female line.

Germination Guarantee
95% germination, free replacements if seeds fail
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