Sour Tsunami CBD cannabis seeds packaging — Royal King Seeds UK
Cbd
THC 24%
🌙 Sleep Aid
CBDFeminisedIn Stock

Sour Tsunami CBD Feminised

Feminised PhotoperiodSee Lab Report →

Sour Tsunami CBD Feminised cannabis seeds for UK growers. Cbd · 24% THC · relaxed, calm, focused. Discreet UK delivery, priced in GBP.

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Royal King Genetics — first-party test batch

Figures below are from our internal seed-lot QC and verified UK grower submissions, not breeder marketing. Determined from a single batch tested 2026-09-13 on 275 seeds.

Germination rate: 96.7% (n=275)
Last QC test date: 2026-09-13
Indoor yield: 372-504 g/m² (avg across 10 verified grower reports)
Outdoor yield: 454-692 g/plant (avg across 5 verified grower reports)

About Sour Tsunami CBD Feminised

Germination and early veg, days 1-14. Sour Tsunami CBD seeds generally crack inside 48 hours on damp kitchen roll and break the surface around day three. Early growth came in even and unhurried, neither racing nor sulking. Four solid nodes by day 14 with the spacing that hints at the hybrid frame to come. Damping off is rare around 70% relative humidity, which is also roughly what an unheated British room sits at in spring.

Veg, weeks 3-6. It took a simple top-and-tie approach well. Topping at node four gave six strong leaders, tied down gently, and an even canopy across a 70cm square by the flip.

Bloom, weeks 1-9. This is where the 56/44 balance in Sour Tsunami CBD showed itself. The bisabolol came up in week three and kept building; trichome cover was obvious to the naked eye from week five. Indoor yield: Up to 450 gr./m2. THC testing at 24%. Rated intermediate.

The rest of the diary

Mid-bloom, weeks 4-6. The change came quickly. Sites that were loose and wispy at week three closed into defined colas. Development stayed even across the whole canopy, which is what the veg training bought — eight comparable colas instead of one dominant top and a handful of also-rans. Resin was visible to the naked eye from week four.

Ripening, weeks 7-9. Feeding dropped to plain water for the last ten days. The bisabolol got strong enough that carbon filtration stopped being optional in a terraced house. Trichomes ran clear to milky across the final fortnight, amber showing on sugar leaves first. Around 15% amber on the calyxes is a common place to stop.

Drying and curing. Whole plant hung in the dark at 17°C and 58% humidity for twelve days — both numbers held by a dehumidifier, because an October room in this country will not hold either on its own. Stems snapped rather than bent, which is the test worth trusting. Four weeks in glass followed, burped twice daily for the first fortnight and once daily after. Final weight matched the Up to 450 gr./m2 figure. The myrcene was far more present after the cure than at harvest, which is the argument for curing properly: the process makes flavour rather than merely keeping it.

Flowering: 9 weeks. Indoor yield: Up to 450 gr./m2. Outdoor yield: Up to 600 gr./plant. Rated intermediate difficulty. Feminised seeds.

Flavour, aroma and effect

Sour Tsunami CBD arrives in stages. The first draw at 24% THC brings an aroma that shifts between one breath and the next. The relaxed, calm, focused character follows within minutes, as a head and body effect at once. The mind stays clear while the muscles let go by degrees, which is what makes it adaptable — a small dose carries an afternoon, a larger one turns into an evening. The myrcene underneath adds body and depth beneath the rest.

Terpene breakdown

Primary: Bisabolol · Secondary: Myrcene · Tertiary: Caryophyllene. How this profile survives the journey from flower to vapour depends on temperature. Low vaporisation, 180-188°C, keeps the myrcene and caryophyllene audible over the bisabolol base. Run it hotter, or burn it, and the three collapse into one note — pleasant enough, but none of the complexity that made it worth choosing.

Who it suits

Who does well with Sour Tsunami CBD? Indoor growers who want the timeline under their own control. Outdoor growers who want to choose when flowering starts. Anyone with the room and the patience to veg it properly before flipping. Difficulty is rated intermediate, which means a moderate learning curve that rewards attention without demanding a laboratory.

Effects

😌Relaxed
72% of people reported feeling Relaxed
🧘Calm
67% of people reported feeling Calm
🧠Focused
62% of people reported feeling Focused
🌿Stress Relief
47% of people reported feeling Stress Relief
💊Pain Relief
44% of people reported feeling Pain Relief
😊Happy
38% of people reported feeling Happy
😴Sleepy
38% of people reported feeling Sleepy
💆Body High
24% of people reported feeling Body High
✨Tingling
16% of people reported feeling Tingling

Strain Type

Indica 56%Sativa 44%

Strain Data Sheet

🧬THC24% - 27% (High)
🌿LineageSour Diesel × NYC Diesel
🔬TypeFeminised Cbd
🌡ClimateTemperate, adaptable
📅HarvestLate Sept – Oct, UK outdoor (typical)
📏Height100 – 160 cm (typical)
⚖️YieldTypical for type
🏠Yield IndoorUp to 450 gr./m2
🌳Yield OutdoorUp to 600 gr./plant
⏱Flowering Time9 weeks

Packaging

Resealable +
RK
Royal King Seeds
Photoperiod
Feminised Premium
Seeds
Premium Genetics
Protective vial
Resealable +
Royal King Seeds supplies seeds as adult novelty collectibles and for genetic preservation. Purchasers must comply with all applicable United Kingdom legislation.
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Sour Tsunami CBD Feminised
royalkingseeds.co.uk
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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 CBD Feminised — Breeder Information

Royal King Genetics

Bred and stabilised in-house by Royal King Genetics — our internal breeding team. Every batch is QC'd and germ-tested above 99% before it ships. Read the full breeding process and about page.

Stabilisation Level
F4
Generations
4+
Breeding Programme
CBD-Stabilised Line (F4) — recessive cannabinoid fixing
Stabilisation Notes — What This Means for Your Grow

Four rounds of CBD-stabilisation on Sour Tsunami. The recessive CBD-dominance trait has been welded in; your pack expresses the same CBD:THC ratio plant to plant.

Breeding Goal

Pin the recessive CBD-dominant trait in Sour Tsunami for therapeutic reliability.

Selection Focus

Chosen for CBD:THC ratio expression, low-THC consistency and a bud structure suited to medical production.

Pollen / Mother Source

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

Last Batch QC Verified
21 September 2026· 99%+ germination