RK
Canna-Tsu cannabis seeds packaging โ€” Royal King Seeds Ireland
Hybrid
THC 11%
๐Ÿ˜„ Mood Boost
HybridFeminisedIn Stock

Canna-Tsu Feminised

Order Canna-Tsu Feminised seeds online in Ireland. A quality hybrid cultivar at 11% THC delivering relaxed, happy, euphoric. Chosen for a short season and a damp finish. Fast shipping and a germination guarantee.

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โ‚ฌ14.15EUR
1
๐Ÿ‡ฎ๐Ÿ‡ชFree Irish Delivery
๐ŸŒฑGermination Promise
๐Ÿ”’Unmarked Packaging
โš—

Royal King Genetics โ€” first-party test batch

Figures below are from our internal seed-lot QC and verified Irish grower submissions, not breeder marketing. Determined from a single batch tested 2026-09-11 on 250 seeds at 20-23ยฐC.

Germination rate: 98.4% (n=250)
Last QC test date: 2026-09-11
Indoor yield: 472-598 g/mยฒ (avg across 8 verified grower reports)
Outdoor yield, Ireland: 414-634 g/plant (avg across 7 verified grower reports)

About Canna-Tsu Feminised

Growing Canna-Tsu in Ireland is a question of rain and wind rather than of heat or latitude. The whole island runs temperate oceanic, so nowhere is meaningfully warmer than anywhere else โ€” what changes as you move west is how many wet days land on the plant while it is in flower. Outdoors that makes bud structure and the 60-70 days of bloom the two things worth reading before anything else, because a dense cola and a wet October are a poor combination. Under a tunnel or under lights the argument disappears: Canna-Tsu is then judged on its genetics and on nothing else.

Growing it on this island

The pressures here are consistent and they are nearly all about water. Botrytis in dense flower from September onwards is the first, and it is answered with open structure, moving air and a roof โ€” not with anything sprayed on afterwards. Indoors, spider mite and thrips arrive the way they always do, and humidity above 60% in late bloom is what turns a manageable problem into a lost room. Outdoors in a wet spring the slugs do more damage to seedlings than every insect on the plot, and they do it in a single night.

A polytunnel changes the arithmetic on Canna-Tsu more than any other single purchase. It adds a fortnight at both ends of the season, keeps the rain off the flower during the weeks that matter, and turns a marginal outdoor crop into a reliable one.

What Canna-Tsu is like in practice

The catalogue lists relaxed, happy, euphoric, and that matches what growers here report back. At 11% THC this hybrid sits where the balance is the argument for it. Small doses stay functional, larger ones relax properly, and the 38/62 split means the direction is set by the amount rather than fixed by the plant. The Caryophyllene and Myrcene together leave warmth and spice, drying on the exhale.

Suited to most occasions, with the dose doing the steering.

Terpene breakdown

Primary: Caryophyllene ยท Secondary: Myrcene ยท Tertiary: Humulene. Temperature decides how much of this profile survives. Low vaporisation at 180-188ยฐC keeps myrcene and humulene audible over the caryophyllene; run it hotter, or burn it, and all three collapse into one note that is pleasant enough and tells you nothing.

Who it suits

Canna-Tsu suits growers with the fundamentals in place. Understand pH, rough nutrient ratios and a light cycle before committing to it; it asks for competence rather than expertise. Photoperiod genetics leave plant size and harvest date under your control โ€” veg longer for a bigger plant, or flip early when the ceiling is low. A bloom of 60-70 days fits inside the season here for outdoor growers, with a tunnel making it comfortable rather than tight.

Effects

๐Ÿ˜ŒRelaxed
72% of people reported feeling Relaxed
๐Ÿ˜ŠHappy
65% of people reported feeling Happy
๐Ÿค—Euphoric
60% of people reported feeling Euphoric
๐ŸคฉCreative
56% of people reported feeling Creative
๐Ÿ˜ŽUplifted
45% of people reported feeling Uplifted
๐ŸคคHungry
41% of people reported feeling Hungry
๐Ÿ˜ดSleepy
38% of people reported feeling Sleepy
๐Ÿ˜†Giggly
31% of people reported feeling Giggly
๐Ÿง Focused
21% of people reported feeling Focused

Best For

โœฆ Anytime
โœฆ Relaxation
โœฆ Stress Relief

Strain Type

Indica 38%Sativa 62%

Strain Data Sheet

๐ŸงฌTHC11% - 16% (Medium)
๐ŸŒฟLineageCannatonic ร— Sour Tsunami
๐Ÿ”ฌTypeFeminised Hybrid
๐ŸŒกClimateTemperate, adaptable
๐Ÿ“…HarvestSept โ€“ Nov, S. hemisphere (typical)
๐Ÿ“HeightShort
โš–๏ธYieldMedium โ€“ High
๐Ÿ Yield Indoorup to 400 g/m2
๐ŸŒณYield Outdoorup to 300 g/plant
โฑFlowering Time60-70 days

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 are responsible for complying with the law where they live.
1
Canna-Tsu Feminised
royalkingseeds.ie
IG
FB
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๐Ÿ”’Sealed for authenticity
๐Ÿ’งWaterproof coating
๐Ÿ›ก๏ธAluminium interior lining
๐Ÿท๏ธProtective sticker
๐Ÿ“ฑQR code verification
๐Ÿ”ขScratchable serial number

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Canna-Tsu Feminised โ€” Breeder Information

Royal King Genetics

Bred and stabilised in-house by Royal King Genetics โ€” 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
BX2
Generations
3+
Breeding Programme
Royal King Genetics Backcross Line โ€” BX2 modern hybrid stabilisation
Stabilisation Notes โ€” What This Means for Your Grow

Backcrossed twice to the dominant parental line. Canna-Tsu now expresses cross-derived trait balance consistently across the population โ€” what made the original cross interesting is preserved without the pheno-roulette of an unstabilised F1.

Breeding Goal

Fix parent-cut traits in Canna-Tsu without narrowing the population too far.

Selection Focus

Chosen for balanced indica/sativa expression, terpene fidelity and pack-to-pack uniformity.

Pollen / Mother Source

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

Last Batch QC Verified
18 September 2026ยท 99%+ germination