Shipwreck cannabis seeds packaging — Royal King Seeds UK
Hybrid
THC 15%
🎨 Creative
HybridFeminisedIn Stock

Shipwreck Feminised

Feminised PhotoperiodSee Lab Report →

Shipwreck Feminised — hybrid cannabis seeds suited to UK growing conditions. 15% THC with energetic, euphoric, happy effects. Fast, discreet UK delivery.

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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 2026-09-07 on 125 seeds.

Germination rate: 98.2% (n=125)
Last QC test date: 2026-09-07
Indoor yield: 429-588 g/m² (avg across 17 verified grower reports)
Outdoor yield: 499-784 g/plant (avg across 4 verified grower reports)

About Shipwreck Feminised

Where you grow Shipwreck in Britain matters less than when you start it. This is one temperate maritime climate with a real north-south gradient: the south coast opens and closes its season around a fortnight either side of the central belt or upland Wales. Heat is almost never the constraint here. The wet finish is — rain sitting in dense flower through late September and October is what starts botrytis, and it ends more British outdoor crops than every insect on the plot combined. That puts the 9-10 weeks flowering window and the bud structure ahead of everything else on this page. Under lights none of it applies: daylength, temperature and humidity are yours to set, and Shipwreck can be run anywhere in the country on its merits.

The pressures on a British grow are fairly predictable. Damp is the first of them: botrytis in dense flower from September on, answered with open bud structure and moving air rather than with a spray. Indoors it is spider mite and thrips that arrive, and humidity above 60% in late bloom is what turns a contained problem into a lost room. Outdoors in a wet spring the slugs take more seedlings than every insect put together, and they do it overnight.

What Shipwreck is actually like

Growers report energetic, euphoric, happy as the defining characteristics and our own notes agree. At 15% THC this hybrid sits where the balance is the selling point. Taken small it stays functional; taken larger it relaxes properly. The ${indica}/${sativa} split means the direction is set by how much you take rather than fixed by the genetics. The Caryophyllene/Myrcene pairing leaves warmth and spice that dries slightly on the exhale.

Best suited to most occasions — the dose does the steering.

Terpene breakdown

Primary: Caryophyllene · Secondary: Myrcene · Tertiary: Humulene. This combination turns up often in cultivars that win things, and it is usually the one growers comment on when a jar is opened for the first time after curing. Caryophyllene anchors the aroma, myrcene occupies the middle, and humulene sits behind both — which is the part that separates this strain from others sharing its primary terpene.

Who it suits

Shipwreck suits growers with the basics in place. Understand pH, rough nutrient ratios and light cycles before you commit to it; it asks for competence rather than expertise. Photoperiod genetics leave plant size and harvest date under your control — veg longer for bigger plants, or flip early when space is short. The April to October season accommodates a bloom of 9-10 weeks comfortably for outdoor growers across the country.

Effects

🤑Energetic
71% of people reported feeling Energetic
🤗Euphoric
67% of people reported feeling Euphoric
😊Happy
58% of people reported feeling Happy
😌Relaxed
51% of people reported feeling Relaxed
🤩Creative
50% of people reported feeling Creative
😎Uplifted
38% of people reported feeling Uplifted
🤤Hungry
34% of people reported feeling Hungry
😴Sleepy
31% of people reported feeling Sleepy
😆Giggly
24% of people reported feeling Giggly

Strain Type

Indica 40%Sativa 60%

Strain Data Sheet

🧬THC15% - 19% (Medium-High)
🌿LineageTrainwreck × Mothership
🔬TypeFeminised Hybrid
🌡ClimateTemperate, adaptable
📅HarvestLate Sept – Oct, UK outdoor (typical)
📏Height100 – 160 cm (typical)
⚖️YieldMedium – High
🏠Yield IndoorUp to 400g/m²
🌳Yield OutdoorUp to 450 gr
⏱Flowering Time9-10 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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Shipwreck Feminised
royalkingseeds.co.uk
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🛡️Aluminium interior lining
🏷️Protective sticker
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🔢Scratchable serial number

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Shipwreck 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
F4 Production Line — modern cross stabilisation
Stabilisation Notes — What This Means for Your Grow

F4 stabilisation on Shipwreck. Each generation we cull aggressively against off-types — the F4 population reflects only the phenos that match the cultivar reference profile.

Breeding Goal

Carry Shipwreck from F1 cross to F4 production-ready seed stock.

Selection Focus

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

Pollen / Mother Source

Royal King Genetics breeding facility — pollen from internally selected sibling males of the recurrent parent.

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