Marionberry Kush cannabis seeds packaging — Royal King Seeds UK
Indica
THC 23%
🎨 Creative
IndicaFeminisedIn Stock

Marionberry Kush Feminised

Feminised PhotoperiodSee Lab Report →

Marionberry Kush Feminised seeds. A indica cultivar at 23% THC delivering happy, relaxed, uplifted. Grow figures from named sources.

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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 2026-09-21 on 200 seeds.

Germination rate: 98.5% (n=200)
Last QC test date: 2026-09-21
Indoor yield: 425-586 g/m² (avg across 17 verified grower reports)
Outdoor yield: 633-974 g/plant (avg across 4 verified grower reports)

About Marionberry Kush Feminised

Read Marionberry Kush backwards from the harvest: 500 g/m2 under lights, Up to 800 gr outdoors, with resin filling out towards 23% THC. Most of the final weight lands between weeks five and eight, when the 80/20 genetics stack calyxes quickly and the trichome cover goes from scattered to solid. Outdoors you want that stage falling in late August and early September while the light is still long, so count back to it from the first frost your own area usually sees rather than from a date on a packet.

Getting the weight out of this plant

Three stretches of the 8-9 weeks of bloom decide whether you reach the top of this strain's range (500 g/m2 indoors, Up to 800 gr outdoors). The rest is maintenance.

The first ten days of flower. What the plant does during the stretch sets canopy height, and canopy height sets how evenly the light lands. Expect 20-30%, which is manageable; stripping the lowest fans around day seven sends the energy up to the sites that will actually finish.

Weeks three to five. Linalool production climbs through here, and it responds to a day-night temperature gap of 6-8°C. British autumn nights hand that to outdoor growers for free from September; indoors you have to build it, at roughly 25-26°C lights-on and 18-20°C lights-off. Bloom feed goes potassium-heavy around EC 1.6-1.8.

The last ten to fourteen days. Stop feeding and run pH-corrected water. Check trichomes daily under a 60x loupe — cut at 15-20% amber for the weight of effect this genetics is bought for. Outdoors that lands between late September and mid-October across most of Britain, and the weather forecast should get a vote.

Flowering: 8-9 weeks. Indoor yield: 500 g/m2. Outdoor yield: Up to 800 gr. Rated intermediate difficulty.

What Marionberry Kush is actually like

Growers report happy, relaxed, uplifted as the defining characteristics and our own notes agree. At 23% THC this indica sits where dose control starts to matter. A single bowl through a vaporiser at 185°C gives a manageable physical ease with the head still working, which is what most people want at the end of a day. Push the dose and it moves firmly towards sedation — the reason it tends to become a winter evening cultivar rather than an all-year one. The Linalool/Myrcene pairing leaves a finish that keeps changing across a session.

Best suited to quiet evenings, a film, recovery after exercise, and the hour before sleep.

Terpene breakdown

Primary: Linalool · Secondary: Myrcene · Tertiary: Caryophyllene. These three build an aroma that keeps moving through the cure. Fresh off the dry it leads with linalool; after three or four weeks sealed in glass at 16-18°C the caryophyllene underneath comes up and the whole thing gains a layer. Vaporising between 180°C and 195°C catches the widest span of them, since the lighter caryophyllene molecules are the first thing heat destroys.

Who it suits

Marionberry Kush 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 8-9 weeks comfortably for outdoor growers across the country.

Effects

😊Happy
72% of people reported feeling Happy
😌Relaxed
65% of people reported feeling Relaxed
😎Uplifted
58% of people reported feeling Uplifted
😴Sleepy
58% of people reported feeling Sleepy
🤤Hungry
48% of people reported feeling Hungry
🤗Euphoric
40% of people reported feeling Euphoric
🧘Calm
33% of people reported feeling Calm
🌿Stress Relief
20% of people reported feeling Stress Relief
💆Body High
17% of people reported feeling Body High

Strain Type

Indica 80%Sativa 20%

Strain Data Sheet

🧬THC23% - 27% (High)
🌿LineageRaspberry Kush × Space Queen
🔬TypeFeminised Indica
🌡ClimateCool–temperate / continental
📅HarvestLate Sept – Oct, UK outdoor (typical)
📏Height90 – 120 cm (typical)
⚖️YieldMedium – High
🏠Yield Indoor500 g/m2
🌳Yield OutdoorUp to 800 gr
⏱Flowering Time8-9 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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Marionberry Kush Feminised
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Marionberry Kush 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
BX3
Generations
4+
Breeding Programme
Three-Generation Backcross Programme — recurrent-parent fixing
Stabilisation Notes — What This Means for Your Grow

Three rounds of backcrossing to the parental line have welded the Marionberry Kush cut into the population. The bud-to-leaf ratio that made the original mother famous now expresses across the whole pack — not just in one or two lucky phenos.

Breeding Goal

Translate a clone-only recent-era cultivar to seed without losing the mother profile.

Selection Focus

Chosen for purple/dark expression where it shows, dense bud structure and a true indica relaxation profile.

Pollen / Mother Source

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

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