Zkittlez cannabis seeds packaging — Royal King Seeds UK
Hybrid
THC 26%
🔥 46 sold this week
HybridFeminisedIn Stock

Zkittlez Feminised

Feminised PhotoperiodSee Lab Report →

Zkittlez Feminised cannabis seeds for UK growers. Hybrid · 26% THC · happy, focused, calm. 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 2026-09-03 on 375 seeds.

Germination rate: 98.6% (n=375)
Last QC test date: 2026-09-03
Indoor yield: 430-580 g/m² (avg across 6 verified grower reports)
Outdoor yield: 512-842 g/plant (avg across 5 verified grower reports)

About Zkittlez Feminised

Read Zkittlez backwards from the harvest: 550 - 600 g/m2 under lights, 500 - 600 g/plant outdoors, with resin filling out towards 26% THC. Weight goes on evenly across the 8 weeks of bloom, with a clear surge in the last two weeks that rewards leaving the plant alone. The 59/41 split gives you calyx density and an even spread of resin rather than one at the cost of the other. Outdoors, late September to mid-October is the window that misses the wettest of the finish across most of the country while still letting the limonene arrive.

Getting the weight out of this plant

Three stretches of the 8 weeks of bloom decide whether you reach the top of this strain's range (550 - 600 g/m2 indoors, 500 - 600 g/plant 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. Somewhere around a third is typical. One pass of low-stress training over the tallest shoots keeps the top flat.

Weeks three to five. Limonene 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 10-15% amber for the middle of the range. Outdoors that lands between late September and mid-October across most of Britain, and the weather forecast should get a vote.

Flowering: 8 weeks. Indoor yield: 550 - 600 g/m2. Outdoor yield: 500 - 600 g/plant. Rated intermediate difficulty.

Flavour, aroma and effect

Zkittlez arrives in stages. The first draw at 26% THC brings a bright citrus edge that lifts off the palate immediately. The happy, focused, calm 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 caryophyllene underneath adds a warmth that keeps the whole thing anchored.

Terpene breakdown

Primary: Limonene · Secondary: Caryophyllene · Tertiary: Linalool. How this profile survives the journey from flower to vapour depends on temperature. Low vaporisation, 180-188°C, keeps the caryophyllene and linalool audible over the limonene 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 Zkittlez? 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

😊Happy
72% of people reported feeling Happy
🧠Focused
69% of people reported feeling Focused
🧘Calm
60% of people reported feeling Calm
😌Relaxed
51% of people reported feeling Relaxed
🤩Creative
50% of people reported feeling Creative
🤗Euphoric
40% of people reported feeling Euphoric
😎Uplifted
31% of people reported feeling Uplifted
🤤Hungry
27% of people reported feeling Hungry
😴Sleepy
24% of people reported feeling Sleepy

Strain Type

Indica 59%Sativa 41%

Strain Data Sheet

🧬THC26% - 29% (Very High)
🌿LineageBalanced Hybrid (Undisclosed Lineage)
🔬TypeFeminised Hybrid
🌡ClimateTemperate, adaptable
📅HarvestLate Sept – Oct, UK outdoor (typical)
📏Height100 – 160 cm (typical)
⚖️YieldHigh
🏠Yield Indoor550 - 600 g/m2
🌳Yield Outdoor500 - 600 g/plant
⏱Flowering Time8 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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Zkittlez Feminised
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💧Waterproof coating
🛡️Aluminium interior lining
🏷️Protective sticker
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🔢Scratchable serial number

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Zkittlez 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
Royal King Genetics Backcross Line — BX3 clone-only restabilisation
Stabilisation Notes — What This Means for Your Grow

A late-2000s clone-only original clone-only original brought to seed via a three-generation backcross programme. Vigour, terpene character and terpene fidelity are all locked. The pack runs true to the cut your mate grew off a clone last season.

Breeding Goal

Recreate the Zkittlez clone-only cut in stable seed form.

Selection Focus

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

Pollen / Mother Source

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

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