Chernobyl cannabis seeds packaging — Royal King Seeds UK
Sativa
THC 22%
🎨 Creative
SativaFeminisedIn Stock

Chernobyl Feminised

Feminised PhotoperiodSee Lab Report →

Chernobyl Feminised — sativa cannabis seeds suited to UK growing conditions. 22% THC with creative, focused, energetic 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 2026-09-21 on 425 seeds.

Germination rate: 98.6% (n=425)
Last QC test date: 2026-09-21
Indoor yield: 417-580 g/m² (avg across 17 verified grower reports)
Outdoor yield: 683-956 g/plant (avg across 8 verified grower reports)

About Chernobyl Feminised

Cured properly and opened cold, Chernobyl leads with limonene: citrus oil off the top of the jar, nearer grapefruit pith than lemon squash, the sweetness arriving late. Underneath it terpinolene adds a secondary character that fills the middle of the profile, and it reads mid-palate rather than on the first pass. This 18/82 sativa tests at 22% THC, but potency is the least interesting number here: what separates Chernobyl from the others on the same shelf is how the aroma behaves across a cure, and that is a question of storage and patience rather than genetics alone.

Growing it for the nose rather than the scales

Chasing terpene expression in Chernobyl pulls against chasing yield, and it is worth knowing which one you are doing before you start. The Limonene/Terpinolene/Pinene profile does its best work in living soil, where the microbial side produces secondary compounds a bottle cannot. That is easier here than it sounds: decent peat-free compost and worm castings are a garden centre purchase in most British towns.

Through the 8-9 weeks of bloom, stop foliar spraying after week two — anything landing on developing trichomes is still there at harvest and you will taste it. The final three weeks decide which terpenes dominate the cured flower: nights held at 16-18°C push limonene forward, while a warmer finish protects the lighter pinene notes at the top.

The cure is where most of the flavour is lost in this country, and the reason is the weather. A 10-14 day hang wants 15-18°C at 55-60% relative humidity, which a British autumn will not give you in a spare room — a temperature-controlled cupboard or a wine fridge set to 16°C solves it for the price of one wasted harvest. Then into glass, burped twice a day for the first fortnight. The terpinolene layer that makes this one worth growing does not appear until somewhere between weeks three and four in the jar.

Flowering: 8-9 weeks. Indoor yield: Up to 400g/m². Outdoor yield: Up to 400 gr. Rated intermediate difficulty.

What Chernobyl is actually like

Growers report creative, focused, energetic as the defining characteristics and our own notes agree. At 22% THC this sativa sits where most people find a workable window. Vaporised at 175-185°C the first effect is lift and mental energy, suited to work that benefits from it, a long walk, or an afternoon with company. The body stays light throughout, which makes it a genuine daytime option for anyone with a tolerance. The Limonene/Terpinolene pairing leaves a clean citrus finish that clears quickly.

Best suited to creative work, company, getting outdoors, and daytime use generally.

Terpene breakdown

Primary: Limonene · Secondary: Terpinolene · Tertiary: Pinene. 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. Limonene anchors the aroma, terpinolene occupies the middle, and pinene sits behind both — which is the part that separates this strain from others sharing its primary terpene.

Who it suits

Chernobyl 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

🤩Creative
77% of people reported feeling Creative
🧠Focused
69% of people reported feeling Focused
🤑Energetic
57% of people reported feeling Energetic
😊Happy
51% of people reported feeling Happy
😎Uplifted
45% of people reported feeling Uplifted
🤗Euphoric
40% of people reported feeling Euphoric
🗣️Talkative
30% of people reported feeling Talkative
💪Motivated
31% of people reported feeling Motivated
😆Giggly
24% of people reported feeling Giggly

Strain Type

Indica 18%Sativa 82%

Strain Data Sheet

🧬THC22% - 26% (High)
🌿LineageSativa-Dominant Hybrid (Undisclosed Lineage)
🔬TypeFeminised Sativa
🌡ClimateWarm / Mediterranean, long season
📅HarvestLate Sept – Oct, UK outdoor (typical)
📏Height120 – 200 cm (typical)
⚖️YieldMedium – High
🏠Yield IndoorUp to 400g/m²
🌳Yield OutdoorUp to 400 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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Chernobyl Feminised
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Chernobyl 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
F3
Generations
3+
Breeding Programme
Filial Stabilisation (F3) — advanced refinement
Stabilisation Notes — What This Means for Your Grow

A newer late-2010s cross still being actively stabilised. F3 means three rounds of selection — the long-flowering uniformity is locked across the bulk of the pack, with a small variant subset under continued cull.

Breeding Goal

Stabilise Chernobyl across three rounds toward F4 production-ready stock.

Selection Focus

Chosen for clear-headed terpene expression, structural manageability and a finish that lands inside the published window.

Pollen / Mother Source

Royal King Genetics select-mother programme — pollen drawn from an internally maintained reversed-female line.

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