White Fire OG cannabis seeds packaging — Royal King Seeds UK
Hybrid
THC 23%
🎨 Creative
HybridFeminisedIn Stock

White Fire OG Feminised

Feminised PhotoperiodSee Lab Report →

Grow White Fire OG Feminised in the UK. Hybrid genetics at 23% THC, known for creative, euphoric, relaxed effects.

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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 2026-08-31 on 325 seeds.

Germination rate: 98.2% (n=325)
Last QC test date: 2026-08-31
Indoor yield: 450-612 g/m² (avg across 10 verified grower reports)
Outdoor yield: 520-834 g/plant (avg across 9 verified grower reports)

About White Fire OG Feminised

Will White Fire OG finish outdoors in Britain? Yes, within the April to October season. The balanced genetics cope with what British weather does from one week to the next, from damp air on the west coast to the drier run of counties in the east. Flowering runs 8-10 weeks, which puts harvest in September or October for most of the country.

What yield is realistic? 500-660 g/m2 indoors is achievable with competent LED lighting and attention to feeding. Outdoors, 600-800 g/plant is realistic in 50 litre pots or in prepared ground with full sun — and "full sun" is doing a lot of work in that sentence at these latitudes, so the position you pick in the garden matters more than the pot you buy. At 23% THC with a caryophyllene-forward profile, the return on the effort is sound.

Is it forgiving? Reasonably. Anyone comfortable with pH, a feed schedule and a light timer will get a good result. It will not hold your hand, but it will not punish one missed watering either.

Further questions we get asked about White Fire OG

Which medium? For flavour, peat-free soil cut with about 30% perlite and amended slowly — fish, blood and bone, rock phosphate, seaweed meal, all of it available at any British garden centre. For weight, coco with fertigation at EC 1.4-1.8 through bloom. This hybrid performs in both; the choice is about what you want out of it.

How does it handle a British summer? Well enough, on hybrid vigour. Keep the root zone under 28°C with mulch or pale pots, and do not transplant into a heatwave. The more common British problem is the opposite one: a cold, wet July that never lets the plant dry out between waterings.

When do I switch to bloom feed? Inside the first week of visible pistils. The 60/40 balance shifts its demand quickly at the transition — phosphorus and potassium up, nitrogen down. Soil growers can top-dress with guano and sulphate of potash; coco and hydro should move to a low-nitrogen bloom formula straight away.

Indoors or outdoors? Both work, for different reasons. Indoors you own the flowering environment completely. Outdoors, across the April to October season, the plant gets a light intensity no domestic LED matches and can reach 600-800 g/plant — at the price of accepting whatever the autumn does. Flowering: 8-10 weeks. Indoor yield: 500-660 g/m2. Outdoor yield: 600-800 g/plant. Plant height: 120 cm. Rated intermediate difficulty.

Flavour, aroma and effect

White Fire OG arrives in stages. The first draw at 23% THC brings dry pepper that registers at the back of the throat. The creative, euphoric, relaxed 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 limonene underneath adds a lift that stops it turning heavy.

Terpene breakdown

Primary: Caryophyllene · Secondary: Limonene · Tertiary: Myrcene. These three build an aroma that keeps moving through the cure. Fresh off the dry it leads with caryophyllene; after three or four weeks sealed in glass at 16-18°C the myrcene 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 myrcene molecules are the first thing heat destroys.

Who it suits

Who does well with White Fire OG? 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

🤩Creative
77% of people reported feeling Creative
🤗Euphoric
67% of people reported feeling Euphoric
😌Relaxed
58% of people reported feeling Relaxed
😊Happy
51% of people reported feeling Happy
😎Uplifted
45% of people reported feeling Uplifted
🤤Hungry
41% of people reported feeling Hungry
😴Sleepy
38% of people reported feeling Sleepy
😆Giggly
31% of people reported feeling Giggly
🧠Focused
21% of people reported feeling Focused

Strain Type

Indica 60%Sativa 40%

Strain Data Sheet

🧬THC23% - 28% (High)
🌿LineageFire OG × The White
🔬TypeFeminised Hybrid
🌡ClimateTemperate, adaptable
📅HarvestLate Sept – Oct, UK outdoor (typical)
📏Height120 cm
⚖️YieldHigh
🏠Yield Indoor500-660 g/m2
🌳Yield Outdoor600-800 g/plant
⏱Flowering Time8-10 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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White Fire OG Feminised
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🛡️Aluminium interior lining
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White Fire OG 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
Backcross Stabilisation (BX3) — clone-to-seed restoration
Stabilisation Notes — What This Means for Your Grow

White Fire OG began life as a clone-only cut. Translating a clone into seed without losing the structural balance demands backcrossing — we crossed our chosen pheno back to the parental line three times (BX3) to fix the elite mother into stable seed form.

Breeding Goal

Translate a clone-only West Coast clone-only cultivar to seed without losing the mother profile.

Selection Focus

Chosen for trichome density, bud structure and the hybrid trait balance the cross was engineered for.

Pollen / Mother Source

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

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