
- A frosty, sedative OG built for controlled greenhouse grows
White Walker Og
White Walker Og is an indica-dominant hybrid suited to greenhouse grows in the UK.
- Heavy resin and a reliable evening stone
- Performs well in greenhouses with good ventilation
- Feminised seeds for simpler canopy control
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20-24% |
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0.2-0.8% |
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White Widow x OG Kush |
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Indica-dominant hybrid |
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Intermediate |
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8-9 weeks |
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Medium-tall |
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Medium-High |
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Pine, Earthy, Citrus |
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Feminised |
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moist western coastal climate |
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Relaxed, Euphoric, Sleepy |
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Greenhouse and indoor recommended; outdoors possible in sheltered sites |
About White Walker Og
White Walker Og is a resinous indica-dominant hybrid that delivers a potent, sedative high and dense, frosty buds. It responds well to training and produces medium to high yields under stable conditions. In Hertfordshire growers find it performs best in greenhouses or indoors where humidity and airflow can be controlled. Careful mould prevention and canopy management are essential in the moist western coastal climate.
White Walker Og is an indica-dominant hybrid known for dense, frosty buds. It combines resinous structure with calming effects.
THC levels typically sit between 20% and 24% providing a noticeable, long‑lasting high. This potency suits experienced users seeking strong relaxation and sleep aid.
CBD is low, generally under 1% which leaves the experience mainly psychoactive. The minimal CBD presence means therapeutic benefits come mostly from THC and terpenes.
The lineage traces to White Widow x OG Kush. This cross gives a heavy resin coat and the classic OG structure.
Seeds are typically sold feminised for ease of cultivation. Feminised genetics reduce the risk of male plants and simplify canopy management.
Under a moist western coastal climate this variety needs careful humidity management to avoid mould. Grow difficulty is intermediate because the plant tolerates humidity but demands good airflow and consistent pruning.
Flowering usually completes in 8–9 weeks under controlled indoor conditions. Outdoor growers should watch trichome development for precise harvest timing.
Yields are medium to high when grown with stable light and nutrients. Greenhouse or indoor setups with adequate canopy management produce the best returns.
Plants reach a medium-tall stature with sturdy branches that support heavy colas. Training and topping are effective to control height and maximise bud sites.
In Hertfordshire this strain performs well in greenhouses and indoors where conditions can be stabilised. Outdoors in Hertfordshire it will do adequately in sheltered spots but needs protection from persistent damp and wind.
Growing White Walker Og in Hertfordshire with its moist western coastal climate requires vigilant mould prevention. Use dehumidifiers, improved ventilation and raised benches to keep canopy air moving and minimise damp contact.
The high starts with a cerebral uplift that eases into a heavy body relaxation. Users typically find it best for evenings or when rest is planned.
Flavours lean to pine and earthy diesel with bright citrus top notes. The smoke is smooth with a lingering herbal finish.
Frequently Asked Questions
Common questions about this strain, covering growth, effects, and suitability for UK conditions.
Use a 12/12 light cycle for flowering indoors and ensure the greenhouse receives uninterrupted dark periods to avoid hermaphroditism.
Increase airflow, remove lower fan leaves, use dehumidifiers and space plants to improve circulation to reduce the risk of bud rot.
Begin flushing around one to two weeks before harvest once trichomes reach the desired milky to amber ratio.
Start with a balanced veg feed, then shift to lower nitrogen and higher phosphorus and potassium during flowering to support bud development.
You can, provided you control humidity and temperature; an insulated, well-vented greenhouse with dehumidification performs best.
Apply low-stress training and switch to a bloom nutrient plan to control vertical growth during the stretch phase.
Selective pruning and defoliation improve light penetration and airflow, which can increase bud quality and yield.
Aphids, spider mites and grey mould are common, so inspect plants regularly and use integrated pest management strategies.
Monitor humidity closely, ventilate well and consider using fans and dehumidifiers, and plan feeding schedules around cooler, damper weather.
CO2 can improve yields in a sealed, well-lit environment but only when other factors like nutrients and ventilation are optimised.
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