
- Juicy flavour, dependable harvests, greenhouse-friendly in the UK
Watermelon Sugar
Watermelon Sugar is an indica-dominant hybrid known for sweet, watermelon flavours and relaxing effects.
- Sweet watermelon aroma with a sedative finish
- Reliable 8-9 week flowering and solid yields
- Performs well in UK greenhouses with proper humidity control
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18-22% |
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<1% |
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Watermelon x Sugarcane |
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Indica-dominant hybrid |
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Moderate |
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8-9 weeks |
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Medium (80-150 cm) |
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Medium to high |
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Watermelon, Sweet candy, Earthy |
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Feminized |
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Moist western coastal climate |
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Relaxed, Uplifted, Sedative at higher doses |
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Indoor and outdoor |
About Watermelon Sugar
Watermelon Sugar is an indica-dominant hybrid bred for sweet, fruity aroma and manageable growth. It typically flowers in eight to nine weeks and produces medium to high yields when given steady light and nutrients. THC ranges from 18% to 22%, delivering a relaxed body experience with a gentle uplift that can become sedative at higher doses. The strain responds well to training and suits greenhouse cultivation in the UK provided humidity is controlled. Medical users favour it for insomnia, stress relief and appetite stimulation, while growers in coastal regions should prioritise ventilation and mould prevention.
Watermelon Sugar is an indica-dominant hybrid with compact, resinous buds. It tends to deliver calming body effects while retaining some mental clarity.
THC typically sits between 18% and 22% in most phenotypes. This gives a clear psychoactive effect suitable for experienced and intermediate users.
CBD levels are low, normally under 1%. The variety is used primarily for its THC-driven effects rather than CBD-mediated therapy.
The lineage traces to Watermelon x Sugarcane crossings selected for sweetness and compact buds. Breeders focused on resin production and predictable flowering times.
Seeds are most commonly offered as feminized to ensure a high proportion of flowering females. Some breeders may also provide regular or auto versions, so check the seed description before purchase.
Growing Watermelon Sugar in a moist western coastal climate requires moderate experience to control humidity and prevent mould. Good ventilation and timed dehumidification are essential to avoid bud rot in such conditions.
Flowering generally completes in eight to nine weeks under stable light schedules. Individual phenotypes may finish a week earlier or later depending on care.
Yields are medium to high when plants receive steady light and nutrients. A managed greenhouse environment produces consistent harvests.
Plants grow to a medium height with a bushy structure and robust side-branching. Final height usually falls between 80 and 150 cm depending on training and pot size.
Indoors the strain responds well to topping and SCROG and stays manageable for growers in Powys. Outdoors it finishes reliably where the summer is mild, especially in a sheltered Powys greenhouse.
Growing Watermelon Sugar in Powys suits its tolerance for humidity but demands active mould prevention in the moist western coastal climate. A greenhouse equipped with good airflow and dehumidification will reduce disease risk in Powys.
The high brings a gentle body relaxation with a mild uplift in mood. At higher doses it moves toward sedation and sleepiness.
The flavour profile is dominated by juicy watermelon and sweet candy notes with an earthy backing. A light citrus tang can appear on the exhale.
Frequently Asked Questions
Common questions about this strain, covering growth, effects, and suitability for UK conditions.
A loamy, well-draining mix with added perlite and compost provides structure and moisture control suited to this strain.
Water when the top 2-3 cm of medium is dry and avoid heavy overhead irrigation to limit humidity spikes around the buds.
Harvest when most trichomes are cloudy with some ambers for a balanced effect, typically near the end of the 8-9 week flowering window.
Use consistent airflow, remove lower foliage to improve circulation, and consider dehumidifiers or heater schedules to lower overnight humidity.
Yes, in sheltered spots or a greenhouse it performs well, but choose later-sowing times and protect from persistent rain.
A bloom feed higher in phosphorus and potassium with reduced nitrogen through weeks four to eight supports bud formation.
Yes, with training like topping or LST the plants remain manageable and productive in compact greenhouse spaces.
UK greenhouse cannabis growing reduces some outdoor pest pressure but can concentrate issues like aphids and spider mites, so monitor and act early.
Many growers perform a 7-14 day flush with plain water to improve smoke quality, though opinions vary by feeding regimen.
Provide stakes or trellis as buds fatten to prevent branch sagging and improve light penetration to lower buds.
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