
- Fruit-forward, resilient, and well-suited to mild coastal climates.
Watermelon Rush
Watermelon Rush is an indica-dominant hybrid noted for its sweet, watery flavour and steady, relaxing effects.
- Sweet watermelon aroma with earthy spice
- Reliable outdoor finisher in temperate zones
- Balanced potency for day-to-evening use
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18-22% |
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0.5-1.0% |
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Watermelon OG x Rush Haze |
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Indica-dominant hybrid |
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Moderate |
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8-9 weeks |
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Compact to medium |
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Medium to high (≈450 g/m² indoor; 450–600 g/plant outdoor) |
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Ripe watermelon sweetness, Earthy spice, Light citrus tang |
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Feminised |
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Mild southern growing climate |
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Uplifting cerebral buzz, Calming body relaxation, Sociable clarity at low doses |
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Indoor & Outdoor |
About Watermelon Rush
Watermelon Rush is a compact, indica-dominant hybrid bred for fruity flavour and reliable yields. It performs well indoors and outdoors in temperate regions and rewards careful humidity control with dense, resinous buds.
Watermelon Rush is an indica-dominant hybrid with pronounced fruity terpenes. The plant shows dense bud formation and a balanced growth habit.
THC levels typically range between 18% and 22%. That potency gives clear psychoactive effects without being overly aggressive for experienced users.
CBD is low, usually under 1%. It is not selected for CBD-heavy therapeutic profiles.
Watermelon Rush comes from a Watermelon OG x Rush Haze cross. The lineage emphasises fruity terpenes and a resilient growth pattern.
Seeds are generally sold as feminised to ensure a predictable, bud-only crop. Auto-flowering variants are available but may give reduced final yield.
Growing difficulty is moderate and suits cultivators with some experience. In a mild southern growing climate it responds well to standard feeding and humidity control, though growers must monitor mould risk.
Flowering usually completes in 8–9 weeks under stable conditions. Trichome development intensifies in the final two weeks.
Yields are medium to high when plants receive good light and nutrients. Outdoor specimens can outperform indoor yields given a long season and proper care.
Plants remain compact to medium in height, making them suitable for modest spaces. Side branches produce substantial colas under even canopy management.
Indoors it thrives under consistent lighting and controlled humidity. Outdoors in Swansea it finishes reliably and benefits from temperate summer conditions.
Swansea's mild southern growing climate suits Watermelon Rush and supports steady flower development. Growers in Swansea should still control late-season humidity to avoid bud rot in damp spells.
Initial effects are a bright, uplifting cerebral buzz that settles into relaxed body calm. At higher doses the strain produces deep physical relaxation and sleepiness.
The flavour profile foregrounds ripe watermelon with sugary top notes. Beneath that sits a steady earthy spice and a touch of citrus.
Frequently Asked Questions
Common questions about this strain, covering growth, effects, and suitability for UK conditions.
Use a balanced NPK schedule with moderate nitrogen in vegetative growth and increased phosphorus and potassium through flowering.
Maintain good air circulation, reduce canopy density in the final weeks, and keep relative humidity below 50% during late flowering.
It is manageable for enthusiastic beginners but benefits from some familiarity with pruning and pest control.
Harvest when 60–70% of trichomes are cloudy with some ambers for a balanced effect profile.
Yes, a greenhouse works well, extending the season while offering shelter from heavy rain.
It tolerates moderate humidity but requires vigilance; humid climate cannabis growing demands extra airflow and preventative trimming to limit mould.
Low-stress training and light topping encourage even canopies; SCROG works well indoors to maximise light use.
A well-draining loam with added organic matter suits the strain; avoid waterlogged mixes that raise rot risk.
Expect roughly 10–12 weeks from seed for feminised plants, including short veg time and 8–9 weeks flowering.
Yes, the fruity terpenes produce a noticeable aroma, so consider carbon filtration for discreet indoor grows.
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