
- Fruit-forward hybrid built for flavour and resin
Guava Jam
Guava Jam is a tropical, resinous hybrid well suited to intermediate growers in the UK who manage damp conditions.
- Tropical aroma with sticky trichomes
- Balanced high that suits creative sessions
- Performs well with proper wet-weather care
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18-22% |
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<1% |
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Guava x Jam |
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Hybrid |
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Intermediate |
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8-9 weeks |
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Medium to tall (1.2-2.0 m outdoor) |
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Medium (350-450 g/m² indoor; 300-500 g/plant outdoor) |
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Tropical guava, Sweet jam, Earthy |
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Feminised |
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Temperate, rainy autumn harvest season |
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Uplifting, Relaxed, Creative |
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Indoor and outdoor |
About Guava Jam
Guava Jam is a fruit-forward hybrid that combines tropical guava notes with a sweet jammy overtone and an earthy finish. It offers a balanced high with an uplifted head and a relaxed body, making it versatile for recreational and some therapeutic uses. Gardeners in the UK should pay attention to humidity and timing, especially when planning an outdoor harvest around the rainy autumn months. Indoors it responds well to training and controlled environments, while outdoors it rewards careful canopy management and mildew prevention.
Guava Jam is a balanced hybrid with both uplifting and relaxing traits. It shows a mix of sativa and indica characteristics in bud structure and effect.
THC typically ranges from 18% to 22% and gives a clear head-high with a relaxed finish. Potency is moderate to high and suits experienced and intermediate users alike.
CBD levels are low, usually under 1%. The strain is not chosen for high CBD therapeutic use but for its cannabinoid and terpene balance.
Guava Jam traces its lineage to fruit-forward parents bred for aroma and resin. The stated genetics are Guava x Jam, combining tropical terpene profiles with sticky trichome production.
Seeds are commonly available as Feminised to simplify a small-scale grow. Autoflower versions may exist but Feminised photoperiod seeds give better control over vegetative and flowering phases.
Grow difficulty is intermediate and plants tolerate some British wet weather but need attention during a rainy autumn harvest season. Extra ventilation and careful mildew prevention are important in damp conditions.
Flowering usually finishes in 8 to 9 weeks under good light. Outdoor growers in the UK should expect buds to mature by early autumn if conditions are favourable.
Yield is medium to good with proper training and feeding, producing dense, resinous buds. Indoor growers can expect around 350-450 g/m² while outdoor yields vary with season and care.
Plants develop a medium to tall structure with several main colas. Branching responds well to pruning and training to control height.
Indoors this strain does well under controlled conditions with low-stress training and defoliation. Outdoors in Durham it will reach good size but needs protection from persistent rain and wind.
Growing Guava Jam in Durham requires particular vigilance because of the rainy autumn harvest season. Protect plants from prolonged damp, and plan harvest dates to avoid the worst of the rain in Durham.
Effects start with a cerebral uplift that enhances mood and creativity. The high settles into a comfortable body relaxation that is not overly sedating.
Flavour leans strongly to tropical guava and sweet jam with an earthy backing. The finish leaves a sugary, slightly tangy aftertaste.
Frequently Asked Questions
Common questions about this strain, covering growth, effects, and suitability for UK conditions.
Yes. Guava Jam performs well among cool climate cannabis strains if you control humidity and protect plants from prolonged rain.
Prioritise airflow, remove lower foliage, and use a fungicide approved for cannabis if necessary. Consider a temporary shelter for late-season outdoor buds.
Aim to harvest before heavy, persistent autumn rain but after trichomes show cloudy/amber signs. In Durham this often means scheduling a late summer to early autumn pickup window.
A short flush of water only in the last one to two weeks can improve smoke quality for many growers. Monitor plant health; over-flushing can stress plants unnecessarily.
Increase phosphorus and potassium with reduced nitrogen once flowering starts. Use balanced micronutrients to avoid lockout in damp soils common in UK gardens.
Yes, a 1.2 x 1.2 m tent with proper ventilation and lighting can manage two to four plants. Use training to keep canopy even and maximise yield per square metre.
Slugs, snails and fungal issues are the main concerns outdoors. Regular checks and organic controls help reduce infestations.
Trim lower wet leaves and thin canopy before wet periods to improve airflow. Dry trimmed buds slowly in a controlled, low-humidity space to avoid mould.
When properly dried and cured, flavours remain pronounced for several months. Store in airtight containers away from light and heat to preserve the guava and jam notes.
Feminised seeds are the easiest route for reliable flowering in the UK. Start indoors or in a greenhouse and harden off plants before outdoor exposure to reduce stress.
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