
- Tropical lift, focused clarity
Jack Fruit
Jack Fruit is a sativa-dominant hybrid with tropical flavours and an uplifting, focused high.
- Tropical aroma with a clear-headed lift
- Performs well in sheltered outdoor spots
- Great for creative daytime sessions
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18-22% |
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0.5-1% |
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Jack Herer x Tropical Fruit |
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Sativa-dominant hybrid |
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Intermediate |
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8-10 weeks |
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Medium-tall |
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Medium-High |
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tropical, citrus, mango |
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Feminised |
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mild southern growing climate |
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uplifting, energetic, euphoric |
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Both |
About Jack Fruit
Jack Fruit pairs sativa clarity with sweet, tropical terpenes to deliver an energetic, creative effect. It suits intermediate growers in mild climates and rewards attention to airflow and humidity control.
Jack Fruit is a sativa-dominant hybrid known for bright, clear-headed effects. It favours daytime use and social activities.
THC levels are moderate to high, typically around 18–22%. The potency gives a reliable cerebral lift without heavy sedation.
CBD content is low, usually under 1%. The cultivar is chosen more for its THC-driven effects than for CBD therapy.
The lineage combines Jack Herer with a tropical fruit strain to merge clarity with fruity terpenes. This cross emphasises sativa traits alongside sweet aroma.
Most commercially available seeds are Feminised for predictable female crops. Some breeders offer regular or autoflower variants for specific preferences.
Growing Jack Fruit suits intermediate growers who manage airflow and basic pest control. It handles humidity in a mild southern growing climate well but benefits from preventative mould measures.
Flowering commonly completes in 8–10 weeks under indoor conditions. Outdoor plants typically finish by mid to late autumn in temperate areas.
Yields are medium to high with good light and feeding schedules. Outdoors it can produce larger harvests when planted in a sunny, sheltered spot.
Plants develop a medium-tall structure with long internodes and a prominent central cola. Training such as topping or LST controls vertical stretch and promotes side branches.
Indoors, Jack Fruit responds well to SCROG and SOG techniques and rewards strong, consistent light. In Cambridge it grows larger outdoors and benefits from good ventilation and sun exposure.
In Cambridge the strain thrives when given steady warmth and sensible ventilation in a mild southern growing climate. Regular checks for moisture and airflow reduce the risk of mould in that environment.
The initial effect is uplifting and cerebral, promoting focus and creativity. It later brings a gentle physical ease without heavy sedation.
Flavours are distinctly tropical, with citrus and ripe mango notes and a slight spicy undertone. The smoke is sweet and finishes clean.
Frequently Asked Questions
Common questions about this strain, covering growth, effects, and suitability for UK conditions.
Provide a balanced NPK feed during vegetative growth and increase phosphorus during flowering to support bud development.
Good ventilation and dehumidification are key; this guide covers humid climate cannabis growing techniques like controlling air exchange and reducing leaf wetness.
Yes, a greenhouse offers warmth and protection but requires active ventilation and shading on hot days to avoid heat and humidity stress.
Begin low-stress training after the second or third node and consider topping once plants are established to encourage bushier growth.
Moderate susceptibility; dense buds can trap moisture so maintain airflow, prune lower growth, and monitor humidity during late flowering.
Yes, in southern and central UK locations it can flourish if planted in a sunny, sheltered spot and protected from persistent rain.
Use 18/6 for vegetative growth and switch to 12/12 for flowering to trigger bud development and maintain compact internodes.
Reduce nutrient strength two weeks before harvest and water with plain pH-balanced water to improve flavour and smoothness.
Monitor trichomes for a mix of cloudy and some amber; harvest when the desired balance of potency and effect is reached.
Aphids, spider mites and fungal gnats are common; use integrated pest management and maintain cleanliness to prevent infestations.
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