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Jack Fruit

Feminised

Jack Fruit is a sativa-dominant hybrid with tropical flavours and an uplifting, focused high.

Why choose Jack Fruit?
  • Tropical aroma with a clear-headed lift
  • Performs well in sheltered outdoor spots
  • Great for creative daytime sessions
THC 18-22%
CBD 0.5-1%
Lineage Jack Herer x Tropical Fruit
Genotype Sativa-dominant hybrid
Difficulty Intermediate
Flowering 8-10 weeks
Height Medium-tall
Yield Medium-High
Taste tropical, citrus, mango
Seed Type Feminised
Climate mild southern growing climate
Effects uplifting, energetic, euphoric
Environment 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.

Grow Difficulty:

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 Time:

Flowering commonly completes in 8–10 weeks under indoor conditions. Outdoor plants typically finish by mid to late autumn in temperate areas.

Yield:

Yields are medium to high with good light and feeding schedules. Outdoors it can produce larger harvests when planted in a sunny, sheltered spot.

Height:

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.

Environment:

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.

Climate:

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.

Frequently Asked Questions

Common questions about this strain, covering growth, effects, and suitability for UK conditions.

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Choose seed quantity
Selected: 5 Seeds
£53.33 £40.00
£8.00 / seed • You save £13.33
Accepted payment methods
100% Satisfaction Guarantee • Secured Payments
Urbanseedbank Support

Questions & Answers

Customer questions and answers from the Urbanseedbank team. Submit your own question and we’ll respond after review.

5 questions Answered posts are shown first.
Common question Posted by Urbanseedbank Answered
Q
My buds look a bit tight and moist, what should I do?
A
Verified answer
Increase ventilation and slightly lower humidity during late flowering; remove dense fan leaves that block airflow around colas.
Common question Posted by Urbanseedbank Answered
Q
Should I top or let it stretch?
A
Verified answer
Top early to promote multiple main colas, then use LST to manage stretch and keep a flat canopy under your lights.
Common question Posted by Urbanseedbank Answered
Q
Any tips for outdoor Cambridge grows?
A
Verified answer
Plant after the last risk of frost, choose a south-facing sheltered spot and mulch to conserve moisture during dry spells.
Common question Posted by Urbanseedbank Answered
Q
How often to feed during flowering?
A
Verified answer
Feed weekly with a bloom formula, watching runoff EC to avoid nutrient burn, and adjust according to plant response.
Common question Posted by Urbanseedbank Answered
Q
Best way to dry and cure?
A
Verified answer
Hang branches in a dark, cool room at 45–55% RH for 7–10 days, then cure in jars with daily burping for the first fortnight.

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