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Tropic Thunder

Feminised

Tropic Thunder is a sativa-dominant hybrid offering tropical flavours and an uplifting daytime high suited to greenhouse and indoor growers.

Why choose Tropic Thunder?
  • Bright tropical terpene profile with pine undertones
  • Sativa lift with manageable body relaxation
  • Reliable feminised genetics for predictable canopies
THC 18-23%
CBD 0.5-1%
Lineage Skunk x Northern Lights
Genotype Sativa-dominant hybrid
Difficulty Intermediate
Flowering 8-10 weeks
Height Medium-tall; 1–2.5 m outdoors
Yield Medium-high (≈450-550 g/m² indoors)
Taste tropical fruit, pine, earthy
Seed Type Feminised
Climate moist western coastal climate
Effects uplifting, focused, euphoric
Environment Greenhouse and indoor-friendly

About Tropic Thunder

Tropic Thunder is a lively sativa-dominant hybrid bred for bright terpene profiles and a focused, energising high. It performs well under controlled indoor and greenhouse conditions, producing medium to high yields when given steady nutrients and vigilant humidity control. In coastal regions like Newcastle the key challenge is moisture management, so growers should prioritise airflow, dehumidification and preventative disease control. With feminised seed and attentive training, Tropic Thunder rewards growers with potent, fragrant flowers.

Grow Difficulty:

Growing Tropic Thunder requires intermediate skills because humidity control is vital in a moist western coastal climate. Adequate pruning, airflow and timely preventative work reduce the risk of mould.

Flowering Time:

Flowering completes in roughly eight to ten weeks under stable indoor schedules. Outdoor plants are generally ready by late autumn in mild seasons.

Yield:

Yield is medium to high when growers manage canopy and feed correctly. Indoor crops often reach around 450 to 550 g/m² while outdoor results vary with local conditions.

Height:

Plants develop a medium-tall structure with elongated internodes and strong main stems. Height outdoors commonly ranges from one to two and a half metres depending on training.

Environment:

Tropic Thunder does well in a greenhouse and controlled indoor environments where damp air can be managed. Growers in Newcastle should favour a ventilated greenhouse or climate-controlled tent to limit coastal damp problems in Newcastle.

Climate:

Growing Tropic Thunder in Newcastle needs constant attention to the moist western coastal climate and seasonal humidity swings. Use dehumidification, strong ventilation and preventive mould measures to protect the crop.

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 are getting tight but the stems feel weak, what now?
A
Verified answer
Support colas with stakes or trellis and ensure calcium and silica levels are adequate to strengthen stems.
Common question Posted by Urbanseedbank Answered
Q
When should I switch to bloom nutrients?
A
Verified answer
Switch at the first signs of pistils appearing and lower nitrogen while increasing phosphorus and potassium gradually.
Common question Posted by Urbanseedbank Answered
Q
I see white powder on leaves, could this be powdery mildew?
A
Verified answer
Yes, treat early with potassium bicarbonate or approved organic sprays and improve airflow to stop spread.
Common question Posted by Urbanseedbank Answered
Q
How often should I ventilate the greenhouse in coastal conditions?
A
Verified answer
Ventilate continuously during warm hours and run mechanical extraction to keep RH under 55% during flowering.
Common question Posted by Urbanseedbank Answered
Q
Should I top Tropic Thunder for better yields?
A
Verified answer
Topping works well to create multiple main colas but do it early and allow recovery before flowering.

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