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London Jelly

Feminised

London Jelly is a mid-THC hybrid bred for balanced effects, sweet jelly flavours and reliable yields.

Why choose London Jelly?
  • Sweet jelly aroma with a clear, uplifting high
  • Performs well in controlled tents and sheltered outdoor plots
  • Reliable mid-to-high yields with robust resin production
THC 18-22%
CBD 0.5-1%
Lineage London Pound x Jelly
Genotype Hybrid
Difficulty Intermediate
Flowering 8-10 weeks
Height Medium (0.8-1.2 m indoors; 1-2 m outdoors)
Yield Medium-High (up to 450 g/m² indoor; 400-500 g/plant outdoor)
Taste Sweet berry jelly, Citrus zest, Earthy undertones
Seed Type Feminised
Climate Temperate southern England
Effects Relaxed body buzz, Lifted, clear-headed euphoria, Focused and sociable
Environment Indoor & Outdoor

About London Jelly

London Jelly is a hybrid chosen for its sweet berry jelly flavour, clear-headed uplift and dependable performance in temperate gardens. It suits growers in Hertfordshire who want a robust, resinous strain that responds well to training and controlled-environment techniques.

Grow Difficulty:

Grow difficulty is intermediate and manageable for growers with some experience in ventilated tents or small glasshouses. The temperate southern England climate can be forgiving but requires attention to humidity and ventilation.

Flowering Time:

Flowering finishes in around eight to ten weeks under optimal conditions. Outdoor growers can expect ripeness in late September to early October in a normal season.

Yield:

Yields are medium-high when trained and fed correctly, especially under good light. Careful pruning and support will maximise bud development.

Height:

Plants reach a medium height with sturdy central colas and lateral branching. They respond well to SCROG and low-stress training to control stretch.

Environment:

Indoors this strain performs well in a controlled environment with good air exchange and stable temperatures in Hertfordshire. Outdoors it rewards sunny, sheltered sites and benefits from a little extra protection in late season in Hertfordshire.

Climate:

Growing London Jelly in Hertfordshire suits its needs because the temperate southern England climate gives a long, mild growing season. Growers should still prepare for damp autumns and use good ventilation to prevent mould.

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
How often should I water my London Jelly plants?
A
Verified answer
Water when the top 2-3 cm of compost feels dry, avoid waterlogging and reduce frequency as flowering progresses to prevent bud rot.
Common question Posted by Urbanseedbank Answered
Q
What humidity should I aim for in flowering?
A
Verified answer
Keep relative humidity around 40-50% during mid to late flowering to limit mould risk and preserve trichomes.
Common question Posted by Urbanseedbank Answered
Q
Any tips for pest prevention in Hertfordshire?
A
Verified answer
Regularly inspect plants, use insect-proof mesh at vents, and introduce companion predators or soft insecticides if needed.
Common question Posted by Urbanseedbank Answered
Q
Should I flush before harvest?
A
Verified answer
Many growers reduce feeding and water only for the final 7-10 days to improve smoke quality, though methods vary by preference.
Common question Posted by Urbanseedbank Answered
Q
What training suits limited height spaces?
A
Verified answer
Use SCROG or gentle mainline training to create a flat canopy and keep overall height within your space limits.

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