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Crystal Coma

Feminised

Crystal Coma is an indica-dominant hybrid known for dense, resinous buds and compact growth.

Why choose Crystal Coma?
  • Heavy trichomes and dense colas
  • Compact plants ideal for SCROG
  • Performs well with careful humidity control
THC 18-24%
CBD <1%
Lineage Northern Lights x Haze
Genotype Indica-dominant hybrid
Difficulty Intermediate
Flowering 8-9 weeks
Height Compact, 60-120 cm
Yield Medium to high (outdoor dependent)
Taste Pine, Citrus sweetness, Earthy diesel
Seed Type Feminised
Climate Temperate, short outdoor growing season
Effects Deep body relaxation, Subtle cerebral uplift, Sedation at higher doses
Environment Indoor and outdoor

About Crystal Coma

Crystal Coma is an indica-dominant hybrid bred from Northern Lights x Haze that produces heavy trichome coverage and a pronounced resin profile. It suits growers who want dense, aromatic buds and who can manage moisture and timing, particularly in climates with a short outdoor growing season.

Grow Difficulty:

Growing Crystal Coma in a short outdoor growing season demands precise timing and attentive moisture control. The cultivar suits intermediate growers who can manage feeding and ventilation during a condensed season.

Flowering Time:

Indoor flowering typically finishes in eight to nine weeks under a stable light schedule. Outdoor flowering can be constrained by local season length and cooler nights.

Yield:

Yields are medium to high when plants receive adequate light, nutrients and humidity control. Outdoor crops in marginal climates may yield less unless given protection or a greenhouse.

Height:

Plants remain relatively compact, usually between 60 and 120 cm when trained. Strong lateral branching supports multiple heavy colas without excessive stretch.

Environment:

Indoors Crystal Coma responds well to SCROG and low-stress training with controlled humidity. Outdoors in Surrey it benefits from sheltered sites and early feeding to finish before autumn.

Climate:

In Surrey the short outdoor growing season makes site selection and season extension important for successful crops. Crystal Coma tolerates cool nights but benefits from protection from rain and late-summer humidity in a short outdoor growing season.

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
I'm growing in Surrey with limited summer warmth; any tips?
A
Verified answer
Use a sheltered south-facing spot or greenhouse, feed early, and consider small polytunnels to push ripening.
Common question Posted by Urbanseedbank Answered
Q
How do I prevent bud rot on dense colas?
A
Verified answer
Increase airflow, remove inner foliage, and prune to improve light penetration; harvest earlier if conditions stay damp.
Common question Posted by Urbanseedbank Answered
Q
What humidity should I target during flowering indoors?
A
Verified answer
Aim for 40-50% RH during flowering and lower to the mid-40s for final weeks to reduce mould risk.
Common question Posted by Urbanseedbank Answered
Q
Does Crystal Coma respond well to SCROG?
A
Verified answer
Yes, SCROG evens the canopy and maximises light use, which helps yield heavier flowers from this compact plant.
Common question Posted by Urbanseedbank Answered
Q
Any advice on flushing before harvest?
A
Verified answer
Reduce feed in the final two weeks and give plain water to help final terpene expression and smoother smoke.

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