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Cobalt Fire

Photoperiod regular seeds

Cobalt Fire is an indica-dominant hybrid offering a blueberry-citrus aroma, solid THC and dependable resin production for intermediate growers.

Why choose Cobalt Fire?
  • Sticky, resinous buds with a blueberry-citrus aroma
  • Reaches peak potency in eight to ten weeks
  • Performs reliably in controlled indoor setups
THC 20-24%
CBD 0.5-1.5%
Lineage COBALT KUSH x FIRE HAZE
Genotype Indica-dominant hybrid
Difficulty Intermediate
Flowering 8-10 weeks
Height Medium, 80-140 cm
Yield Medium-high (up to 450 g/m² indoor; ~350 g/plant outdoor)
Taste Blueberry, Citrus, Spicy earth
Seed Type Photoperiod regular seeds
Climate Temperate maritime with a short outdoor growing season
Effects Relaxed, Uplifted, Focused
Environment Indoor/Outdoor

About Cobalt Fire

Cobalt Fire is a resin-heavy indica-dominant hybrid bred from COBALT KUSH x FIRE HAZE that delivers a blueberry and citrus-forward terpene profile with spicy undertones. It finishes in eight to ten weeks and performs best in controlled indoor environments or sheltered outdoor sites in Liverpool, where the short outdoor growing season and humid autumns make mould prevention and early vigour priorities. The strain matches moderate to high THC with low CBD, giving strong relaxation and short-term relief for pain and insomnia while maintaining mental clarity early on. Growers should focus on canopy management, airflow and timely harvests to protect yields in damp conditions.

Grow Difficulty:

Growing Cobalt Fire in a short outdoor growing season requires attention to early vigour to finish before autumn rains. It suits intermediate growers who can manage feeding and mould prevention during the final weeks.

Flowering Time:

Flowering usually completes in eight to ten weeks under good conditions. Outdoors you should watch trichome development closely to avoid late harvests.

Yield:

Yields are medium to high under controlled indoor setups and careful feeding. Outdoor yields can be respectable but are vulnerable to losses from damp and mould.

Height:

Plants stay medium in height with sturdy stems and a conical profile. They branch well and produce multiple cola sites suited to SCROG or LST techniques.

Environment:

Indoors Cobalt Fire responds well to controlled environments, delivering consistent trichome coverage. Outdoors in Liverpool this variety benefits from a sheltered, elevated spot to limit wind and waterlogging.

Climate:

In Liverpool the short outdoor growing season forces a focus on fast canopy development and mould prevention. Plan for early topping and stretch control so plants finish before persistent autumn damp.

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 damp near the centre, what to do?
A
Verified answer
Increase lateral airflow and remove a few inner fan leaves to improve circulation, and check trichomes daily to time harvest before rot sets in.
Common question Posted by Urbanseedbank Answered
Q
Should I feed heavy during stretch?
A
Verified answer
Start with moderate feeding and increase slightly during peak flowering, but avoid excess nitrogen which can delay resin production.
Common question Posted by Urbanseedbank Answered
Q
Any tips for finishing outdoors in Liverpool?
A
Verified answer
Bring plants under shelter if heavy rain is forecast, and consider a quick plastic or mesh cover to keep buds dry without blocking airflow.
Common question Posted by Urbanseedbank Answered
Q
Do I need to frost-seal outdoor plants?
A
Verified answer
Frost isn't usually the main issue here; damp and mould are greater threats, so focus on humidity control and harvest timing.
Common question Posted by Urbanseedbank Answered
Q
Is defoliation useful for this variety?
A
Verified answer
Light, strategic defoliation can help airflow and light penetration, but avoid over-pruning late in flowering to preserve trichome-covered leaves.

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