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Cosmo

Feminised

Cosmo is a sativa-dominant hybrid that delivers clear, focused highs and resinous buds.

Why choose Cosmo?
  • Clear-headed energy with a relaxing finish
  • Stable genetics from Northern Lights x Skunk
  • Performs reliably in mild southern growing climates
THC 18-22%
CBD 0.5-1%
Lineage Northern Lights x Skunk
Genotype Sativa-dominant hybrid
Difficulty Intermediate
Flowering 8-10 weeks
Height Medium-tall
Yield Medium-high
Taste Citrus, Earthy, Pine
Seed Type Feminised
Climate Mild southern growing climate
Effects Uplifting, Focused, Relaxed
Environment Both

About Cosmo

Cosmo is a sativa-dominant hybrid bred from Northern Lights x Skunk that offers a focused, uplifting high with manageable body relaxation. It suits intermediate growers and performs well both indoors and outdoors when humidity and airflow are carefully managed. In temperate regions like Essex the strain rewards attention to ventilation, training and timely harvest for dense, aromatic flowers.

Grow Difficulty:

Cosmo suits intermediate growers and benefits from regular training and an attentive feed schedule in a mild southern growing climate. You must watch for mould and nutrient imbalances during dense flowering.

Flowering Time:

Indoor flowering completes in roughly eight to ten weeks under stable conditions. Outdoor plants usually finish by late September to early October in a temperate season.

Yield:

Yields are medium-high when plants receive balanced nutrients and proper light, often rewarding careful growers. Outdoor crops can reach their best when trouble from rain and humidity is minimised.

Height:

Plants grow to a medium-tall structure with a prominent central cola and well-spaced side branches. They respond well to LST and SCROG to manage stretch and maximise bud sites.

Environment:

Indoors Cosmo performs well in SOG or SCROG setups with controlled humidity and steady airflow in Essex. Outdoors in Essex the strain finishes reliably if you guard against prolonged damp and provide good canopy ventilation.

Climate:

Growing Cosmo in Essex benefits from a mild southern growing climate that encourages steady ripening when humidity is controlled. Even in this gentler climate, keep ventilation and preventative pruning sharp to avoid mould in dense buds.

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
What's the best trellis method for Cosmo indoors?
A
Verified answer
SCROG works well to control stretch and create an even canopy, improving light use and bud uniformity.
Common question Posted by Urbanseedbank Answered
Q
I have a summer with frequent drizzle; what should I do?
A
Verified answer
Increase canopy ventilation, remove inner foliage and consider a temporary cover late in the season to keep buds drier.
Common question Posted by Urbanseedbank Answered
Q
When should I start reducing nitrogen?
A
Verified answer
Begin to taper nitrogen as flowering starts and switch to a bloom formula rich in phosphorus and potassium by week three of flower.
Common question Posted by Urbanseedbank Answered
Q
How long should I cure Cosmo?
A
Verified answer
Cure for at least two to four weeks in airtight jars with regular burping to stabilise flavours and smooth the smoke.
Common question Posted by Urbanseedbank Answered
Q
Any tips for maximising trichome production?
A
Verified answer
Maintain stable night temperatures a few degrees cooler than daytime, avoid overfeeding, and consider a brief flush before harvest to concentrate resins.

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