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California Black Roze

Feminised
Photoperiod

California Black Roze is an indica-dominant hybrid bred for resinous buds and dark berry flavours.

Why choose California Black Roze?
  • Dense, resinous buds with deep berry aromas.
  • Performs strongly in controlled greenhouse environments.
  • Balanced potency ideal for evening use and pain relief.
THC 18-22%
CBD <1%
Lineage Black Rose x California Orange
Genotype Indica-dominant hybrid
Difficulty Moderate
Flowering 8-10 weeks
Height Medium; compact central cola with sturdy side branches
Yield Medium-high (approx. 400-550 g/m2 indoor)
Taste Dark berry, Earthy wood, Citrus zest
Seed Type Feminised, Photoperiod
Climate Humid Greenhouse Conditions
Effects Relaxed body stone, Gentle cerebral uplift, Sedative in higher doses
Environment Both (greenhouse recommended in cool, wet climates)

About California Black Roze

California Black Roze is an indica-dominant hybrid combining dense, resin-rich flowers with a pronounced dark berry and citrus profile. Suited to greenhouse grows in cool, wet climates like the Scottish Highlands, it rewards careful humidity control, steady ventilation and selective training to produce stable yields and potent, aromatic buds.

Grow Difficulty:

This strain is moderately challenging to cultivate under humid greenhouse conditions due to a susceptibility to mould and bud rot. Active humidity control, regular pruning and strong airflow are necessary to maintain plant health.

Flowering Time:

Flowering usually finishes in eight to ten weeks under stable conditions. Outdoor growers should plan for a late September to early October harvest in cool climates.

Yield:

Yield is medium to high when plants are managed in a controlled greenhouse environment. With good training and ventilation it produces dense buds and predictable returns.

Height:

Plants stay medium in height with a prominent central cola and robust lateral growth. They respond well to SCROG and low-stress training to maximise light exposure.

Environment:

Indoors or in a greenhouse it delivers stable phenotypes and manageable height for trained setups. Outdoors in the Scottish Highlands it can perform well if sited in a sheltered, sunny spot with protection from persistent rain.

Climate:

Growing California Black Roze in the Scottish Highlands requires attention because humid greenhouse conditions are common and easily encourage mould. Install dehumidifiers, provide constant ventilation and choose sunny, sheltered benches to protect trichomes and terpene profiles.

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 defoliate?
A
Verified answer
Light defoliation before flowering then selective removal during early bloom is usually enough.
Common question Posted by Urbanseedbank Answered
Q
My buds show early signs of mould, what now?
A
Verified answer
Increase ventilation, lower humidity, remove affected areas and consider an anti-fungal treatment approved for use.
Common question Posted by Urbanseedbank Answered
Q
What feeding schedule worked for you?
A
Verified answer
I feed a balanced veg mix until week three of flowering, then switch to a lower-nitrogen bloom formula and supplement with silica.
Common question Posted by Urbanseedbank Answered
Q
Do you recommend organic or synthetic nutrients?
A
Verified answer
Both work; organic feeds can improve soil biology but need careful timing in damp climates to avoid excess moisture.
Common question Posted by Urbanseedbank Answered
Q
Any tips for terpene preservation?
A
Verified answer
Harvest during a dry spell if possible, dry slowly, cure properly and avoid overheating during any drying stage.

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