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Blue Diamond

Feminised

Blue Diamond is an indica-leaning hybrid known for fruity blueberry notes and stabilised yields.

Why choose Blue Diamond?
  • Sweet blueberry aroma with a diesel edge
  • Well suited to trained canopies in limited spaces
  • Reliable yields under careful greenhouse management
THC 18-22%
CBD <1%
Lineage Blueberry x Diamond OG
Genotype Hybrid (indica-leaning)
Difficulty Intermediate
Flowering 8-9 weeks
Height Medium
Yield Medium to high
Taste blueberry sweetness, diesel sharpness, earthy herbal finish
Seed Type Feminised
Climate Humid Greenhouse Environments
Effects uplifting clarity, gradual body relaxation, mild cerebral focus
Environment Indoor/Greenhouse and Outdoor

About Blue Diamond

Blue Diamond is a compact, resin-heavy hybrid that combines Blueberry sweetness with Diamond OG punch. It suits growers who can manage humidity and provide steady airflow, and it rewards attention with consistent yields and a pronounced terpene profile.

Grow Difficulty:

Growing Blue Diamond requires intermediate skill and careful humidity control in humid greenhouse environments. Regular air circulation and targeted preventative maintenance reduce the risk of mould and bud rot.

Flowering Time:

Indoor flowering generally completes in 8–9 weeks under stable conditions. Greenhouse or outdoor plants may finish slightly later depending on light and humidity.

Yield:

Yields are medium to high when plants receive steady feeding and adequate ventilation. In a well-managed greenhouse in Hampshire plants can produce above-average harvests for their canopy size.

Height:

Plants reach a medium height with bushy, resinous branches suitable for various training techniques. The structure lends itself to even light distribution and straightforward canopy management.

Environment:

Blue Diamond performs well indoors and in greenhouse setups and adapts to small indoor cannabis grow spaces with training. Outdoor grows in Hampshire should protect plants from prolonged wet spells and manage humidity carefully.

Climate:

In Hampshire the humid greenhouse environments demand vigilant ventilation and dehumidification to prevent mildew. Successful crops rely on staged airflow, pruning and close monitoring of humidity and temperature.

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 greenhouse is humid; how often should I ventilate?
A
Verified answer
Ventilate continuously if possible and use intake and exhaust fans to exchange air; supplement with dehumidifiers during the wet season.
Common question Posted by Urbanseedbank Answered
Q
What training works best for small spaces?
A
Verified answer
Low-stress training and topping combined with screen of green techniques suit small spaces and promote even canopies.
Common question Posted by Urbanseedbank Answered
Q
How do I manage nutrient burn signs?
A
Verified answer
Reduce feed strength, flush medium if necessary and return to a gentler feeding schedule once leaf tips recover.
Common question Posted by Urbanseedbank Answered
Q
When should I start flushing in a greenhouse?
A
Verified answer
Begin flushing around seven to ten days before planned harvest while monitoring trichome development for precise timing.
Common question Posted by Urbanseedbank Answered
Q
How to spot bud rot early?
A
Verified answer
Check inner bud sites regularly for discolouration, a soft texture or a musty smell and remove affected parts immediately to limit spread.

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