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Blueberry Crumble

Feminised

Blueberry Crumble is an indica-dominant hybrid with sweet blueberry notes and dependable yields.

Why choose Blueberry Crumble?
  • Sweet blueberry aroma with pastry notes
  • Reliable yields for intermediate growers
  • Compact plants suited to greenhouse setups
THC 18-22%
CBD <1%
Lineage Blueberry x Afghani
Genotype Indica-dominant hybrid
Difficulty Intermediate
Flowering 8-10 weeks
Height Short to medium (0.8-1.5 m)
Yield Medium to high
Taste Blueberry, Sweet pastry, Earthy
Seed Type Feminised
Climate Humid Greenhouse Conditions
Effects Relaxed, Uplifted, Sleepy
Environment Indoor and outdoor

About Blueberry Crumble

Blueberry Crumble combines a pronounced blueberry terpene profile with a compact, resinous structure that suits both greenhouse and modest outdoor grows. It produces a relaxing, slightly sedative high and performs best with good airflow and humidity control; growers in Cardiff will appreciate its predictable flowering window and reliable resin production when attention is paid to ventilation and mould prevention.

Grow Difficulty:

Growing Blueberry Crumble in humid greenhouse conditions requires vigilant ventilation and routine pruning to reduce the risk of mould. Overall it rates as an intermediate grow that rewards steady attention rather than advanced intervention.

Flowering Time:

Flowering typically completes in eight to ten weeks under stable conditions. Outdoors in Cardiff plants often finish towards the later part of that window if the summer is cool.

Yield:

Yields are medium to high when plants get consistent nutrients and good airflow. In a humid greenhouse in Cardiff bud density can be excellent once mould risks are controlled.

Height:

Plants remain short to medium, generally between 0.8 and 1.5 metres. They form bushy lateral branches suitable for low-stress training or SCROG setups.

Environment:

Blueberry Crumble adapts well to both indoor and outdoor environments, but outdoor growers in Cardiff must plan for late-season rain. In a greenhouse it benefits from controlled humidity and increased airflow.

Climate:

In Cardiff, humid greenhouse conditions demand strict humidity control to prevent bud rot and mildew. Active ventilation and occasional dehumidification during late flowering are essential to protect yields.

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 your ventilation setup in the greenhouse?
A
Verified answer
I run an extractor fan with passive intake plus two oscillating fans inside to keep air moving around the canopy.
Common question Posted by Urbanseedbank Answered
Q
How often do you water in summer?
A
Verified answer
In summer I water when the top 2-3 cm of medium is dry, usually every 2-3 days depending on pot size and temperature.
Common question Posted by Urbanseedbank Answered
Q
Any tips for reducing bud rot risk?
A
Verified answer
Keep internodes open, remove dense fan leaves late in flower and use a simple dehumidifier when relative humidity spikes.
Common question Posted by Urbanseedbank Answered
Q
Do you feed heavy during flowering?
A
Verified answer
No, moderate feeding with a bloom formula works best; overfeeding often causes resistance to moisture and lockouts.
Common question Posted by Urbanseedbank Answered
Q
How do you finish jars after trimming?
A
Verified answer
I dry slowly to a brittle stem, then cure in glass jars, burping daily for the first week and weekly afterwards.

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