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Blueberry Cruffin

Feminised

Blueberry Cruffin is an indica-dominant hybrid noted for its blueberry aroma and pastry-like sweetness.

Why choose Blueberry Cruffin?
  • Pronounced blueberry aroma with pastry sweetness
  • Reliable 8–9 week indoor flowering
  • Works well with LST and SCROG for higher yields
THC 18-22%
CBD <1%
Lineage Blueberry x Cruffin
Genotype Indica-dominant hybrid
Difficulty Intermediate
Flowering 8-9 weeks
Height Medium, 80-120 cm indoors
Yield Moderate to high (indoor 400-500 g/m²)
Taste Blueberry, Sweet pastry, Earthy
Seed Type Feminised
Climate Cool Temperate, Suited To Cool Northern Summers
Effects Euphoric, Relaxed, Sleepy
Environment Both

About Blueberry Cruffin

Blueberry Cruffin is a compact, resinous hybrid bred from Blueberry x Cruffin that delivers pronounced berry flavours and a calming body effect. It flowers in 8–9 weeks indoors and performs well with training and attentive humidity control, making it a good choice for growers aiming for fragrant, dense buds.

Grow Difficulty:

Growing Blueberry Cruffin suits those with some experience because plants respond well to training and nutrient management in cool northern summers. Close attention to humidity and airflow helps prevent mould and bud rot.

Flowering Time:

Indoors, flowering usually completes in 8 to 9 weeks. Outdoors, plants commonly reach maturity by late September to early October in favourable seasons.

Yield:

Yield is moderate to high indoors when pruning and light intensity are optimised. Outdoor yields depend on season length and site protection but can be rewarding in sheltered locations.

Height:

The plant develops a chunky central cola with sturdy side branches. Expect a medium height profile that suits both SCROG and SOG styles.

Environment:

Indoors, Blueberry Cruffin performs well under controlled temperature and humidity, producing dense, aromatic buds. Outdoors in Perthshire it benefits from a sheltered position and vigilant mould management.

Climate:

In Perthshire growers face short, cool northern summers that can slow ripening and increase disease risk. Choosing early-flowering phenotypes and sheltered sites improves outdoor success in Perthshire under these conditions.

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 lower bud sites stay small, what should I do?
A
Verified answer
Remove a few shading fan leaves and apply low-stress training early to expose those sites to more light.
Common question Posted by Urbanseedbank Answered
Q
I spotted grey mould starting, is the crop lost?
A
Verified answer
Act quickly: increase airflow, lower humidity, remove infected buds and treat surrounding canopy with safe fungicidal measures.
Common question Posted by Urbanseedbank Answered
Q
When should I start flushing?
A
Verified answer
Begin a light flush two weeks before harvest, then a final rinse in the last week to improve smoke quality.
Common question Posted by Urbanseedbank Answered
Q
Which feeding schedule works indoors?
A
Verified answer
Start with a quarter-strength feed and work up to recommended levels in veg, then reduce nitrogen and increase phosphorus in flowering.
Common question Posted by Urbanseedbank Answered
Q
How do I reduce stretch after flipping to flower?
A
Verified answer
Perform a final round of topping and tie-downs before flip and keep temperatures slightly cooler to limit excessive stretch.

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