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Sour Blueberry

Feminized

Sour Blueberry is an indica-dominant hybrid known for a sweet blueberry aroma with a sour diesel edge and moderate THC.

Why choose Sour Blueberry?
  • Compact plants with big blueberry flavour.
  • Performs well in controlled greenhouse setups.
  • Ideal for trained small-canopy grows.
THC 18-22%
CBD <1%
Lineage BLUEBERRY x SOUR DIESEL
Genotype Indica-dominant hybrid
Difficulty Intermediate
Flowering 8-10 weeks
Height Short to medium (60-120 cm)
Yield Medium (400-500 g/m² indoor)
Taste Blueberry sweetness, Sour citrus, Diesel undertones
Seed Type Feminized
Climate humid greenhouse environments
Effects Relaxed body sensation, Uplifted mood, Clear-headed creativity
Environment Indoor and outdoor

About Sour Blueberry

Sour Blueberry combines BLUEBERRY x SOUR DIESEL genetics to produce dense, aromatic buds that perform well in controlled environments. It offers a balanced mix of relaxation and mental clarity, suits intermediate growers and responds well to canopy training in confined spaces.

Grow Difficulty:

This cultivar suits growers with some experience and performs reliably in humid greenhouse environments when ventilation is managed. Beginners may find humidity control and mould prevention the main challenges.

Flowering Time:

Flowering typically completes in 8–10 weeks under optimal indoor conditions. Outdoor harvests in the UK usually finish in late September to early October.

Yield:

Yields are medium, often around 400–500 g/m² indoors with good care. Outdoor plants can produce similar results in favourable climates or under a well-managed greenhouse.

Height:

Plants stay short to medium, developing a bushy structure ideal for limited vertical space. Expect heights around 60–120 cm depending on training.

Environment:

Sour Blueberry performs well in controlled indoor rooms and greenhouses in Cardiff, responding positively to SCROG and low-stress training. In Cardiff gardens it can also flower reliably if sheltered from excessive rain and wind.

Climate:

In Cardiff, humid greenhouse environments require vigilant humidity control to prevent mould on dense buds. Good airflow, dehumidification and routine bud inspections are essential for success in Cardiff.

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 training did you use in a small setup?
A
Verified answer
I used LST and a two-tier SCROG to keep the canopy even and maximise light in a small room.
Common question Posted by Urbanseedbank Answered
Q
How did you handle humidity in the greenhouse?
A
Verified answer
I ran an extractor on timers and used a small dehumidifier during late flowering to keep RH below 55%.
Common question Posted by Urbanseedbank Answered
Q
Any tips for feeding during bloom?
A
Verified answer
Reduce nitrogen and boost phosphorus and potassium after week three of flowering for denser buds.
Common question Posted by Urbanseedbank Answered
Q
How do you dry and cure locally?
A
Verified answer
Dry slowly at 18–20°C with 50–60% RH for a week, then cure in jars, burping daily for the first two weeks.
Common question Posted by Urbanseedbank Answered
Q
Did you see any hermaphrodite issues?
A
Verified answer
No hermies on stable feminized genetics, but stress from heat or light leaks can provoke issues so avoid those.

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