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Blue Steel

Feminised
Photoperiod

Blue Steel is an indica-dominant hybrid that balances blueberry sweetness with resinous structure and steady potency.

Why choose Blue Steel?
  • Blueberry sweetness with diesel bite.
  • Compact plants, dense colas, steady yields.
  • Performs well in mild southern climates with proper airflow.
THC 18-22%
CBD 0.5-1%
Lineage Blueberry x Northern Lights
Genotype Indica-dominant hybrid
Difficulty Moderate
Flowering 8-9 weeks
Height Compact to medium (0.8–1.8 m outdoors)
Yield Medium-high (400–500 g/m² indoor; up to 500 g/plant outdoor)
Taste Blueberry, Diesel, Earthy spice
Seed Type Feminised, Photoperiod
Climate Mild Southern Growing Climate
Effects Relaxed clarity, Physical calm, Long-lasting mellow high
Environment Performs well both indoors and outdoors with training

About Blue Steel

Blue Steel is an indica-dominant hybrid bred from Blueberry x Northern Lights that delivers fruity terpenes, dense buds and a calming yet clear high. It suits growers who want a reliable outdoor performer in southern England and a responsive indoor strain for SCROG or similar training methods; careful humidity control and airflow management are essential for best results.

Grow Difficulty:

In a mild southern growing climate this cultivar is moderately demanding and rewards attentive care. It tolerates typical humidity but needs good airflow and vigilant pest and mould management.

Flowering Time:

Indoors Blue Steel flowers in about eight to nine weeks. Outdoor growers in Surrey can usually expect to harvest in mid to late October.

Yield:

Yields are medium to high with proper feeding and training. Under good conditions expect roughly 400–500 g/m² indoors and up to around 500 g per plant outdoors.

Height:

Plants remain compact to medium with stout central colas and productive side branches. Final outdoor height commonly ranges from 0.8 to 1.8 metres depending on training.

Environment:

Indoors Blue Steel responds well to SCROG, topping and LST for an even canopy in Surrey. Outdoors in Surrey it finishes reliably when given full sun and protection from prolonged damp.

Climate:

Growing Blue Steel in Surrey benefits from the mild southern growing climate which reduces frost risk and lengthens the effective season. Growers must still manage humidity during bud set and guard against prolonged damp to avoid mould.

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 buds show greyish patches, what now?
A
Verified answer
That could be powdery mildew or bud rot; remove affected areas, improve airflow and lower humidity immediately.
Common question Posted by Urbanseedbank Answered
Q
Should I top during veg?
A
Verified answer
Yes, topping once or twice encourages a bushier structure and more main colas, which boosts usable yield.
Common question Posted by Urbanseedbank Answered
Q
How often do you water outdoors in Surrey?
A
Verified answer
Water deeply when the top few centimetres of soil are dry, usually less frequently than in pots but more during heat spells.
Common question Posted by Urbanseedbank Answered
Q
Any nutrient burn signs to watch?
A
Verified answer
Tip yellowing and crisp leaf edges indicate overfeeding; flush lightly and reduce nutrient concentration.
Common question Posted by Urbanseedbank Answered
Q
Do you recommend a dehumidifier for late flowering?
A
Verified answer
Yes, a dehumidifier or increased ventilation during late flowering greatly reduces mould risk in damp seasons.

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