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Grandaddy Bruce

Feminised

Grandaddy Bruce is an indica-dominant hybrid known for berry flavours and a soothing body stone with manageable yields for experienced growers.

Why choose Grandaddy Bruce?
  • Rich berry aroma with a reliable resin crop
  • Performs well under SCROG and outdoor canopies
  • Stable phenotypes for consistent potency
THC 18-22%
CBD 0.5-1%
Lineage Granddaddy Purple x Bruce Banner
Genotype Indica-dominant hybrid
Difficulty Moderate
Flowering 8-10 weeks
Height 0.8-1.5 m
Yield Medium to high
Taste berry, earthy, citrus
Seed Type Feminised
Climate Wet Welsh valley climate
Effects uplifted, relaxed, sleepy
Environment Indoor and outdoor

About Grandaddy Bruce

Grandaddy Bruce blends dense, resinous buds, pronounced berry aromatics and a calming, sedative finish. It thrives with careful canopy management and humidity control, and performs well both indoors and outdoors for growers who mitigate moisture risks.

Grow Difficulty:

Growing difficulty is moderate and plants are forgiving but require vigilance against moisture issues in a wet Welsh valley climate. Regular pruning and excellent airflow are essential to prevent bud rot.

Flowering Time:

Flowering typically completes in eight to ten weeks under good conditions. Outdoor growers in Dorset can expect harvests around late September to October.

Yield:

Yield is medium to high for growers who manage canopy and humidity carefully. Outdoors in Dorset well-timed plants can deliver generous crops when rot is controlled.

Height:

Plants stay relatively compact with a bushy structure and reach around 0.8 to 1.5 metres. Strong lateral branching supports several substantial colas.

Environment:

Indoors the strain responds well to SCROG or SOG and benefits from controlled humidity and steady airflow. Outdoors in Dorset choose a raised, well-ventilated site to avoid stagnant damp air and to capture afternoon sun.

Climate:

Growing Grandaddy Bruce in Dorset requires strict mould prevention because of the wet Welsh valley climate. Choose elevated, well-ventilated sites and plan an early harvest if autumn damp increases.

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 are showing grey mould, what now?
A
Verified answer
Isolate the plant, cut out affected buds and increase airflow immediately to prevent spread.
Common question Posted by Urbanseedbank Answered
Q
Which training method worked best for you?
A
Verified answer
I favour SCROG to flatten the canopy and improve light penetration while reducing internal humidity pockets.
Common question Posted by Urbanseedbank Answered
Q
Do you feed during the last two weeks?
A
Verified answer
I reduce feed and switch to plain water for the final week to clear excess salts and improve flavour.
Common question Posted by Urbanseedbank Answered
Q
How often do you check trichomes?
A
Verified answer
I inspect trichomes daily from two weeks before expected harvest to catch the optimal harvest window.
Common question Posted by Urbanseedbank Answered
Q
Any tips for outdoor Dorset growers?
A
Verified answer
Site plants where afternoon sun dries dew quickly and consider lightweight covers for heavy rain periods.

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