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Big Head

Feminised

Big Head is a balanced hybrid with a punchy high and manageable growth habit suitable for intermediate growers.

Why choose Big Head?
  • High-teen THC with controlled effects
  • Performs well under training and SCROG
  • Reliable finish in temperate UK seasons
THC 18-22%
CBD <1%
Lineage Big Head x Northern Lights
Genotype Hybrid
Difficulty Intermediate
Flowering 8-10 weeks
Height Medium (1.2–1.8 m outdoors)
Yield Medium-high (up to 450 g/m² indoors)
Taste Citrus And Pine, Earthy Spice, Sweet Diesel
Seed Type Feminised
Climate Temperate Southern England
Effects Clear-Headed Uplift, Relaxed Body Buzz, Focused Creativity
Environment Indoor And Outdoor

About Big Head

Big Head combines clear-headed uplift with a mellow body effect in a resilient hybrid bred for consistent performance. It flowers in eight to ten weeks, responds well to training, and suits both tent grows and sheltered outdoor plots in southern England when gardeners manage humidity and airflow carefully.

Grow Difficulty:

Under a temperate southern England climate this cultivar is best treated as an intermediate grow with attentiveness to humidity and rain. Regular feed and preventative pest checks will pay dividends in this environment.

Flowering Time:

Flowering finishes reliably in eight to ten weeks under good conditions. Outdoor harvests in the UK are typically ready by late September to October.

Yield:

Yield potential is medium-high when plants are managed with topping and canopy control indoors. Outdoor yields in favourable seasons can be competitive if plants receive shelter from persistent rain.

Height:

Plants show a medium, bushy structure with robust branching that supports heavy buds. Expect final outdoor heights around 1.2–1.8 metres unless heavily trained.

Environment:

Indoors Big Head responds well to SCROG and LST and benefits from controlled feeding schedules, and growers in Surrey will find it adapts neatly to tent environments. Outdoors in Surrey the strain performs well with wind and rain protection and a sunny microclimate.

Climate:

Growing Big Head in Surrey with a temperate southern England climate requires vigilance against damp late-season weather and occasional fungal pressure. Providing shelter, decent airflow and timely harvest windows will protect yield and quality in Surrey.

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 ventilation would you run for a 1.2 x 1.2 m tent?
A
Verified answer
I use an extractor rated for the tent volume with a speed controller and a small oscillating fan to keep a gentle breeze over the canopy.
Common question Posted by Urbanseedbank Answered
Q
When do you top Big Head for best results?
A
Verified answer
Top in early veg after 3–4 nodes to encourage multiple main colas and follow with LST to maintain an even canopy.
Common question Posted by Urbanseedbank Answered
Q
Any tips for preventing bud rot in late season outdoor grows?
A
Verified answer
Monitor trichomes and weather, provide air gaps between branches, use raised beds, and consider temporary covers for rainy spells.
Common question Posted by Urbanseedbank Answered
Q
How do you handle flushing before harvest?
A
Verified answer
I flush with plain water for 7–10 days depending on feed strength and substrate to reduce nutrient harshness in the final cure.
Common question Posted by Urbanseedbank Answered
Q
What single change gave you the biggest yield improvement?
A
Verified answer
Switching to a proper SCROG net and even canopy management made the biggest difference to bud size and uniformity.

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