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All Time High

Feminised

All Time High is a balanced sativa-leaning hybrid that gives uplifting effects, clear flavour and dependable yields for UK growers.

Why choose All Time High?
  • Uplifting daytime hybrid
  • Citrus and berry flavours
  • Good greenhouse yields
THC 18-22%
CBD <1%
Lineage Northern Lights x Haze
Genotype Hybrid (Sativa-leaning)
Difficulty Intermediate
Flowering 8-9 weeks
Height Medium (80-120 cm)
Yield Medium-High (400-500 g/m² indoor)
Taste Citrus, Sweet Berry, Earthy Spice
Seed Type Feminised
Climate Mild Maritime (Suits Uk Greenhouse And Sheltered Outdoors)
Effects Uplifting, Relaxing, Sociable
Environment Indoor & Outdoor

About All Time High

All Time High is a sativa-leaning hybrid bred from Northern Lights x Haze. It suits growers who want a lively daytime effect with gentle body relaxation. THC sits around 18 to 22% and CBD stays below 1%, which makes it a mainstream potency choice. You will see bright citrus and sweet berry notes with a light earthy spice on the finish. Plants hold a medium height and flower in eight to nine weeks indoors. Training like topping and SCROG brings up yields and evens the canopy. In the UK a greenhouse or sheltered outdoor spot gives the best results during our short season. Growers in London, Leeds and Devon find it straightforward once humidity and airflow are managed.

Grow Difficulty:

Growing difficulty is intermediate and rewards some prior experience. You will need to manage humidity closely in UK greenhouses and indoor rooms.

Flowering Time:

Flowering takes around eight to nine weeks indoors. That timeframe fits well with UK outdoor seasons if you use a greenhouse or start plants under cover.

Yield:

Yield is medium to high, typically 400–500 g/m² under good indoor conditions. British greenhouse growers often reach the upper end with training and steady feeding.

Height:

Plants stay medium in height, usually 80 to 120 cm indoors. That suits typical UK grow rooms and small garden greenhouses.

Environment:

All Time High works well indoors and outdoors, with greenhouse setups giving the best results across Britain. In damp UK summers you should manage the canopy and airflow to reduce mould risk.

Climate:

All Time High prefers a mild maritime climate and benefits from protected greenhouse grows across the UK. It performs well in Cornwall and Devon and tolerates cooler summers in Yorkshire or Scotland with extra care.

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
I'm in Manchester and worried about early season cold. When should I start?
A
Verified answer
Start seeds indoors in April and move plants out after late May if nights stay mild. Use a heated propagator for reliable germination and harden off before transplanting.
Common question Posted by Urbanseedbank Answered
Q
My greenhouse in Cornwall gets humid. What works to stop mould?
A
Verified answer
Open vents daily, run a small fan and use a dehumidifier during wet spells. Remove dense lower growth and space plants to keep air moving.
Common question Posted by Urbanseedbank Answered
Q
Growing in Glasgow with limited height. How do I keep plants short?
A
Verified answer
Top early and use low stress training to create multiple colas without extra height. A sturdy net or trellis helps support branches in windy weather.
Common question Posted by Urbanseedbank Answered
Q
I'm in Bristol with a small flat. Should I pick feminized or autoflower seeds?
A
Verified answer
Feminized seeds give predictable flowering under a 12/12 cycle and suit growers who prefer control. Autoflowers shorten the schedule but need steady light planning through their life.
Common question Posted by Urbanseedbank Answered
Q
What's the simplest way to improve flavour after harvest?
A
Verified answer
Slow dry and then cure in jars for several weeks, burping daily at first. Keep jar humidity around 60% to preserve terpene character and avoid mould.

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