
- Uplifting, Reliable, Productive
All Time High
All Time High is a balanced sativa-leaning hybrid that gives uplifting effects, clear flavour and dependable yields for UK growers.
- Uplifting daytime hybrid
- Citrus and berry flavours
- Good greenhouse yields
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18-22% |
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<1% |
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Northern Lights x Haze |
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Hybrid (Sativa-leaning) |
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Intermediate |
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8-9 weeks |
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Medium (80-120 cm) |
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Medium-High (400-500 g/m² indoor) |
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Citrus, Sweet Berry, Earthy Spice |
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Feminised |
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Mild Maritime (Suits Uk Greenhouse And Sheltered Outdoors) |
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Uplifting, Relaxing, Sociable |
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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.
All Time High is a balanced hybrid with a slight sativa edge. UK growers like hybrids for flexibility and predictable behaviour.
THC sits around 18 to 22%, which places it in the mid to high range for modern hybrids. That level is stronger than older UK popular varieties but below some extreme high-THC cuts.
CBD is low at under 1%, so it is not aimed at CBD-focused growers. British wellness seekers often look to specialist high-CBD lines for therapeutic use.
Genetics come from Northern Lights x Haze giving hybrid vigour and lifted sativa traits. That pairing gives steady growth and lively terpene character.
These are feminized seeds for growers who want predictable female plants. British seed collectors value feminized lines for simpler selection and stable results.
Growing difficulty is intermediate and rewards some prior experience. You will need to manage humidity closely in UK greenhouses and indoor rooms.
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 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.
Plants stay medium in height, usually 80 to 120 cm indoors. That suits typical UK grow rooms and small garden greenhouses.
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.
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.
Effects are uplifting and sociable with a gentle body relaxation that many UK users prefer for evenings. It suits those who want clarity without heavy sedation.
Flavours mix bright citrus, sweet berry notes and a light earthy spice. The citrus top-note proves popular with growers in London and Brighton.
Frequently Asked Questions
Common questions about this strain, covering growth, effects, and suitability for UK conditions.
Use 18/6 for vegetative growth and switch to 12/12 for flowering. Keep lights close enough for even growth but avoid heat stress.
Control humidity in flowering and maintain good airflow with fans. Use a dehumidifier in greenhouses during humid spells and trim lower foliage to improve circulation.
Harvest when trichomes are mostly cloudy with some amber for a balanced effect. Check neighbouring buds across the canopy for consistency before cutting.
Start with a mild nitrogen feed in veg then switch to higher phosphorus and potassium in flower. Follow product dosages and adjust based on leaf colour and growth rate.
Yes, topping and low stress training help level the canopy and boost yield. Many UK growers use SCROG in small rooms to get even light distribution.
Dry slowly over seven to ten days in a cool dark room with 45 to 55% humidity. Cure in jars for at least two weeks and burp daily early on for improved flavour.
Watch for spider mites, aphids and powdery mildew in both greenhouses and indoor setups. Inspect plants regularly and treat early with soft controls or predatory insects.
Soil is more forgiving and suits beginners across the UK. Hydroponics rewards precise feeding and will produce faster growth once you master nutrient schedules.
Low stress training and topping keep height down and spread the canopy. Use a short veg period and a small trellis to support branches.
In a sheltered garden or greenhouse expect around 200 to 600 g per plant depending on training and weather. Protected sites in southern England often reach higher weights than exposed northern locations.
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