
- Alien, Jack, Hybrid
Alien Jack
Alien Jack is a sativa-dominant hybrid that blends Alien OG potency with Jack Herer clarity for a bright, resinous profile.
- Sativa-driven aroma
- Greenhouse friendly
- Dense trichome cover
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18-24% |
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0.5-1.5% |
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Alien OG x Jack Herer |
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Sativa-dominant hybrid |
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Intermediate |
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8-10 weeks |
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Medium to tall (80-160 cm) |
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Medium-High (400-500 g/m² indoor) |
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Pine, Citrus, Earthy |
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Feminised |
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Mild Maritime; Suited To Uk Greenhouse And Sheltered Outdoor Sites |
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Uplifting, Creative, Relaxing |
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Both |
About Alien Jack
Alien Jack is a sativa-dominant hybrid bred from Alien OG x Jack Herer. It gives a lively head high with a calm body ease. The aroma mixes pine and citrus over an earthy base. You will find it suits daytime use and creative tasks. Growers in the UK often run it in a greenhouse to protect against damp weather. Indoor growers will get dense colas with good trichome production when they use training and steady feeding.
Alien Jack is a sativa-dominant hybrid with lively, cerebral notes. UK growers often pick it for daytime use and social sessions in places from Manchester to Brighton.
THC levels usually sit in the mid to high range, roughly 18 to 24%. That puts it near other popular UK favourites like Jack Herer crosses used by British seed collectors.
CBD content stays low, typically under 1.5%. This fits wellness interest among British consumers who look for uplifting effects while keeping a light CBD presence.
Alien Jack descends from Alien OG crossed with Jack Herer. That genetics mix gives dense trichome production alongside sativa clarity useful to UK growers.
These seeds are feminized to reduce male plants and simplify runs. British seed collectors will value fewer surprises when running a small indoor crop.
Growing Alien Jack requires intermediate skill and careful humidity control in damp British seasons. Many growers use a greenhouse to manage moisture in cities such as Bristol or Glasgow.
Flowering takes around eight to ten weeks indoors. That timing suits most UK seasons when you run plants in a greenhouse or pick sheltered outdoor sites in Cornwall.
Yield is medium to high with good feeding and training. UK indoor growers often reach 400 to 500 g per square metre while greenhouse crops frequently produce more per plant.
Plants reach medium to tall sizes and often stretch during the bloom phase. That makes them well suited to average UK grow rooms and greenhouse benches in Leeds.
Alien Jack performs well both indoors and outdoors when you protect it from prolonged rain. Scottish growers often rely on greenhouses or polytunnels to keep buds dry and healthy.
Best climate is mild maritime with shelter from long wet spells, such as greenhouses in southern England and Cornwall. In cooler zones like the Scottish Highlands a greenhouse and earlier finishing help match the short season.
Effects are uplifting and cerebral with a gentle body ease. Many British users choose Alien Jack for daytime creativity and social settings.
Flavours combine bright citrus and pine over an earthy base. Those clean, fresh notes appeal to growers who prize aroma in places such as Nottingham and Sheffield.
Frequently Asked Questions
Common questions about this strain, covering growth, effects, and suitability for UK conditions.
It suits growers with some basic experience. Beginners will manage if they follow simple feeding and humidity practices.
Expect eight to ten weeks indoors. Outdoor growers should plan for a mid to late season harvest with greenhouse support.
Plants typically reach between 80 and 160 cm. Use topping and low stress training to control height in compact grow rooms.
Start with a balanced veg feed then switch to a bloom formula at flower. Feed moderately and watch leaf colour for signs of deficiency.
Yes. SCROG and LST help increase bud sites and even the canopy. Training helps indoor growers reach better yields without higher stretch.
It prefers stable humidity and good airflow. Use dehumidifiers or ventilation in damp UK summers and during the late flower outdoors.
Watch for spider mites, whitefly and grey mould in wet conditions. Regular checks and good airflow reduce issues in British gardens.
Dry for seven to twelve days in a cool, dark room with 45 to 55 percent RH. Cure in jars for at least two weeks for better flavour and smoothness.
Yes, it gives a clear pine and citrus aroma. Use carbon filters or grow in a greenhouse to manage scent in urban areas like Liverpool.
This version is offered as feminized seeds in our line. Autoflower variants may exist from other breeders, so check seed listings if you prefer that type.
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