
- Balanced hybrid built for practical UK grows
Star 91
Star 91 is a compact, indica-leaning hybrid well suited to indoor LED cultivation in the UK with balanced effects and reliable yields.
- Compact plants, big resin production
- Performs well under LEDs
- Reliable finish in UK seasons
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18-22% |
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0.5-1% |
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Northern Lights x Skunk |
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Hybrid (Indica-leaning) |
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Intermediate |
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8-10 weeks |
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Compact to medium (80-140 cm) |
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Medium-High (approx 450-500 g/m2 indoor) |
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Citrus zest, Pine, Earthy spice |
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Feminised |
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variable British weather |
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Mellow body relaxation, Clear-headed uplift, Focused calm |
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Indoor and outdoor |
About Star 91
Star 91 is a hardy, indica-leaning hybrid bred from Northern Lights x Skunk that offers compact growth and resin-heavy buds. It performs particularly well under modern LED rigs and responds to common training methods, making it a solid choice for growers in Leeds and similar UK climates who want predictable structure and moderate to high yields.
Star 91 is a balanced hybrid with a slight indica dominance. It produces dense, trichome-coated flowers and a steady, manageable structure.
THC levels typically sit in the mid to high range, around 18–22 percent. This provides a clear psychoactive effect without becoming overwhelmingly intense for most users.
CBD content is low and generally measures under one percent. Growers seeking notable CBD benefits should select a different variety or use extracts.
Star 91 descends from Northern Lights x Skunk parents known for resilience and resin production. This lineage gives the plant its compact structure and reliable bud set.
Seeds are supplied as feminised to minimise male plants for small-scale growers. Feminised genetics simplify cultivation and reduce the need for early plant sexing.
Under variable British weather this cultivar requires attentive feeding and humidity control to avoid mould. It suits intermediate growers who can monitor moisture and ventilation closely.
Flowering takes around eight to ten weeks indoors under stable conditions. Outdoors plants usually finish by late September in a typical UK season.
Yield indoors is moderate to high with proper training and strong LED lighting. Outdoor harvests can be respectable in a warm, sheltered UK summer but will vary with conditions.
Plants remain compact to medium height with sturdy branches and tight internodes. That structure makes them suitable for SCROG, SOG and standard pot setups.
Indoors in Leeds the strain responds very well to LED setups and controlled environments. Outdoors in Leeds it benefits from a sunny, sheltered spot and protection from prolonged damp.
Growing Star 91 in Leeds requires attention to the variable British weather, particularly rainfall and humidity during late summer. Using a covered greenhouse or moving plants indoors during wet weeks reduces the risk of bud rot.
Effects combine a mellow body buzz with a clear-headed lift that suits daytime and early evening use. Most users report relaxed focus rather than heavy sedation or intense cerebral highs.
Flavours lean towards sweet citrus, fresh pine and a faint earthy spice. The smoke is smooth with a lingering zesty finish.
Frequently Asked Questions
Common questions about this strain, covering growth, effects, and suitability for UK conditions.
Full-spectrum LED lights with a reliable PAR output suit Star 91 well and help control stretch while delivering resin production.
Keep relative humidity around 40-50 percent during flowering and increase ventilation to prevent mould under damp conditions.
Start with a mild veg nutrient schedule, increase during flowering, and taper feeding in the final two weeks to flush excess salts.
Yes, it tolerates moderate temperature swings but prolonged cold or wet periods can slow development and increase disease risk.
Low stress training and topping work well to open the canopy and increase bud sites for higher yields under LEDs.
Yellowing leaves, slow growth and brown tips usually indicate deficient nitrogen or potassium depending on growth stage.
Dry slowly at 18-20°C with 45-55 percent humidity, then cure in airtight jars for several weeks to develop flavours and smoothness.
Yes, its compact nature makes it ideal for tents, especially when combined with targeted training and LED fixtures.
Spider mites and aphids can appear in indoor spaces, so keep cleanliness, monitor regularly and use biocontrols or insecticidal soaps as needed.
Use efficient full-spectrum LEDs, control ventilation and humidity, and keep a compact canopy to maximise light use and limit problems in confined spaces.
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