
- Uplifting clarity with a zesty edge.
Lights On
Lights On is a sativa-dominant hybrid bred for clear, uplifting effects and bright citrus flavours.
- Bright, cerebral high ideal for creative tasks
- Resilient genetics suited to controlled indoor environments
- Zesty citrus flavour with a diesel backbone
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18-22% |
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<1% |
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NORTHERN LIGHTS x HAZE |
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Sativa-dominant hybrid |
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Intermediate |
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9-11 weeks |
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Medium-tall (up to 1.8 m outdoors) |
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Medium-high (approx. 400–500 g/m² indoor) |
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Citrus, Diesel, Earthy |
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Feminised |
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Humid indoor grow rooms |
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Uplifted, Focused, Energetic |
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Indoor and outdoor (best in controlled indoor environments) |
About Lights On
Lights On is a sativa-dominant hybrid developed for growers who want energetic, focused highs paired with a crisp citrus-diesel flavour. It performs best in controlled environments where humidity and airflow are managed, producing medium to large yields and stable, resinous buds suitable for creative daytime use.
Lights On is a sativa-dominant hybrid that favours clear, cerebral effects. The genetic profile emphasises lift and focus rather than heavy physical sedation.
THC levels typically range from 18% to 22%, offering solid potency for experienced users. Novice users should approach with caution and start with small amounts.
CBD content is low, usually under 1%, so therapeutic CBD effects are minimal. The balance makes Lights On better suited to recreational use or targeted symptom relief rather than full-spectrum CBD therapy.
Lights On derives from a deliberate cross between two classic lines to maximise vigour and clarity. The lineage is NORTHERN LIGHTS x HAZE, selected for stable growth and pronounced cerebral effects.
Seeds for Lights On are offered as feminised stock to simplify canopy management and ensure female plants. Regular seeds are occasionally available for breeders who want to preserve parent genetics.
Growing Lights On in humid indoor grow rooms requires careful air circulation and dehumidification to avoid mould. It suits growers with some experience who can manage ventilation and environmental controls.
Flowering normally completes in 9 to 11 weeks under optimal conditions. Plants respond well to stable light schedules and steady nutrient feeds.
Yields are medium to high, with attentive indoor growers seeing around 400–500 g/m². Outdoor yields in a long season can be comparable but need protection from damp.
Plants grow to a medium-tall structure, developing long internodes and airy buds. Topping and training techniques help control height and increase light penetration.
Indoors, Lights On thrives when grown in controlled environments with good humidity control; many growers in Antrim prefer tents or sealed rooms. Outdoors it can do well in a sheltered spot, but in Antrim consistency of dry weather is rare so protection from rain is important.
In Antrim, humid indoor grow rooms provide the best opportunity to ripen buds without exposing plants to unpredictable outdoor weather. Growers in Antrim must control humidity, use dehumidifiers and ensure strong airflow to prevent mould in these enclosed spaces.
The high produces an uplifted, focused cerebral buzz that enhances creativity and alertness. Some users report a mild body tingle but generally remain functional and sociable.
The flavour combines bright citrus top notes with diesel and a subtle earthy base. A lingering zesty aftertaste balances the sharper fuel tones.
Frequently Asked Questions
Common questions about this strain, covering growth, effects, and suitability for UK conditions.
Keep relative humidity between 40% and 50% during flowering to limit mould risk while preserving trichome development.
Expect 9 to 11 weeks of flowering with stable conditions and consistent feeding.
Switch to a bloom-focused nutrient with higher phosphorus and potassium while slightly reducing nitrogen from week three of flowering.
Use continuous extraction, intake airflow and oscillating fans to maintain fresh air and keep humidity under control.
It can be grown outdoors but in northern locations you need a long, relatively dry season or reliable protection from rain to avoid bud rot.
Maintain airflow between colas, remove lower growth that shades bud sites and keep humidity down especially in late flowering.
Selective pruning and some defoliation improve light penetration and airflow, which is especially important in humid setups.
Dry slowly to 45%–55% RH then cure sealed jars with periodic burping for at least two weeks to preserve flavour and potency.
Spider mites and thrips are common; monitor regularly and use biological controls or targeted foliar treatments early to avoid infestations.
For northern climate cannabis growing, Lights On performs best in a controlled indoor environment where humidity and temperature can be stabilised rather than relying on an unreliable outdoor season.
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