
- Cleo — reliable hybrid performance for humid greenhouses
Cleo
Cleo is a dependable hybrid suited to humid greenhouse conditions and performs well in Fermanagh with attentive environmental control.
- Balanced hybrid for damp climates
- Reliable resin and aroma
- Designed for greenhouse growers
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18-22% |
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≤1% |
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CLEO OG x NORTHERN LIGHTS |
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Hybrid |
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Intermediate |
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8-10 weeks |
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Medium (0.8-1.5 m) |
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Above average |
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Citrus, Earthy pine, Sweet spice |
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Feminised |
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humid greenhouse conditions |
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Uplifted, Relaxed, Focused |
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Both |
About Cleo
Cleo is a robust hybrid bred for balanced effects and practical growing in cooler, damper microclimates. It combines CLEO OG x NORTHERN LIGHTS parentage to deliver resinous buds, moderate to high THC and a citrus-pine flavour. Growers in Fermanagh will find it responds well to greenhouse protection and good airflow, and it rewards attentive mould prevention with consistent yields. The plant stays medium in height, flowers in eight to ten weeks, and is best cultivated by those familiar with humidity management.
Cleo is a balanced hybrid that leans slightly sativa. It delivers a blend of stimulating mental clarity and comforting physical calm.
THC levels sit in the moderate to high range, typically around 18–22%. That potency gives a pronounced effect without overwhelming the inexperienced user.
CBD is low, commonly below 1%. Therapeutic effects are therefore primarily driven by THC and minor cannabinoids.
Cleo descends from CLEO OG x NORTHERN LIGHTS, giving it a reliable hybrid structure. The parentage contributes to resin production and steady vigour.
Seeds are supplied as feminised lines to simplify production planning. Germination rates are typically consistent with standard nursery practice.
Cleo is best suited to growers with some experience of humidity control. In humid greenhouse conditions it requires vigilant airflow and mould prevention to perform well.
Flowering normally completes in eight to ten weeks under stable conditions. Some phenotypes may need an extra week when allowed to bulk up.
Yield potential is above average for a compact hybrid. Good canopy management and support can further increase bud weight.
Plants maintain a medium stature with dense lateral branching. They are manageable in both pots and ground beds without excessive stretching.
Indoors Cleo does well in a controlled tent with steady environmental management. Outdoors in Fermanagh it benefits from greenhouse protection or a sheltered, sunny aspect to avoid prolonged damp.
Growing Cleo in Fermanagh requires attention to persistent moisture and airflow when using humid greenhouse conditions. Provision for dehumidification, extraction and frequent disease checks is essential to protect developing buds.
Effects start with a clear, uplifting cerebral note that eases into a calm, focused body relaxation. At higher doses the sedative element becomes more pronounced.
The flavour profile mixes bright citrus top notes with earthy pine and a subtle sweet spice. A clean herbal aftertaste remains on the exhale.
Frequently Asked Questions
Common questions about this strain, covering growth, effects, and suitability for UK conditions.
Cleo is best for growers with basic experience because humidity control is important; beginners can succeed with careful preparation and monitoring.
Maintain good airflow, use oscillating fans, install extraction and dehumidification where necessary, and remove any diseased foliage promptly.
Start with a mild vegetative feed, increase nutrients slightly during flowering, and avoid excessive nitrogen late in bloom to reduce mould risk.
Monitor trichome development and harvest when most trichomes are cloudy with some amber for balanced effect and optimal potency.
Cleo tolerates mild temperature swings but benefits from greenhouse heating or insulation during prolonged cold snaps to keep development steady.
Keep an eye out for spider mites, thrips and fungus gnats and use integrated pest management with biological controls and regular hygiene checks.
Cleo is moderately hungry compared with pure indicas; it responds well to balanced nutrients and occasional PK boosts in late flowering.
Reduce watering frequency, increase extraction, use dehumidifiers if available and space the canopy to improve internal airflow to lower relative humidity.
Yes, Cleo can be grown outdoors but in Fermanagh it performs best with greenhouse protection or a very well-draining, sunny site to avoid persistent damp.
Cure for at least two to four weeks in sealed jars with regular burping to improve aroma, smoothness and long-term stability.
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