
- Dependable hybrid for controlled grows and sheltered outdoor sites
Jeff
Jeff is a balanced hybrid that performs well in controlled indoor rooms and sheltered outdoor spots.
- Balanced daytime energy with evening ease
- Performs well in compact grow spaces
- Stable genetics for consistent results
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18-22% |
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0.5-1% |
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Northern Light x Skunk |
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Hybrid |
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Moderate |
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8-10 weeks |
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Medium (80-140 cm indoors) |
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400-500 g/m2 (indoor), variable outdoors |
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Citrus, Pine, Earthy |
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Feminised |
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cool northern summers |
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Uplifting, Focused, Gentle relaxation |
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Suitable for both; prefers controlled indoor conditions in cool climates |
About Jeff
Jeff is a reliable hybrid selected for balance between uplifting cerebral effects and gentle physical relaxation. In Durham and similar cool northern summers it benefits from controlled indoor environments or careful outdoor siting to avoid damp and late rain.
Jeff is a balanced hybrid leaning slightly to sativa. It shows energetic daytime effects suitable for diverse uses.
Jeff typically tests around 18–22% THC. It delivers noticeable psychoactivity without being overpowering for experienced users.
Jeff has low CBD levels around 0.5–1%. This makes it best suited for recreational use or symptomatic relief rather than high‑CBD therapy.
Jeff descends from a Northern Light x Skunk cross that was selected for balance. Breeders stabilised the line over several generations to retain consistent effects and structure.
Seeds available are Feminised to simplify cultivation for small‑scale growers. A few breeders also offer regular seeds for breeding projects.
Growing Jeff requires moderate skill, as it benefits from careful feeding and humidity control. It handles cool northern summers but needs protection from prolonged damp and cold spells.
Indoor flowering completes in about 8–10 weeks under a controlled 12/12 cycle. Outdoors the finish is typically mid to late September in the north.
Indoor yields are moderate, typically 400–500 g/m2 with well-trained plants. Outdoor plants can produce similar totals in a long, dry summer but are more variable.
Jeff grows to a medium height with a central cola and sturdy side branches. Plants usually reach 80–140 cm indoors when trained and can be taller outdoors.
Indoors, Jeff thrives in a compact grow room where light and air circulation are controlled; growers in Durham often prefer Sea of Green or Screen of Green techniques. Outdoors in Durham the plant benefits from a sunny, sheltered spot but needs protection from late‑season rain.
In Durham, cool northern summers mean growers should finish plants early or use simple covers to avoid wet weather. Providing a warm, dry microclimate and careful feed schedules improves bud ripening in cool northern summers.
The high brings a clear uplift that increases focus and sociability. Later it eases into a gentle physical relaxation without heavy sedation.
Flavours lean citrus and fresh pine with a faint earthy backbone. Terpenes produce a clean, zesty smoke that many find refreshing.
Frequently Asked Questions
Common questions about this strain, covering growth, effects, and suitability for UK conditions.
Use 18/6 for veg and switch to 12/12 to induce flowering; maintain consistent schedules for stable growth.
A balanced NPK base with slightly higher phosphorus in early bloom gives dense buds without excess stretch.
Keep good airflow, control humidity below 50% in late flowering and remove any stale air pockets around colas.
Plan for mid to late September and monitor trichomes to avoid harvesting too early in wet conditions.
Yes, Jeff suits small tents if you train the plants and manage vertical space with topping and LST.
Aphids and botrytis are common; inspect regularly and use biological controls or targeted treatments early.
A short flush of 7–10 days is typical to improve taste while avoiding nutrient deprivation stress.
Dry slowly at 16–20°C and 45–55% RH for 7–14 days to preserve terpenes and avoid mould.
It tolerates cool nights but prolonged temperatures below 10°C can stall ripening and increase mould risk.
Look for guides that cover ventilation, extraction, light intensity and humidity control specific to small rooms; many community forums and grow journals include practical room layouts and parts lists.
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