
- Balanced power for cool, damp seasons
Head Doctor
Head Doctor is an indica-leaning hybrid bred for cool, wet seasons and steady, calming effects.
- Indica-leaning hybrid built for cool climates
- Stable flowering and medium-high yields with proper care
- Pine and citrus flavours with focused, calming effects
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18-22% |
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0.5-1% |
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Northern Lights x Haze |
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Indica-dominant hybrid |
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Intermediate |
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8-10 weeks |
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Medium (1-2 m outdoor) |
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Medium to high |
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Pine, Earthy, Citrus |
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Feminised |
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Cool, wet autumn harvest |
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Relaxed, Focused, Uplifted |
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Indoor and outdoor |
About Head Doctor
Head Doctor is an indica-dominant hybrid developed from Northern Lights x Haze to perform reliably in cooler climates. It produces medium-height plants with dense, resinous buds and a terpene profile of pine, earth and citrus; growers in regions with rainy autumns should prioritise airflow and mould prevention.
This is an indica-leaning hybrid bred for balanced, reliable buds. The plant shows compact colas and a stable flowering habit.
THC typically sits between 18 and 22 percent in tested samples. That level gives clear psychoactive effects without being overwhelmingly heavy.
CBD levels are low, generally under one percent. The low CBD means the profile leans towards recreational and mood effects rather than high-CBD therapy.
The lineage is Northern Lights x Haze selected for vigour and consistency. Breeders emphasised stable terpene expression and compact bud form.
Seeds are commonly available as feminised to simplify planning and avoid male plants. Autoflower versions exist but the photoperiod lines produce slightly larger yields.
Growing Head Doctor requires intermediate skill, mainly to manage humidity and mould during the rainy autumn harvest season. Careful ventilation and canopy control are essential to avoid rot.
Flowering indoors takes around eight to ten weeks. Outdoors expect a similar cycle with a late-autumn finish in cool regions.
Yields are medium to high when plants receive steady nutrients and good airflow. Outdoors in Tyrone plants can deliver respectable harvests when disease is kept in check.
Plants are medium in height with a sturdy central cola and productive side branches. The structure suits both tent systems and small outdoor plots.
Indoors Head Doctor responds well to SCROG and SOG techniques and develops tight bud structure in controlled environments in Tyrone. Outdoors it prefers a sheltered, sunny spot and benefits from rain protection in exposed sites in Tyrone.
Growing Head Doctor in Tyrone means preparing for a rainy autumn harvest season and prioritising mould prevention. Site choice, canopy management and timely protection from prolonged damp are crucial.
Effects begin with a clear, focused uplift that eases into a calming, body-aware relaxation. The experience is steady and rarely pulls users into heavy sedation.
Flavours are primarily earthy and pine with a bright citrus top note. A subtle spicy finish lingers on the exhale.
Frequently Asked Questions
Common questions about this strain, covering growth, effects, and suitability for UK conditions.
It is better suited to growers with some experience because humidity management and airflow control are important.
Ensure good airflow, remove dense fan leaves from the canopy, and consider a temporary cover or move to a dry space if prolonged rain is forecast.
Standard cannabis feeding regimes work well; reduce nitrogen in late flowering and maintain consistent phosphorus and potassium levels.
Aim to transplant after the last risk of hard spring frost and allow the plant to mature before the rainy autumn harvest period.
Yes, this variety is bred to perform in cooler conditions but it does need vigilant disease prevention as the season cools.
A greenhouse or polytunnel helps extend protection from rain and can significantly reduce mould risk in Tyrone.
Low-stress training and light defoliation work well to open the canopy and reduce wet pockets where mould can develop.
Curing for two to four weeks in a stable, cool, dark environment improves flavour and smoothness.
Head Doctor is comparable to the better cool climate cannabis strains in its resistance to cold and predictable finish, but it requires more attention to humidity than the hardiest varieties.
Yes, organic soil and slow-release amendments suit it well, but you must still manage airflow and moisture carefully.
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