
- Balanced potency, resilient structure, clear citrus notes.
Sun Rock
Sun Rock is an indica-dominant hybrid bred for resin, steady yields and a citrus‑pine flavour.
- Dense, resinous buds with bright citrus notes.
- Reliable indoor yields under controlled conditions.
- Performs well in cooler UK summers with sheltering.
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18-22% |
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0.5-1.5% |
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Sunset Haze x Rockbud |
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Indica-dominant hybrid |
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Intermediate |
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8-10 weeks |
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Medium (0.8–1.5 m indoors) |
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Medium-high (approx. 400-500 g/m² indoor) |
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Citrus pine, Earthy spice, Sweet diesel |
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Feminized |
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cool northern summers |
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Relaxed, Uplifted focus, Calm euphoria |
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Indoor and outdoor |
About Sun Rock
Sun Rock combines compact, resinous structure with approachable potency and a clean citrus-pine aroma. It suits intermediate growers seeking reliable indoor performance and outdoor resilience in cooler climates.
Sun Rock is an indica-dominant hybrid with a sturdy, resinous structure. It leans toward calming cannabinoids while maintaining a clear-headed lift.
THC levels typically sit between 18 and 22 percent. That potency offers a noticeable effect without pushing most users into heavy sedation.
CBD content is low to moderate and generally under two percent. The balance supports recreational use while providing mild therapeutic benefits.
Sun Rock descends from Sunset Haze x Rockbud, combining aromatic sativa notes with compact indica form. The lineage emphasises resin production and stable growth patterns.
Seeds are provided as feminized to simplify planning for flowering females. They show reliable germination and consistent phenotype traits.
Growing Sun Rock suits growers with some experience because it responds to training and precise nutrient timing. In cool northern summers you should allow a longer ripening window and guard against damp.
Flowering usually completes in eight to ten weeks. Buds tend to bulk up significantly in the final two weeks.
Yields are medium to high when plants receive attentive care. Indoor setups can average around 400–500 g/m² under good conditions.
Plants present a compact to medium structure with sturdy side branching. Expect roughly 0.8–1.5 metres indoors depending on training.
Sun Rock performs well both indoors and outdoors with sensible planning. In Oxfordshire outdoor crops need shelter from persistent rain and may finish a little later than indoor plants.
Sun Rock tolerates cooler, maritime climates and copes with the chill found in cool northern summers. In Oxfordshire give plants shelter during prolonged wet periods and aim to finish under clear autumn conditions.
Initial effects bring a gentle cerebral lift that settles into body relaxation. The balance works for daytime unwinding and evening calming.
Flavour opens with bright citrus and pine and finishes on earthy spice with a sweet diesel tail. The profile lingers pleasantly on the exhale.
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 for flowering; increase light intensity gradually during bud swell.
A balanced NPK feed in veg, with reduced nitrogen and higher phosphorus and potassium through flowering, plus regular microelements.
Design a room with good airflow, reflective walls, an adjustable LED or HPS fixture, extraction and intake ventilation, and environmental controls for temperature and humidity.
Yes, dense buds can trap moisture, so control humidity and ensure airflow, especially during late flowering in humid conditions.
Low-stress training combined with selective topping and SCROG gives even canopy and better bud development.
Monitor trichomes for mostly cloudy with some amber and check pistil darkening; harvest when the desired potency and effect profile are reached.
Both work, but soil is more forgiving for intermediate growers and buffers feeding mistakes better than hydro.
Hang to dry at 18–21°C and 50–60% RH until stems snap, then cure in jars at controlled humidity for several weeks to improve flavour and smoothness.
Cultivation remains illegal without licence in the UK; always check the latest laws and proceed with awareness of legal consequences.
Stored cool and dry in the dark, feminized seeds can stay viable for several years, though germination may decline slowly over time.
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