
- Blueberry flavour with dependable greenhouse performance
Blueberry Yum Yum
Blueberry Yum Yum is an indica-dominant hybrid with pronounced blueberry notes and a reliable, compact structure.
- Sweet blueberry aroma with stable, compact growth
- Reliable yields when humidity is controlled
- Well-suited to greenhouse environments in southern UK
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18-22% |
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0.5-1% |
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Blueberry x Yum Yum |
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Indica-dominant hybrid |
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Intermediate |
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8-9 weeks |
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Medium; typically 0.8-1.5 m |
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Moderate (350-450 g/m² indoor; 400-600 g/plant outdoor in optimal conditions) |
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Blueberry, Sweet candy, Earthy |
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Feminised |
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Moist Western Coastal Climate |
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Relaxed, Euphoric, Sedative |
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Suitable for greenhouse and indoor; performs outdoors in sheltered, southern sites |
About Blueberry Yum Yum
Blueberry Yum Yum is an indica-dominant hybrid that produces dense, resinous buds with a strong blueberry and sweet profile. It is suited to greenhouse or controlled indoor grows and performs well in sheltered outdoor sites when humidity is managed.
Blueberry Yum Yum is an indica-dominant hybrid known for compact, resinous buds. It favours relaxation and body effects over energetic stimulation.
THC typically sits between 18% and 22% providing noticeable potency without extreme spikes. Phenotype variation can push some plants slightly higher under optimal conditions.
CBD content is low, usually around 0.5% to 1%. This strain is not intended for high-CBD therapeutic regimens but may contribute to entourage effects.
Genetics trace to Blueberry x Yum Yum parentage, combining pronounced berry terpenes with compact growth. Breeders stabilised aroma and bud density for consistent greenhouse performance.
Seeds are typically offered as Feminised to ensure a higher ratio of flowering females. Regular seeds are available for breeders but Feminised options suit most growers.
This cultivar is intermediate to grow and responds well to topping and low-stress training in a moist western coastal climate. Growers must monitor humidity and ventilation closely to avoid mould issues.
Flowering finishes in eight to nine weeks under attentive care. Outdoor crops in Surrey typically reach harvest in late September to early October.
Yields are moderate with dense, resinous buds when humidity is controlled. In my Surrey greenhouse I achieve consistent results by prioritising airflow and drying space.
Plants remain medium in stature with a strong central cola and productive side branches. Expect final heights around 0.8 to 1.5 metres depending on training and pot size.
Blueberry Yum Yum suits greenhouse and indoor setups and benefits from controlled feeding and light schedules. In Surrey a sheltered greenhouse balances protection from frequent rain with access to natural light.
Growing Blueberry Yum Yum in Surrey requires diligence because the moist western coastal climate increases mould risk. A well-ventilated greenhouse with dehumidification provides the best chance of a clean crop in Surrey.
The effect begins with a mild cerebral lift that settles into a heavy relaxation across the body. Many users describe a sedative finish that helps with sleep at higher doses.
The flavour profile is dominated by ripe blueberry and sugary notes. Subtle earthy and herbal tones appear on the exhale to add complexity.
Frequently Asked Questions
Common questions about this strain, covering growth, effects, and suitability for UK conditions.
A loam-rich compost with good drainage and added perlite performs well; aim for a pH of 6.0-6.5 and add worm castings for biology.
Use extractor fans, oscillating circulation fans and a dehumidifier; target 40-50% RH during late flowering to reduce botrytis risk.
Harvest when most trichomes are cloudy with around 10-25% amber; in southern UK locations this typically falls in late September or early October.
It is better suited to growers with some experience due to humidity sensitivity, though a beginner can succeed in a greenhouse with careful environmental control.
Yes, in sheltered southern sites like parts of Surrey it can do well, but a greenhouse reduces weather and pest stress in the moist western coastal climate.
Use a balanced NPK feed, reduce nitrogen at flip and increase phosphorus and potassium in flowering while supplementing calcium and magnesium as needed.
Maintain steady airflow, keep RH low in late flowering, remove large fan leaves to improve penetration and harvest promptly when mature.
Yes, topping and LST improve canopy light distribution and bud development; heavy SOG is less ideal because of bud density and mould risk.
Aphids, spider mites and fungal spores are common; inspect plants regularly and use integrated pest management with biological controls where possible.
Look for UK-focused grow guides, local horticultural groups and online forums geared to UK greenhouse cannabis growing, and consult growers in Surrey for climate-specific advice.
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