
- Pungent, powerful and resin-rich.
Gorilla Glue #4
Gorilla Glue #4 is a potent, resin-heavy hybrid known for strong THC levels and dense, sticky buds.
- Heavy resin and top-shelf potency
- Reliable yields with proper training
- Performs well in protected, ventilated greenhouses
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25-28% |
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≤1% |
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Chem's Sister x Sour Dubb |
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Hybrid |
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Moderate |
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8-9 weeks |
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Medium to tall (100–200 cm) |
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High (up to 500–600 g/m² indoor; large outdoor plants possible) |
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Earthy, Pine, Chocolate |
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Feminised photoperiod |
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Humid greenhouse |
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Euphoric, Relaxed, Sleepy |
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Both |
About Gorilla Glue #4
Gorilla Glue #4 is a high-resin hybrid bred for potency and thick, resinous flowers. The strain delivers fast-acting euphoria that transitions into deep physical relaxation and suits experienced users seeking strong effects.
Gorilla Glue #4 is a balanced hybrid with slightly indica-dominant traits. It combines heavy resin production with a compact bud structure.
THC levels typically range from 25–28%, placing this strain among the more potent varieties. Expect strong psychoactive effects that require cautious dosing for inexperienced users.
CBD content is very low, generally below 1%, so therapeutic benefits rely mainly on THC and terpenes. Patients seeking high-CBD profiles should consider other strains.
The lineage traces back to Chem's Sister x Sour Dubb, which contributes to the heavy resin and potent effects. The genetics also carry diesel and chocolate notes from the parent stock.
Seeds are commonly sold as feminised photoperiod varieties to ensure predictable flowering and female plants. Clones are widely used by growers who prefer guaranteed phenotype and faster cropping.
Growing Gorilla Glue #4 in humid greenhouse conditions demands active mould prevention and careful ventilation. The plant is otherwise robust but benefits from experienced canopy management and dehumidification.
Flowering normally finishes in 8–9 weeks under controlled light cycles. Outdoor growers can expect a harvest around early to mid October in the UK.
Yield potential is high with proper feeding and pest control, producing dense, resinous buds. In a greenhouse in Carmarthenshire, individual plants can deliver substantial harvests when trained well.
Plants tend to reach a medium to tall stature with sturdy main colas. Branching is vigorous, and training methods like SCROG work well to control height.
Indoors, Gorilla Glue #4 responds well to controlled environments and yields heavily when trained. Outdoors in Carmarthenshire the strain can mature into tall, resin-coated plants and benefit from sheltering from persistent rain.
In Carmarthenshire, humid greenhouse conditions require strict humidity control and airflow to prevent bud rot. Maintain 40–50% relative humidity during flowering and provide frequent air exchange to protect floral integrity.
The high THC content delivers a fast-onset cerebral uplift followed by deep physical relaxation. Users often report a clear-headed euphoria that shifts into couch-lock at higher doses.
The flavour profile mixes earthy pine with chocolate and diesel undertones. Smoke is rich and slightly sweet on exhale.
Frequently Asked Questions
Common questions about this strain, covering growth, effects, and suitability for UK conditions.
Harvest when most trichomes are milky with some amber; in the UK this is usually early to mid October for outdoor or greenhouse grows.
Use dehumidifiers, increase ventilation, remove dense lower growth, and keep RH at 40–50% during flowering to minimise bud rot.
Yes, feminised photoperiod seeds are common and simplify planning by reducing the chance of male plants.
Yes, it responds well to organic soils and compost teas but needs careful nutrient management to support heavy resin production.
A balanced N-P-K feed in veg followed by lower nitrogen and higher phosphorus and potassium in flowering supports dense, resinous buds.
Expect most of the stretch in the first three weeks of flowering, then plants focus on bud development for the remaining weeks.
Yes, but outdoor cannabis cultivation in the UK benefits from a greenhouse or polytunnel to protect from prolonged rain and reduce mould risk.
Keep an eye out for spider mites and aphids; regular inspection and biological controls or gentle insecticidal soaps work well.
Many growers flush with plain water for 7–14 days to improve smoke quality, though opinions vary depending on feeding regimen.
Dry slowly for about 7–10 days and then cure in jars for at least two weeks, with burping daily at first to build smooth flavour and potency.
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