
- Dense, truffly buds built for glass and careful growers.
Truffle Slap
Truffle Slap is an indica-dominant hybrid known for earthy truffle notes and dense resin.
- Thick resin and earthy truffle terpene signature.
- Performs strongly under glass with careful humidity control.
- Balanced night-time relaxation with a short creative lift.
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18-22% |
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0.5-1% |
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Black Truffle x Slap OG |
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Indica-dominant hybrid |
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Intermediate |
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8-10 weeks |
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Medium |
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Medium-high |
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Earthy truffle, Citrus, Peppery spice |
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Feminised |
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Damp coastal |
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Relaxed, Uplifted, Creative |
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Greenhouse / Outdoor |
About Truffle Slap
Truffle Slap is an indica-dominant hybrid bred for rich trichome coverage and a distinct earthy-citrus terpene profile. Suited to greenhouse cannabis cultivation, it rewards controlled environments where humidity and airflow are managed closely to avoid mould in damp coastal regions.
Truffle Slap is an indica-dominant hybrid with a thick resin coat. It generally favours calming effects over full sedation.
THC levels usually sit between 18% and 22% in well-expressed phenotypes. This gives a pronounced psychoactive effect that remains manageable for experienced users.
CBD content is low, typically under 1% and not the primary trait. The strain is selected for terpene and THC expression rather than CBD balance.
The lineage is Black Truffle x Slap OG, combining dense trichome production with pungent terpenes. The cross produces stable growth and distinct earthy-savoury phenotypes.
Seeds are offered as feminised to simplify cultivation and avoid male plants. Breeders may retain regulars for selection work and phenotype hunting.
Growing Truffle Slap in a damp coastal climate increases the risk of mould and requires close attention to airflow. It suits intermediate growers who can manage humidity and preventive care.
Flowering generally completes in eight to ten weeks depending on phenotype and feeding. Some plants show heavier trichome development in the final two weeks.
Yields are medium to high when plants receive consistent light and nutrients. Under glass with good canopy control the strain can produce competitive harvests.
Plants reach a medium height with robust, well-branched structure. The architecture suits scrog and low-stress training to maximise bud sites.
In Lisburn Truffle Slap thrives under glass when humidity is tightly regulated. Outdoors around Lisburn it performs well in sheltered spots but needs monitoring for damp and wind.
Growing Truffle Slap in Lisburn's damp coastal climate requires strict moisture control and fast air exchange. Place greenhouse vents to counter sea-borne humidity and check plants regularly for mould.
The high is predominantly relaxing with a clear body focus for evening use. A brief cerebral uplift can appear first, offering short creative spikes before the body settles.
The flavour profile mixes deep earthy truffle notes with bright citrus overtones. A persistent peppery spice remains on the finish.
Frequently Asked Questions
Common questions about this strain, covering growth, effects, and suitability for UK conditions.
Target 40–50% relative humidity in flowering to limit mould risk while preserving terpene quality.
Provide a consistent 12/12 schedule in flowering with strong PAR output; aim for 600–900 µmol/m²/s at canopy for best bud density.
Harvest when trichomes are mostly cloudy with some ambers for a balanced effect; heavier ambers increase sedative qualities.
Use cross-ventilation, dehumidifiers, and keep canopy gaps to improve airflow; remove infected material promptly to prevent spread.
Shelter plants from direct wind or use windbreaks; the plant is sturdy but prolonged salt-laden gusts will stress foliage.
Reduce nitrogen and increase phosphorus and potassium in the final weeks to support bud development and resin production.
Yes; selective defoliation and pruning open the canopy to air and light, which reduces mould risk and improves bud formation.
In greenhouse cannabis cultivation manage humidity with automated vents, fans and timed dehumidification, and monitor microclimates around the canopy.
Silica can strengthen stems and improve stress resistance, especially useful when training and supporting heavy colas.
CO2 helps only if you can maintain high light intensity and stable climate; for most small greenhouse grows it's not essential.
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