
- Citrus clarity for productive days
Grapefruit
Grapefruit is a sativa-dominant hybrid known for citrus aroma and an uplifting, focused high.
- Bright grapefruit aroma with a clear, focused high
- Easy to train and rewarding in mild climates
- Moderate THC with reliable daytime effects
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15-20% |
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Low (around 0.1-0.5%) |
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Grapefruit x Skunk |
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Sativa-dominant hybrid |
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Easy to moderate |
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8-10 weeks |
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Medium, 1-2 m outdoors |
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Moderate to high |
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Citrus, Grapefruit, Sweet |
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Feminised |
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Mild southern growing climate |
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Uplifting, Energetic, Relaxed |
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Indoor and outdoor |
About Grapefruit
Grapefruit is a citrus-forward sativa-dominant hybrid that combines floral, sweet and sharp grapefruit notes with a clear, energetic head high. It originates from citrus and skunk lines (Grapefruit x Skunk) and suits growers seeking a daytime strain with moderate THC and low CBD. Plants grow to a medium height with vigorous branching and respond well to training; yields are moderate to high under steady light and feed. Medicinally it helps with stress, low mood and appetite stimulation. In Dundee and similar temperate areas it performs well outdoors when given shelter from heavy rain and indoors in controlled environments where humidity is managed.
Grapefruit is a sativa-dominant hybrid with bright citrus genetics. It leans toward an energetic, daytime effect.
THC levels typically sit between 15 and 20 percent, offering a clear uplift without overwhelming intensity. Individual plants can vary, so start with a small dose until you know your tolerance.
CBD is low, usually under 0.5 percent, so therapeutic effects are mainly driven by THC and terpenes. Those needing high-CBD relief should consider pairing with a CBD-rich strain.
Grapefruit traces back to citrus-forward parents crossed with skunk derivatives. The official lineage is Grapefruit x Skunk, which shapes its terpene profile.
Seeds are commonly available as feminised to guarantee bud-bearing females. Regular and autoflower variants exist for growers who prefer different life cycles.
This strain grows with easy to moderate difficulty and suits growers with some basic experience. It performs well in a mild southern growing climate but benefits from careful humidity and airflow control.
Flowering generally completes in eight to ten weeks under stable conditions. Outdoors this typically means a late September to early October harvest in temperate seasons.
Yield is moderate to high when plants receive steady nutrients and sufficient light. Outdoor specimens in good sun can be particularly productive.
Plants typically reach a medium height of around one to two metres outdoors. They produce long colas and respond well to topping and canopy training.
Indoors in Dundee this strain responds well to controlled feeding and training. Outdoors in Dundee it benefits from long light hours and shelter from heavy rain.
In Dundee the plant thrives when seasons are mild and frost-free. In the city's mild southern growing climate it rewards careful humidity control and shelter from prolonged wet weather.
Effects begin with a bright, uplifting head high that sharpens focus. A gentle body relaxation follows, making it suitable for social or creative tasks.
The flavour is dominated by fresh grapefruit and lemon with a sweet, sugary base. Herbal and skunk undertones appear on the exhale.
Frequently Asked Questions
Common questions about this strain, covering growth, effects, and suitability for UK conditions.
Harvest when most trichomes are cloudy with 10-30% amber and pistils have darkened and curled; this usually falls in the eighth to tenth week of flowering.
Keep days around 20-26°C and nights 15-18°C; aim for 40-50% relative humidity in flower and a bit higher during vegetative growth.
Improve airflow, remove dense inner foliage, and keep humidity lower during flowering; act fast on any signs of grey mould.
Yes, provided you give plants shelter from heavy rain and position them where they get maximum sun while avoiding frost-prone spots.
It is forgiving compared with some varieties but beginners should still monitor humidity and nutrient levels closely.
Feed moderately; reduce nitrogen at the switch to flower and increase phosphorus and potassium through bloom to support bud formation.
Low-stress training, topping after 4-6 nodes and SCROG can even out the canopy and improve yields.
Dry for 7-10 days in a dark, ventilated space until stems snap, then cure in jars for at least 2-4 weeks to develop flavour.
Watch for aphids, spider mites and thrips; use biological controls, insecticidal soaps or neem oil and introduce predators where possible.
For humid climate cannabis growing use dehumidifiers in tents, keep air moving, prune lower growth and aim to finish outdoor crops before the wettest autumn weeks.
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