Leyland Cypress
× Cuprocyparis leylandii
treeA vigorous, fast-growing hybrid evergreen conifer known for its columnar form and feathery, gray-green foliage, making it popular for windbreaks and privacy screens. A cross between Monterey Cypress and Nootka Cypress, it grows rapidly to 60+ feet and establishes quickly. However, it is susceptible to disease in unfavorable conditions and can become invasive in some regions.
Common Problems
Select the problem your Leyland Cypress is experiencing to get a treatment guide.
Care Guide
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Light
Full sun; requires 6+ hours of direct sunlight daily for best form and density.
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Water
Moderate, consistent moisture; water regularly during establishment and dry periods. Well-established trees are moderately drought-tolerant but prefer evenly moist soil.
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Soil
Well-draining soil essential; tolerates poor, sandy, or loamy soils. Avoid heavy clay or waterlogged conditions which increase disease risk.
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Fertiliser
Minimal fertilization; apply balanced fertilizer lightly in spring if soil is poor. Avoid excess nitrogen.
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Temperature
Prefers cool to mild climates; hardy in moderate zones. Stress from heat or extreme cold increases disease susceptibility.
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Humidity
Moderate humidity preferred; very high humidity or poor air circulation increases susceptibility to fungal diseases like canker.
Toxicity
check_circleSafe for Catscheck_circleSafe for Dogscheck_circleSafe for Children
Non-toxic; no poisonous compounds.
Common Diseases
Common Pests
Seasonal Care
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Resume regular watering and feeding as growth picks up.
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Peak growing season. Water and feed regularly.
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Reduce watering as growth slows. Stop heavy feeding.
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Minimal watering and feeding. Protect from frost if needed.