Holm Oak
Quercus ilex
treeA large, slow-growing evergreen oak with dark glossy leaves that resemble holly leaves when young. This Mediterranean native is extremely drought-tolerant once established and provides excellent shelter and screening. It develops a dense, rounded canopy and is long-lived, often reaching 100+ years.
Common Problems
Select the problem your Holm Oak is experiencing to get a treatment guide.
Care Guide
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Light
Full sun preferred; tolerates partial shade but growth may be slower
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Water
Low water once established; drought-tolerant; water during establishment period
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Soil
Well-draining soil; tolerates poor, stony, and chalk soils; avoid waterlogged conditions
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Fertiliser
Minimal fertilizer needed; established trees require no feeding
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Temperature
Prefers warm climates; moderately hardy in cooler regions once mature
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Humidity
Low to moderate humidity; very drought-tolerant
Toxicity
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Non-toxic; acorns are safe though not palatable
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.