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Hazelnut

Corylus avellana

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Common hazel is a vigorous shrub or small tree producing clusters of small, round nuts enclosed in a leafy husk. These deciduous plants are hardy, adaptable to various soils, and attract wildlife while providing ornamental catkins in early spring. Hazelnuts require cross-pollination with a compatible variety for good nut production.

Hazelnut

Common Problems

Select the problem your Hazelnut is experiencing to get a treatment guide.

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Slow Growthchevron_right
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Brown Spotschevron_right
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Dropping Leaveschevron_right
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Underwateringchevron_right

Care Guide

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Light
Full sun to partial shade; prefers at least 4–6 hours of direct sunlight daily for best fruiting
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Water
Moderate; consistent moisture during growing season. Established plants are fairly drought-tolerant; reduce watering in winter
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Soil
Well-draining, fertile soil; tolerates pH 5.5–7.5. Adaptable to various soil types but prefers slightly moist, humus-rich conditions
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Fertiliser
Light feeding in spring with balanced fertilizer. Mulch annually to maintain soil fertility and moisture
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Temperature
Hardy temperate climate; requires winter chilling for flowering. Prefers moderate temperatures; very hot, dry summers reduce production
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Humidity
Moderate; prefers slightly moist conditions but tolerates drier sites once established

Toxicity

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Hazelnuts are edible and non-toxic to all populations. The nuts are safe for consumption when ripe and fully dried

Common Diseases

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Common Pests

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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.