Hazel/Cobnut Corylus avellana


Hazel/Cobnut Corylus avellana © Ita McCobb

Hazel/Cobnut Latin name


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Corylus Common name


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Hazel/Cobnut Plant family

Corylus (Corylaceae) – varieties of deciduous trees and shrubs, grown for their compact form, catkins and often edible nuts.

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Hazel/Cobnut Description

Category: Shrubs or trees

Form: Most are vigorous and open – Corylus avellana ‘Contorta’ has unusual twisting ornamental branches

Type: Deciduous

Height: Trees to 20 metres bushes to 6 metres

Spread: Trees to 7 metres bushes to 5 metres

Leaves: Generally oval, sharply toothed leaves colour depends on variety but can range from purple to light green

Flowers/berries: Clusters of brown nuts in Autumn and masses of hanging yellow catkins in late Winter on bare branches

Normally grown for: Compact form, catkins and edible nuts

Notes: Vulnerable to mildew and insects attacking nuts

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Hazel/Cobnut Planting preferences

Hardiness: Fully hardy

Soil type: Needs fertile well-drained soil

Planting situation: Full sun

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Hazel/Cobnut Uses

Cuttings – Especially for their attractive hanging catkins

Food – Often included in recipe ingredients

Fruit – Edible nuts



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