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A picture of a Hazel


Corylus avellana

Also known as

Cobnut, Hazelnut, Stock Nut, Wood Nut, Common Filbert, European Hazelnut, Hale Nut, Barcelona-Nuts, European Filbert, Common Hazel, Filbert, Giant Filbert, Corkscrew hazel

Photo by CandideUK (All rights reserved)

Full Sun
Moderate care
Moderate watering
Frost Hardy


RHS hardiness


Minimum temperature

Expected size









  • spring
  • summer
  • autumn
  • winter

Unripe hazelnuts are green. As the nuts mature, they turn brown and fall from the tree. This occurs annually in mid-autumn. Pick up the fallen hazelnuts.

More images of Hazel

A photo of Hazel
A photo of Hazel
A photo of Hazel

Hazel Overview

Hazelnuts are deciduous trees or shrubs, depending on how they are pruned. They produce delicious, rich nuts which fall from the tree in mid-autumn. This coincides with their leaves turning beautiful red and gold colours. The male flowers also add an interesting ornamental feature, as their dangling pale yellow catkins are a pretty, but unusual flower. Hazels are a host plant for the truffle - an expensive to purchase and rich-tasting mushroom.

Common problems with Hazel

Aphids, Oak root fungus, bacterial blight, bacterial canker, Hazelnut mosaic virus, nut weevil, powdery mildew, squirrels.

How to propagate Hazel


Possible to propagate by root cuttings but the success rate is low.


Tip layering - bend shoots into a V-shape and bury the lower parts in soil 20-25 cm deep, while the tips of the shoot are kept upright. Keep soil moist to promote root development at the V bend.


By detaching suckers.

Special features of Hazel

Autumn colour

Leaves turn red and gold.

Hedge plant

Can be grown as a shrub and shaped into a hedge screen.

Attractive flowers

Yellow (male) and red stamens visible from small flowers (female).

Other uses of Hazel



The kernel of the seed is edible, raw, roasted or in paste form. The kernels can be processed to produce praline or as an ingredient in confectionery and baked goods.

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