A picture of a Hazel

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

Full Sun
Moderate care
Moderate watering
Frost Hardy

H6

RHS hardiness

-20°C

Minimum temperature

Expected size

Height
Spread

15m

Max

5m

2m

Min

3m

Fruiting

  • 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.

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A photo of Hazel
A photo 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

Cuttings

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

Layering

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.

Suckers

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

Culinary

Edible

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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