Alphabetical Plant Listing

Corylus avellana (European Hazelnut)

Hazel, Cobnut, Common Filbert, European Hazelnut, Hale Nut, Hazelnut, Stock Nut, Wood Nut


Corylus avellana (European Hazelnut) is a large, spreading deciduous shrub or small tree of upright habit with a rounded head. The foliage of rounded, doubly serrate, medium green leaves, 4 in. long (10 cm), turns yellow in fall. In late winter and early spring, long, pendant, pale yellow male catkins dangle like Christmas decorations along the bare branches. The catkins release clouds of pollen that attract bees and other insects. Inconspicuous female flowers in the form of tiny red tassels bloom just above the male catkins. They are followed by terminal clusters of edible brown nuts enclosed in leafy, hairy, green husks. They ripen in late summer and early fall. Squirrels and field mice feast on them. Corylus avellana is grown commercially for its nuts. It has been coppiced to produce flexible lengths for woven fencing or baskets. This thicket-forming, multi-trunked, suckering shrub or tree is effective in naturalistic areas, group plantings, shrub borders or woodland margins.

  • Grows up to 12-20 ft. high (3-6 m) and 12-15 ft. wide (3-5 m). Prompt removal of root suckers will help maintain plant appearance, and prevent thicket formation.
  • Performs best in full sun to part shade, in organically rich, moist, well-drained soils. Avoid heavy clays.
  • Great choice for hedges or screens, cottage gardens, wildlife gardens or prairies and meadows.
  • Prune in late winter or early spring before the leaves begin to appear on the stems.
  • Propagate by seed or layer.
  • Generally disease free. Watch for caterpillars, gall mites, aphids and sawflies.
  • Check where this species is invasive in the United States.
  • Native to Europe, western Asia and northern Africa

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Requirements

Hardiness 4 – 8
Heat Zones 1 – 8
Climate Zones 2, 2A, 2B, 3, 3A, 3B, 4, 5, 6, 7, 8, 9, 14, 15, 16, 17, 18, 19, 20
Plant Type Shrubs, Trees
Exposure Full Sun, Partial Sun
Season of Interest Spring (Early,Mid,Late)
Summer (Early,Mid,Late)
Fall
Winter
Height 12' – 20' (3.6m – 6m)
Spread 8' – 15' (240cm – 4.5m)
Spacing 240" (600cm)
Water Needs Average
Maintenance Low
Soil Type Chalk, Loam, Sand
Soil pH Alkaline, Neutral
Soil Drainage Moist but Well-Drained, Well-Drained
Characteristics Showy, Fruit & Berries
Attracts Birds
Garden Uses Hedges and Screens
Garden Styles Informal and Cottage, Prairie and Meadow

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MMCez, ON-Photography Germany, Anna Gratys, flaviano fabrizi, Photodigitaal.nl, Przemyslaw Muszynski (Shutterstock)

While every effort has been made to describe these plants accurately, please keep in mind that height, bloom time, and color may differ in various climates. The description of these plants has been written based on numerous outside resources.


Requirements

Hardiness 4 – 8
Heat Zones 1 – 8
Climate Zones 2, 2A, 2B, 3, 3A, 3B, 4, 5, 6, 7, 8, 9, 14, 15, 16, 17, 18, 19, 20
Plant Type Shrubs, Trees
Exposure Full Sun, Partial Sun
Season of Interest Spring (Early,Mid,Late)
Summer (Early,Mid,Late)
Fall
Winter
Height 12' – 20' (3.6m – 6m)
Spread 8' – 15' (240cm – 4.5m)
Spacing 240" (600cm)
Water Needs Average
Maintenance Low
Soil Type Chalk, Loam, Sand
Soil pH Alkaline, Neutral
Soil Drainage Moist but Well-Drained, Well-Drained
Characteristics Showy, Fruit & Berries
Attracts Birds
Garden Uses Hedges and Screens
Garden Styles Informal and Cottage, Prairie and Meadow

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