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Home > Landscaping > Native Plants for Western Washington Gardens and Restoration Projects



Corylus cornuta

Beaked Hazelnut

Flowering Period: Feb, Mar March February
Flower color: yellow Flower color: red Flower color: brown
Partial sun Mostly shady
Moist soil


At a Glance: Slender, multi-trunked deciduous shrub.

Height: 3 feet - 13 feet (1 meter - 4 meters).
Growth Form: Shrub.
Stems: Numerous stems that are densely clumped, 3mm in diameter, stem bark is gray-brown and hairy when young.
Leaves: Alternate, oblong to ovate, slightly asymmetrical, with double toothed margins, green with paler lower surface that is soft and hairy, turn yellow in fall; size: 4-10 cm (1.5-4 in) long.
Flowers: Monoecious shrub, male catkins emerge before leaves in the spring, female catkins are much smaller with protruding red stigmas, male catkins hang freely while female are attached directly to branches; size: male catkins 4-7cm (1.5-2.75 in) long, female; shape: cylindrical.
Flowering Period: February, March.
Fruits: Fruits are hard-shelled nuts enclosed in a tubular husk, husks are arranged in clusters of 2-3 at the end of branches, husks are covered with stiff prickly hairs, 1-2 seeds per catkin; shape: vase-shaped; size: 2-3 cm (.8-1.18 in); color: green husk.

Corylus cornuta
Photo © 2004, Starflower Foundation
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Sun/Shade Tolerance Hydrology Elevation Range
Prefers shade.

full sun > 80%
mostly sunny 60%-80%
partial sun and shade 40%- 60%
mostly shady 60%-80%
full shade > 80%

Prefers well-drained sites, can occur in dry soils.

wet
moist
dry

Wetland Indicator Status:
UPL (obligate upland)
Below 2100 meters.

low elevation
mid elevation
sub-alpine
high elevation


Soil Preferences
Prefers calcium and nitrogen rich soils.
sandy soils
gravelly soils
clay soils
muddy soils
peaty soils
well drained soils
shallow soils
deep soils
acidic soils
basic soils
humic soils
nutrient rich soils
nutrient poor soils
mineral soils
organic soils

Habitat Preferences
Aquatic and Wetland:
Ponds or lakes
Shallow pools
Sloughs
Swales or wet ditches
Seasonally inundated areas
Marshes or swamps
Aquatic bed wetlands
Emergent wetlands
Scrub-shrub wetlands
Forested wetlands
Bogs, fens
Seeps, springs
Shorelines and Riparian:
Lake shores
Bog margins
Streams or rivers
Stream or river banks
Riparian corridors
River bars
Floodplains
Bottomlands
Alluvial areas
Saltwater Areas:
In or near saltwater
Mud flats
Tidal areas
Estuaries
Saltmarshes
Brackish water
Seashores
Coastal dunes or beaches
Rocky or Gravelly Areas:
Coastal bluffs
Cliffs
Rocky slopes
Outcrops
Crevices
Glacial outwash
Gullies
Slide areas
Sub-alpine and Alpine:
Heaths
Snow beds
Tundra
Avalanche tracks
Forests and Thickets:
Forests and woods
Open forests
Coniferous forests
Old growth forests
Deciduous forests
Mixed forests
Nurse logs
Forest edges, openings, or clearings
Thickets
Meadows and Fields:
Pastures or fields
Meadows or grassy areas
Mossy areas
Disturbed Areas:
Roadsides
Trailsides
Logged sites
Burned areas
Disturbed sites

Wildlife Value
Berries
Seeds
Nectar for hummingbirds
Nectar for butterflies
Host for insect larvae
Thickets and shelter
Thorny or protective cover

Birds: The nuts are often eaten by Stellars Jays, even before they are ripe. The dense, sprawling structure of the Hazelnut provide good habitat for low-nesting birds.
Mammals: The nuts are eaten by squirrels, chipmunks, raccoons, and red foxes. Rabbits and beavers eat the wood.


Ethnobotanical Uses and Other Facts
Food Uses: The large nuts are edible and closely resemble commercial hazelnuts.


Suggested References



The landscaping and restoration information provided on this page is taken from the Starflower Foundation Image Herbarium. All photographs © Starflower Foundation unless otherwise noted.