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Hazelnut, American Corylus americana

American Hazelnut - Corylus americana
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Cooks love these easy-to-crack, small. sweet kernels. Can be used as a shrub-like landscape plant. Likes well-drained, loamy soil, full sun or light shade. Grows to 18', 12' spread. (Plant two trees for pollination) (zones 4-9)

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Zones 4 - 9 Zones 4 - 9
Hardiness Zones 4 - 9
The American Hazelnut can be expected to grow in the zones shown in color in the zone map. View Map
Nut Tree Nut Tree
Type of tree
Nut Trees, Shrubs
15' - 18' High 15' - 18' High
Mature Height
The American Hazelnut grows to be 15' - 18' feet in height.
10' - 12' Spread 10' - 12' Spread
Mature Spread
The American Hazelnut has a spread of about 10' - 12' at full maturity.
Medium to Fast Growth Medium to Fast Growth
Growth Rate
This tree grows at a medium to fast growth rate. More about this.
Full Sun Full Sun
This hazelnut does well in full sun, partial shade.
Various Soils Various Soils
The American Hazelnut grows in acidic, alkaline, drought tolerant, loamy, moist, rich, sandy, well drained, wide range, clay soils.
Rounded Shape Rounded Shape
This hazelnut has rounded shape.

The American filbert or hazelnut is a native of the eastern United States. The tasty nuts are highly prized by people and wildlife, Filbert hedges can be used as windbreaks, visual screens, and to attract wildlife. Trees grown from seed will begin to produce nuts after around 8 years.


The American Filbert is a multi-stemmed shrub with a rounded top and an open, often wide-spreading base. Because of its size, it is adapts well to naturalizing and other nonformal areas. It bears annual, abundant crops of small, sweet tasting nuts. It will bear in 2-3 years after planting. The nuts are easy to crack and drop free of the husk when mature. (Plant multiple trees with the same flowering time to ensure pollination) (zone 4-9)

Wildlife Value

The nuts produced by American hazelnut are a preferred by squirrels, deer, turkey, woodpeckers, pheasants, grouse, quail, and jay. The male catkins are a food staple of ruffed grouse throughout the winter.


Simple, alternate, 2 1/2"-6" long, dark green surface.

Flower Color

Female is red and male is yellowish brown

Bloom Time

Mid-winter to early spring

Fruit Description

The downy, deeply cut and notched, 1" involucre in clusters of 2-6 encloses a 1/2", slightly flattened, thick, smooth, brown shell with a sweet, round kernel. Harvest from September to October.