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American Hazelnut

Corylus americana

Slender catkins hang from American hazelnut branches before the leaves open. Later in the year, small nuts develop inside fringed husks, drawing wildlife into the shrub’s leafy cover.

When to Notice

Late winter–early spring (February–March) for catkins; late summer–fall (August–October) for nuts.

Where to Look

Look along sunny woodland edges, rocky slopes, thickets, and old field edges. American hazelnut grows as a many-stemmed shrub and often spreads into patches. Its dangling catkins are easiest to see against bare branches.

Hazelnut.png
Superior National Forest, CC BY 2.0 httpscreativecommons.orglicensesby2.0, via Wikimedia C

HOW TO RECOGNIZE IT

DANGLING CATKINS

Long, yellowish-brown male catkins hang from bare twigs in late winter and early spring.

TINY RED FLOWERS

Small red threads project from the female flower buds near the catkins.

TOOTHED LEAVES

Broad, alternate leaves have pointed tips and sharply double-toothed edges.

FRINGED HUSKS

Round nuts sit inside leafy husks with ragged, fringed margins.

Ecological context

Forest Connections

Its place in the Blue Ridge

A Crop Within Reach

Hazelnuts provide food for squirrels, small rodents, and birds such as wild turkeys. Some nuts are eaten where they fall; others are carried away and stored. A few overlooked seeds may grow beyond the original patch. Beneath the shrub, opened shells and discarded husks can reveal the animals using a crop that was easy to miss among summer leaves.
 

Shelter Below the Canopy

American hazelnut sends up new stems from its roots, forming patches of dense cover. Small birds can rest among the branches, and mammals move beneath them between feeding places. At a woodland edge, the shrub adds a lower layer below the trees. Its value continues after the nuts are gone, through the shelter provided by stems, twigs, and surrounding vegetation.

American hazelnut grows along woodland edges, rocky slopes, and thickets in the Blue Ridge, often spreading into small colonies where sunlight reaches the ground. Its branches provide low cover, while autumn nuts feed chipmunks, squirrels, and birds. In late winter, hanging catkins offer an early sign of the growing season ahead.

A small wonder

Male and female flowers share the same shrub but look very different. The long catkins release windborne pollen, while the female flowers show only a few tiny red threads. A close look at a bare twig reveals both parts of a future nut crop.

Notice for yourself

Pause beside a flowering shrub and compare a dangling catkin with the much smaller red flowers nearby. Return in late summer to look for fringed husks. Leave the branches and developing nuts in place for the animals that use them.

Explore further

Follow more stories from this forest.

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American Beech

Eastern Chipmunk

Wild Turkey

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