Hazelnut, American
Corylus americana
Betulaceae - Birch

Description

Leaves: Dark green above with some pubescence; alternate; simple; large (2-1/2" to 6" in length); egg-shaped to elliptic, tapering to the short apex, heart-shaped to round at base; petiole glandular hairy,1/2" in length.

Twigs/buds: Branches brown, glandular-pubescent when young; pith continuous, 3-sided, and pale to brown. Buds gray to green-brown to purplish; overlapping, ball-like; covered in fine soft hair.

Flowers/fruit: Flowers monoecious; male flower in yellowish brown catkins, 1-1/2" to 3" in length, showy in March; female flower inconspicuous. Fruit a nut; smaller (1/2"), flattened; enclosed within involucre; involucre larger (1" long), downy, and notched; nuts mature in September to October; edible.

Bark: Pale gray-brown, smooth, develops netted pattern over time.

Wood: Unimportant; susceptible to wood decay.

General: Native from New England to Florida. Tends to occur along fencerows and near woodland edges. Shrubby hazelnut with some similarity to Turkish filbert/hazel (C. colurna). Leaves and branches are susceptible to blight.

Landscape Use: Best in non-formal, naturalized areas. Zones 4-9.

Cultivars: 'Bixby', 'Buchanan', 'Potomac', 'Reed'.

Characteristics

General

Family Betulaceae - Birch
Cultivar Availability No
Hardiness Zone 4-9
Type Broadleaf
Utah Native No

Growth

Growth Rate Medium
Mature Height Low
Longevity Medium
Is Good Under Power Lines Yes
Crown Shapes Shrubby

Ornamental

Bark Yes
Fall Color No
Flowers Yes
Foliage Yes
Fruit Yes

Tolerance

Shade Medium
Salt Low
Drought Medium
Poor Drainage Medium
Alkalinity High
Transplanting Medium