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 |
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Cultivar Availability | No |
Hardiness Zone | 4-9 |
Type | Broadleaf |
Utah Native | No |
Growth
Growth Rate | Medium |
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Mature Height | Low |
Longevity | Medium |
Is Good Under Power Lines | Yes |
Crown Shapes | Shrubby |
Ornamental
Bark | Yes |
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Fall Color | No |
Flowers | Yes |
Foliage | Yes |
Fruit | Yes |
Tolerance
Shade | Medium |
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Salt | Low |
Drought | Medium |
Poor Drainage | Medium |
Alkalinity | High |
Transplanting | Medium |