Eastern Hop-hornbeam, American Hophornbeam, Ironwood, Leverwood

Ostryavirginiana

Family
Betulaceae (beh-tyoo-LAY-see-ee)
Genus
Ostrya (OSS-tree-uh)
Species
virginiana (vir-jin-ee-AN-uh)
Synonym
Carpinus virginiana
Ostrya guatemalensis
Ostrya italica var. guatemalensis
Ostrya mexicana
Ostrya viginiana var. guatemalensis
Sun Exposure
Sun to Partial Shade
Foliage
Deciduous
Height
20-30 ft. (6-9 m)
30-40 ft. (9-12 m)
Spacing
20-30 ft. (6-9 m)
Hardiness
USDA Zone 4a: to -34.4 °C (-30 °F)
USDA Zone 4b: to -31.6 °C (-25 °F)
USDA Zone 5a: to -28.8 °C (-20 °F)
USDA Zone 5b: to -26.1 °C (-15 °F)
USDA Zone 6a: to -23.3 °C (-10 °F)
USDA Zone 6b: to -20.5 °C (-5 °F)
USDA Zone 7a: to -17.7 °C (0 °F)
USDA Zone 7b: to -14.9 °C (5 °F)
USDA Zone 8a: to -12.2 °C (10 °F)
USDA Zone 8b: to -9.4 °C (15 °F)
USDA Zone 9a: to -6.6 °C (20 °F)
USDA Zone 9b: to -3.8 °C (25 °F)
Danger
Handling plant may cause skin irritation or allergic reaction
Bloom Color
Chartreuse (yellow-green)
Brown/Bronze
Bloom Time
Late Winter/Early Spring
Mid Spring
Late Fall/Early Winter
Mid Winter
Other Details
Category
Trees
Water Requirements
Requires consistently moist soil; do not let dry out between waterings
Foliage Color
Where to Grow
Bloom Characteristics
Bloom Size
Other details
Soil pH requirements
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
Patent Information
Non-patented
Propagation Methods
From seed; direct sow outdoors in fall
Seed Collecting
Collect seedhead/pod when flowers fade; allow to dry
Wear gloves to protect hands when handling seeds
Regional

This plant is said to grow outdoors in the following regions:

Morrilton, Arkansas

Colchester, Connecticut

Canton, Georgia

Brookfield, Illinois

Glen Ellyn, Illinois

Orono, Maine

Halifax, Massachusetts

Minneapolis, Minnesota

Frenchtown, New Jersey

Canal Winchester, Ohio

Kennett Square, Pennsylvania

Wilkes Barre, Pennsylvania

Columbia, South Carolina

Jacksonville, Texas

New Caney, Texas

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Featured Videos

Gardener's Notes:

1
positive
1
neutral
0
negative
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R
Downingtown, PA | December 2013 | positive

It makes a good medium sized shade tree. It has handsome birch-like foliage that gets a good golden autumn color. It has handsome, intere...Read More

T
T
Murfreesboro, TN (Zone 7a) | August 2003 | neutral

Ostrya virginiana is a common tree throughout the eastern U.S. The common name "hornbeam" originated with farmers who used the de...Read More

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