Eastern Hop-hornbeam, American Hophornbeam, Ironwood, Leverwood
Ostryavirginiana

Synonym:Carpinus virginiana

Synonym:Ostrya guatemalensis

Synonym:Ostrya italica var. guatemalensis

Synonym:Ostrya mexicana

Synonym:Ostrya viginiana var. guatemalensis

Category
Trees

Water Requirements
Requires consistently moist soil; do not let dry out between waterings

Sun Exposure
Sun to Partial Shade

Foliage
Deciduous

Foliage Color

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)

Where to Grow

Danger
Handling plant may cause skin irritation or allergic reaction

Bloom Color
Chartreuse (yellow-green)
Brown/Bronze

Bloom Characteristics

Bloom Size

Bloom Time
Late Winter/Early Spring
Mid Spring
Late Fall/Early Winter
Mid Winter

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