Hophornbeam, Ironwood (Ostrya virginiana)-Hort Answers - University of Illinois Extension
University of Illinois Extension

University of Illinois Extension

Hort Answers

Tree

Hophornbeam, Ironwood
Ostrya virginiana

Hophornbeam leaves and fruit
Hophornbeam leaves and fruit
 
Features
Dark green, birch-like leaves that change to yellow in autumn; cream colored, inflated fruits that look like hops. 
 
Culture
Full sun to partial shade (actually quite shade tolerant); moist, well drained soils; tolerates dry soils and alkaline sites. 
 
Cultivars
 
 
Mature Height
25-40 Feet
 
Size
Medium
 
 
Mature Form
Pyramidal to oval 
 
Native To:
United States (and Illinois) 
 
USDA Hardiness Zone
4 - 9 
 
Soil Conditions
Dry
Moist, Well-Drained
 
 
Tolerance
Alkaline Soil
Dry Sites
Wind
 
 
Exposure/Light Requirements
Full Shade
Full Sun
Partial Sun/Shade
 
 
Uses
Shade
Street
 
 
Foliage Color
Green
 
 
Fall Foliage Color
Yellow
 
 
Pests and Problems

Environmental Damage

Fungal Disease


Additional pests and problems that may affect this plant:

Can be difficult to transplant due to a taproot.
 
Additional Notes
A slow growing tree, with very hard wood.

 

 
Related Resources
Home, Yard & Garden Pest Guide
Illinois Commercial Landscape and Turfgrass Pest Management Handbook
U of IL - Distance Diagnosis through Digital Imaging
U of IL - Plant Clinic