Ironwood (American Hop-hornbeam)

General
Scientific Name: Ostrya virginiana 
Family: Betulaceae (Birch) 
Hardiness: Zone 3 
Leaves: Deciduous 
Plant Type: Tree 

Growth 
Rate: Slow 
Mature Height: 25-45’ 
Longevity: Long 
Power Line: No 

Ornamental 
Flowers: Inconspicuous 
Fruit: Tan 
Fall Color: Yellow

Also known as American hop-hornbeam. A medium sized, slow growing tree, found in pockets along rivers in eastern North Dakota. Leaves resemble elm but this tree is a member of the Birch family. The largest tree in North Dakota is 33 feet tall with a canopy spread of 34 feet.

Light: Part shade to full shade. 
Water: Prefers moist soils. 
Soil: Prefers well drained soils, intolerant of salt.

The name ironwood refers to the strength of the wood which is often used as handles on tools. 

The name American hop-hornbeam comes from the fact that the seed bearing pods somewhat resemble the fruit of hops. 

The hop-hornbeam holds onto its leaves through out the winter adding a unique look to the winter landscape.