Similar trees grow in North America and Japan. United States hornbeam is sometimes called ironwood, musclewood or blue beech. But 40 types are grown in East Asia. They grow slowly, up to 75 feet high.

Eastern hop hornbeam and American hornbeam Ginny Brace Special to the News-Post May 6, 2012 Updated Mar 11, 2016 ...

The historic garden at Dumbarton Oaks in Georgetown is a necklace of finely crafted spaces, but one garden room stands out as particularly special. The Hornbeam Ellipse is an enclosed oval terrace ...