The climate where mockernut hickory grows is usually humid. Many birds and animals feed on the nuts of mockernut hickory. Some fungi grow on mockernut hickory roots, sharing nutrients from the soil. Mockernut hickory is used for tool handles requiring high shock resistance. Mockernut hickory is a large, true hickory with a dense crown. Mockernut hickory is host to anthracnose ("Gnomonia caryae"). Mockernut hickory is monoecious - male and female flowers are produced on the same tree. Mockernut hickory requires a minimum of 25 years to reach commercial seed-bearing age. Mockernut hickory is associated with the eastern oak-hickory forest and the beech-maple forest.