Japanese Walnut (Juglans ailantifolia)

The Japanese walnut has long leaves that are made up of many smaller, oval-shaped, serrated, bright-green leaflets. This tree produces an edible fruit which is sometimes also called a heartnut, due to its heart shape.

Family: Juglandaceae (Walnut)

Characteristics: The leaves are pinnately-compound, made up of 2.5-inch to 7-inch-long, ovate-oblong, serrated, bright-green leaflets. Flowers appear as catkins. This tree produces a thick-shelled, oval-shape fruit. The tree has a broad and rounded crown. It grows 40-65 feet high and wide.

Foliage: Deciduous (leaves lost seasonally)

Geographic Origin: Japan (non-native)

Cultivation Notes: Does best in full sun. Prefers moist and well-drained soils.

Number on Campus: 1

Source: Oregon State University