Japanese Walnut
Juglans ailantifolia
Juglandaceae · broadleaf · introduced
Quick Facts
Height
40–65 ft
Light
Full Sun
Hardiness
Zone Zones 5a–8b
Origin
Japan; introduced in 1860 A sport of the Japanese walnut,
Diseases (10)
Geosmithia morbida (vectored by Pityophthorus juglandis) Thousand Cankers Disease
Walnut Blight
Blackline
Ophiognomonia leptostyla (syn. Gnomonia leptostyla) Anthracnose Blotch
Various species including Colletotrichum acutatum, C Anthracnose
Black Walnut Toxicity
Rhizobium radiobacter (formerly Agrobacterium tumefaciens) Crown Gall
Downy Leaf Spot
Mosses and Lichens
Phytophthora spp. (P Phytophthora Root Rot