Japanese Walnut
Juglans ailantifolia
Juglandaceae · broadleaf deciduous tree · introduced
Last updated
Data Maturity Structured
This profile synthesizes data from multiple published sources. Expert field review is in progress.
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 (9)
Geosmithia morbida (vectored by Pityophthorus juglandis) Thousand Cankers Disease Xanthomonas arboricola pv. juglandis Walnut Blight Blackline virus Blackline Ophiognomonia leptostyla (syn. Gnomonia leptostyla) Anthracnose Blotch Black Walnut Toxicity Rhizobium radiobacter (formerly Agrobacterium tumefaciens) Crown Gall Pseudomicrostroma juglandis (syn. Microstroma juglandis) Downy Leaf Spot Mosses and Lichens Phytophthora spp. (P Phytophthora Root Rot