Amur Corktree

Amur corktree is a deciduous shade tree with a broad, spreading crown and distinctive corky bark. North Carolina State Extension gives a mature height of 30–45 feet and spread of 40–50 feet, describes medium growth, and notes that the female tree can produce abundant seed and become invasive in some landscapes. Its profile is species-level and does not establish special traits for the assigned “Japonica” name. [NC State Extension profile](https://plants.ces.ncsu.edu/plants/phellodendron-amurense/common-name/amur-cork-tree/) ## Growing Conditions Plant in full sun and moist, well-drained soil. The species adapts to different soil types and tolerates drought after establishment and air pollution. Allow room for the wide crown and shallow, spreading roots when choosing a site. ## Garden Use The mature size suits parks and large landscapes where a broad shade canopy is useful. The corky bark adds winter texture, and the tree’s foliage turns yellow in fall. The source reports wildlife use of the fruit, but also cautions that seed-producing female trees may spread beyond cultivation; consider the local ecological context before planting. ## Maintenance Water during establishment and keep the root zone evenly moist while the tree settles in. Avoid placing it where the eventual crown will conflict with buildings or utilities. Monitor for seedlings and remove unwanted volunteers promptly.