Attractive flowers and persistent fruit. 4a Korean Mountain Ash is an excellent small tree. Tree form is oval broadening to round with age. It forms a fairly dense crown with many small branches. Unlike most Mountain Ash, the Korean Mountain Ash has simple leaves.
Fruits are also quite attractive and persist all winter.
Fruit color is orange with a red-purple hue. Tends to flower and fruit heavily in alternate years. Bark of younger branches is very smooth, gray-brown in color with very conspicuous white lenticels. Leaves develop a clear, bright yellow fall color. Korean Mountain Ash prefers a good loam soil and full sun for best performance.