Sorbus alnifolia
Korean Mountain Ash
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Korean Mountain Ash (Sorbus alnifolia) - Description
Sorbus alnifolia (syn. Aria alnifolia) Alder-leafed Whitebeam or Korean Whitebeam, Chinese: 水榆花楸; pinyin: shui yu hua qiu; literally "water elm rowan", is a species of whitebeam native to eastern Asia in eastern and northern China, Taiwan, Korea and Japan.
Korean Mountain Ash (Sorbus alnifolia) - Blooming
In late spring, 3-inch, lacy clusters of white flowers bloom above the foliage followed by white, yellow, orange, red, or brown berries. S. aria flourishes in dry, and alkaline or acidic soil.
Korean Mountain Ash (Sorbus alnifolia) - Growth
Deciduous trees and shrubs. Leaves are variable, from compound to simple. Has showy small red fruits in clusters in summer to late fall. Tree needs winter chill. Grows best in full sun or light shade. Tolerates atmospheric pollution. Trees work well in a small garden, wild or woodland.
Korean Mountain Ash (Sorbus alnifolia) - Planting
Propagate from the seed. Sow in fall in containers in a cold frame (for protection and to ensure hardiness). Can also propagate from greenwood cuttings, but it will take a while for some plants to root.
Korean Mountain Ash (Sorbus alnifolia) - Pest
Sawfly, borers, scale insects, and aphids. Sorbus is also prone to fireblight, powdery mildew, dieback, wood rot, and anthracnose.
Korean Mountain Ash (Sorbus alnifolia) - Interesting facts
Sorbus is cultivated for its leaves that often color nicely in fall. Raw fruits are slightly toxic, but cooking makes them edible.
Korean Mountain Ash (Sorbus alnifolia) - Soil and irrigation
Moist, well-drained acidic to alkaline soil. Keep roots moist and cool.
