Sorbus americana
American Mountain Ash
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American Mountain Ash (Sorbus americana) - Description
The tree species Sorbus americana (syn. Pyrus americana) is commonly known as the American Mountain-ash. It is a deciduous perennial tree, native to eastern North America. The American mountain-ash and related species (most often the European Mountain ash, Sorbus aucuparia) are also referred to as rowan trees.
American Mountain Ash (Sorbus americana) - 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.
American Mountain Ash (Sorbus americana) - 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.
American Mountain Ash (Sorbus americana) - 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.
American Mountain Ash (Sorbus americana) - Pest
Sawfly, borers, scale insects, and aphids. Sorbus is also prone to fireblight, powdery mildew, dieback, wood rot, and anthracnose.
American Mountain Ash (Sorbus americana) - Interesting facts
Sorbus is cultivated for its leaves that often color nicely in fall. Raw fruits are slightly toxic, but cooking makes them edible.
American Mountain Ash (Sorbus americana) - Soil and irrigation
Moist, well-drained acidic to alkaline soil. Keep roots moist and cool.
