Oak Summit Nursery
American Mountain Ash (Sorbus americana)
American Mountain Ash (Sorbus americana)
Fall 2026 plant sale
Fall plant ordering opens in September. Shipping begins in October 2026.
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American Mountain Ash (Sorbus americana) is a native North American tree with clusters of bright red berries that ripen in late summer and can persist into winter, feeding birds and other wildlife. White flowers appear in spring. The tree favours cool, well drained sites.
Cold Hardiness Zone: 3
Mature Size: 20 to 30 ft tall and 15 to 25 ft wide
Fall 2026 plant sale
Plants are sold seasonally after nursery stock is counted. Fall ordering opens in September and shipping begins in October 2026. Add a reminder and we will email when this listing opens.
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Cold hardinessZone 3 · Canadian maps for this plant
Zone 3 and warmer
The map shows minimum winter hardiness. Soil, moisture and summer warmth also affect how a plant grows.
About these maps
Climate: Natural Resources Canada, 1991–2020. Provincial distribution: VASCAN via retained botanical research. Province outlines: Natural Earth, public domain.
Open Government Licence – Canada