American mountainash (Sorbus americana)

USDA Hardiness Zones

USDA hardiness zones
American mountainash
American mountainash American mountainash
American mountainash (Sorbus americana)

Cultivars:
Zone Zone  more information
Hardy to zone 2b
Mature Height Mature Height
20 to 30 feet
Mature Spread Mature Spread
20 to 25 feet
Growth Rate Growth Rate
Slower
Sun Sun
Full Sun
Moisture Moisture
Moist soil, well drained
Fall Color Fall Color
Attractive
Attracts Wildlife Attracts Wildlife
Yes
Flower Flower
Ornamental
Fruit Fruit
Ornamental
Evergreen Evergreen
No
Native to WI Native to WI
Yes
Additional Information Additional Information
narrow, open to rounded form; 20-30’ tall; 20-25’ wide; white flowers; orange-red to scarlet-red fruit; slow grower; orange-yellow to reddish-purple fall color; full sun; prefers a cool, slightly acid soil, moist, and well-drained; intolerant to compacted soil; drought, air pollution, and salt; susceptible to a number of insects and diseases, especially fireblight; native to Wisconsin in cool, acid bogs; cold hardy to zone 2b

UW Extension
For more information, see the UW Extension Urban Horticulture Team Web site: www.uwex.edu/ces/wihort
Primary Author: Dr. Laura Jull
Photos by: Dr. Laura Jull and Dr. Ed Hasselkus

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