American mountain-ash is a small deciduous tree of eastern North America, grown for its white spring flowers, bright red autumn berries and attractive compound leaves. It does best in a cool climate with moist, rich soil and full sun.
Family
Rosaceae (Rose family)
Grows as
Tree, Perennial
Light
Full sun, Part shade
Water
Keep soil evenly moist, especially in dry spells, and avoid waterlogging.
Hardy in cold winters; cool to mild summers suit it best, roughly -35 to 25 °C.
How easy
Easy
Safety
Mildly toxic: Seeds and leaves contain compounds that can release cyanide when crushed or chewed in quantity; the ripe fruit flesh is generally considered safe.
Edible
Yes, some parts
Native range
E. Canada to NC. & E. U.S.A.
Climate
temperate
About
The tree species Sorbus 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.
How to grow it
Sorbus americana is cultivated as an ornamental tree, for use in gardens and parks. It prefers a rich moist soil and the borders of swamps, but will flourish on rocky hillsides.
A cultivar is the red cascade mountain-ash, or Sorbus americana 'Dwarfcrown'. It is planted in gardens, and as a street tree.
Where it grows
Native to eastern North America;
Uses
After their first winter freeze, the fruits are edible raw or cooked. They can be used to make pie and jelly.
Text excerpted from the Wikipedia article Sorbus americana by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.
The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.
Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.