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Sorbus decora (Sarg.) C.K. Schneid.
Northern mountain ash, Northern mountain-ash, Showy mountain-ash
Synonym(s): Pyrus americana var. decora, Pyrus decora
USDA Symbol: sode3
A 25-50 ft. tree with a narrow crown and ascending branching. Branches low to the ground. Foliage is pinnately-compound with a blue-green, summer hue. Autumn color is yellow-orange to reddish-purple. Terminal clusters of white blossoms are followed by heavily drooping clusters of glossy, red or orange berries.
Plant CharacteristicsDuration: Perennial Habit: Tree Autumn Foliage:
Red Size Class:
Bloom InformationBloom Color: White
Bloom Time: May , Jun
, WI Canada: MB
, QC Native Distribution:
Lab. to n. Ont. & s.e. Man., s. to n.w. MA, NY,
n. OH, WI
& MN Native Habitat:
Wet to mesic woods; cool, moist slopes; lake shores
Growing ConditionsLight Requirement:
Part Shade , Shade Soil Moisture:
Moist Soil pH:
Circumneutral (pH 6.8-7.2) Soil Description:
Any poor- to well-drained, wet to mesic soil. Conditions Comments:
Fire blight and borers are serious problems. This is also a very weak-wooded tree. It is difficult to find reliable sources of native
species of mountain ash.
BenefitUse Wildlife: An intermediate source of food for songbirds, waterfowl and small mammals.x
Warning: Seeds are toxic and can be fatal to children if eaten. Sensitivity to a toxin varies with a personís age, weight, physical condition, and individual susceptibility. Children are most vulnerable because of their curiosity and small size. Toxicity can vary in a plant according to season, the plantís different parts, and its stage of growth; and plants can absorb toxic substances, such as herbicides, pesticides, and pollutants from the water, air, and soil.
National Wetland Indicator Status
|Status:|| FAC || UPL || FACU |
This information is derived from the U.S. Army Corps of Engineers National Wetland Plant List, Version 3.1
(Lichvar, R.W. 2013. The National Wetland Plant List: 2013 wetland ratings. Phytoneuron 2013-49: 1-241). Click here
for map of regions.
Record Last Modified: 2007-01-01
Research By: TWC Staff