American mountain-ash - Rosaceae Sorbus americana

Foliage

American mountain-ash Foliage

Bark

American mountain-ash Bark

Bud

American mountain-ash Bud

Flower

American mountain-ash Flower

Fruit

American mountain-ash Fruit

Form

American mountain-ash Form

Show More Pictures of this Species

Taxonomy

Cladeangiosperm
FamilyRosaceae
GenusSorbus
Speciesamericana
Common NameAmerican mountain-ash
iTree CodeSOAM3

Plant Form

FormSmall tree
Height0 feet
Spread0 feet
DeciduousYes

Identification Description

FoliageDeciduous dark green leafs that are 6-10" long, 11-17 leaflets that are lancelet and serrated. The leaflets are 2- 2 1/2" long. Leaf Type  Information Icon Compound - Pinnate
Barkgray brown with lenticels when younger, as it ages, splits with scaly patches.
BudDark purple and sticky, 3/8-1/2" long Bud Arrangement Information Icon Alternate
TwigBright gray to reddish brown
FlowerClusters of small white flowers. Bloom in the late spring/early summer.
FruitRed Pomes that are in clusters. Each fruit is 1/4-3/8". Ripen in fall and persist through winter.
Fall Color

Site Characteristics

USDA Zones   info for zones pH LevelsSalt Tolerance
Min2a Min4.6 SoilModerate
Max4a Max6.0 SprayModerate

Shade ToleranceDrought ToleranceAllelopathy
Tolerant Moderate Unknown

Species Status

Nebraska Native
U.S. Native Yes Check
Region of OriginNorth America