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
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Taxonomy

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 IconCompound - Pinnate
Needles0
Barkgray brown with lenticels when younger, as it ages, splits with scaly patches.
BudDark purple and sticky, 3/8-1/2" longBud Arrangement Information IconAlternate
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 zonespH LevelsSalt Tolerance
Min2aMin4.6SoilModerate
Max4aMax6.0SprayModerate

Shade ToleranceDrought ToleranceAllelopathy
TolerantModerateUnknown

Species Status

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