American Mountain Ash, Dogberry

Sorbusamericana

Family
Rosaceae (ro-ZAY-see-ee)
Genus
Sorbus (sor-bus)
Species
americana (a-mer-ih-KAY-na)
Synonym
Pyrus americana
Pyrus microcarpa
Sun Exposure
Full Sun
Sun to Partial Shade
Light Shade
Foliage
Deciduous
Height
10-12 ft. (3-3.6 m)
12-15 ft. (3.6-4.7 m)
15-20 ft. (4.7-6 m)
20-30 ft. (6-9 m)
Spacing
15-20 ft. (4.7-6 m)
Hardiness
USDA Zone 2a: to -45.5 °C (-50 °F)
USDA Zone 2b: to -42.7 °C (-45 °F)
USDA Zone 3a: to -39.9 °C (-40 °F)
USDA Zone 3b: to -37.2 °C (-35 °F)
USDA Zone 4a: to -34.4 °C (-30 °F)
USDA Zone 4b: to -31.6 °C (-25 °F)
USDA Zone 5a: to -28.8 °C (-20 °F)
USDA Zone 5b: to -26.1 °C (-15 °F)
USDA Zone 6a: to -23.3 °C (-10 °F)
USDA Zone 6b: to -20.5 °C (-5 °F)
USDA Zone 7a: to -17.7 °C (0 °F)
USDA Zone 7b: to -14.9 °C (5 °F)
Bloom Color
White/Near White
Bloom Time
Late Spring/Early Summer
Other Details
Category
Trees
Water Requirements
Average Water Needs; Water regularly; do not overwater
Foliage Color
Where to Grow
Bloom Characteristics
This plant is attractive to bees, butterflies and/or birds
Bloom Size
Other details
Soil pH requirements
5.1 to 5.5 (strongly acidic)
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
Patent Information
Non-patented
Propagation Methods
From seed; direct sow after last frost
Seed Collecting
Unblemished fruit must be significantly overripe before harvesting seed; clean and dry seeds
Regional

This plant is said to grow outdoors in the following regions:

Lisle, Illinois

Augusta, Maine

Brainerd, Minnesota

Blair, Nebraska

West Kill, New York

Belfield, North Dakota

Grand Forks, North Dakota

Ada, Oklahoma

Portland, Oregon

Kempton, Pennsylvania

Philipsburg, Pennsylvania

Powell, Tennessee

Ten Mile, Tennessee

Kalama, Washington

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Featured Videos

Gardener's Notes:

3
positives
0
neutral
0
negative
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R
Downingtown, PA | July 2015 | positive

A lovely small tree to about 30 feet high. The compound leaves are 6 to 12" long with 11 to 17 toothed leaflets being 2 to 4" long. Gets ...Read More

J
J
Belfield, ND (Zone 4a) | June 2005 | positive

A gorgeous tree that adds interest from spring through fall. In the spring there's the white flowers, followed by the orange fruit, then...Read More

A
Sebastopol, CA | July 2004 | positive

Burbank was actively propagating these trees in experiments in the early 1900s. There remain at least 3 partial "orchard rows" of Sorbus ...Read More

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