Photo by Melody

PlantFiles: American Mountain Ash, Dogberry
Sorbus americana

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Family: Rosaceae (ro-ZAY-see-ee) (Info)
Genus: Sorbus (sor-bus) (Info)
Species: americana (a-mer-ih-KAY-na) (Info)

Synonym:Pyrus americana
Synonym:Pyrus microcarpa

5 vendors have this plant for sale.

9 members have or want this plant for trade.

Category:
Trees

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)

Sun Exposure:
Full Sun
Sun to Partial Shade
Light Shade

Danger:
Unknown - Tell us

Bloom Color:
White/Near White

Bloom Time:
Late Spring/Early Summer

Foliage:
Deciduous

Other details:
This plant is attractive to bees, butterflies and/or birds
Average Water Needs; Water regularly; do not overwater

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

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Profile:

2 positives
No neutrals
No negatives

Gardeners' Notes:

RatingAuthorContent
Positive Joan On Jun 19, 2005, Joan from Belfield, ND (Zone 4a) wrote:

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

Positive a5thbrat On Jul 30, 2004, a5thbrat from Sebastopol, CA wrote:

Burbank was actively propagating these trees in experiments in the early 1900s. There remain at least 3 partial "orchard rows" of Sorbus at his Gold Ridge Farm in Sebastopol CA. These trees are estimated to have been planted sometime between 1890 and 1920 and still bear a abundance of fruit each year.

Note, Foliage: A good source of "fall color".

Interesting Note Regarding Ripening of Fruit:
The fruit of the Sorbus is only edible after being "bletted", in other words, after falling to ground and fermenting.

The flesh then has a custard-like consistency and people describe it alternately as tasting like both vanilla and chocolate pudding.

Regional...

This plant has been said to grow in the following regions:

Blair, Nebraska
West Kill, New York
Belfield, North Dakota
Grand Forks, North Dakota
Ada, Oklahoma
Portland, Oregon
Powell, Tennessee
Ten Mile, Tennessee
Kalama, Washington



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