Index / Search / Sorbus americana

§1 Plant

Sorbus americana Marshall

vernacular American mountain ash — species · Rosaceae


USDA
SOAM3
GBIF
7779378
Rank
species
American mountain ash (Sorbus americana)
Platephotograph · jpc.raleighCC BY-NC source · iNaturalist ↗

§2Habit & range

Habit and range

Growth habit
Shrub, Tree
Duration
Perennial
Group
Dicot
Family
Rosaceae Juss.
Genus
Sorbus
§2a

Native status, by region

  • CAN Canada Native
  • L48 Lower 48 States Native
  • SPM St. Pierre & Miquelon Native
§2b

County-level range

· 193 counties across 17 states/territories
Legend Native · 193 Introduced · 0 Both · 0 Hover a county for detail.

§3Cultivation specs · USDA

Recorded by the USDA Plant Materials Program.

§3a

Tolerances

Drought
Low
Shade
Medium
Moisture use
Medium
Fire
Low
Salinity
None
Anaerobic
Low
CaCO₃
Low
Hedging
None
§3b

Climate & soil

Cold tolerance
-38 °F minimum
Frost-free days
90 min.
Precipitation
24–60 in/yr
pH range
5.3–6.8
Root depth
28 in min.
Fertility need
Medium
Soil texture
coarse, medium, fine
§3c

Form & growth

Growth form
Single Stem
Growth rate
Moderate
Lifespan
Moderate
Mature height
40 ft
Height @ 20 y
30 ft
Foliage texture
Fine
Foliage colour
Green
Porosity (summer)
Moderate
Porosity (winter)
Porous
Flower colour
White
Fruit colour
Orange
Fire resistant
No
N fixation
None
Toxicity
None
§3d

Reproduction

Bloom period
Early Summer
Seed abundance
High
Seed begins
Summer
Seed ends
Fall
Spread rate
Slow
Stratify
Yes
Seeds / lb
160,000
Propagation
seed, bare root, container
§3e

Use & availability

Commercial availability
Routinely Available
Nursery stock
Yes
Browse palatability
High
Graze palatability
Low
Palatable, human
No
Protein potential
Low
Lumber
No
Christmas tree
No

§4Counties, by state

Recorded in 193 counties across 17 states/territories.

Georgia view state ↗ 3 N
Illinois view state ↗ 1 N
Maine view state ↗ 14 N
Massachusetts view state ↗ 7 N
Michigan view state ↗ 17 N
Minnesota view state ↗ 6 N
New Hampshire view state ↗ 8 N
New Jersey view state ↗ 6 N
New York view state ↗ 22 N
North Carolina view state ↗ 13 N
Pennsylvania view state ↗ 32 N
South Carolina view state ↗ 1 N
Tennessee view state ↗ 6 N
Vermont view state ↗ 12 N
Virginia view state ↗ 27 N
West Virginia view state ↗ 11 N
Wisconsin view state ↗ 7 N

§5Sources & provenance

USDA PLANTS

Symbol, taxonomy, distribution, cultivation specs, native status. Public domain.

plants.usda.gov/SOAM3 ↗

GBIF Backbone

Canonical taxonomic identity, synonym resolution, cross-refs. CC0.

gbif.org/species/7779378 ↗

Record version

Cached and built locally. Source version on this record:

usda-plants-mt-2026-05-26

fetched 2026-05-26T14:17:10Z