Index / Search / Acer glabrum

§1 Plant — species · Aceraceae

Acer glabrum Torr.

vernacular Rocky Mountain maple


USDA
ACGL
GBIF
3189864
Rank
species
Rocky Mountain maple (Acer glabrum)
Platephotograph · Bruce NewhouseCC BY-NC-ND source · iNaturalist ↗

§2Habit & range

Habit and range

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

Native status, by region

  • AK Alaska Introduced
  • CAN Canada Native
  • L48 Lower 48 States Native

§3Cultivation specs · USDA

Recorded by the USDA Plant Materials Program.

§3a

Tolerances

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

Climate & soil

Cold tolerance
-43 °F minimum
Frost-free days
180 min.
Precipitation
9–60 in/yr
pH range
5.8–7.5
Root depth
24 in min.
Fertility need
Medium
Soil texture
coarse, medium
§3c

Form & growth

Growth form
Multiple Stem
Growth rate
Rapid
Lifespan
Moderate
Mature height
30 ft
Height @ 20 y
15 ft
Foliage texture
Coarse
Foliage colour
Green
Porosity (summer)
Dense
Porosity (winter)
Porous
Flower colour
Green
Fruit colour
Brown
Fire resistant
No
N fixation
None
Toxicity
None
§3d

Reproduction

Bloom period
Late Spring
Seed abundance
High
Seed begins
Summer
Seed ends
Fall
Spread rate
Slow
Stratify
Yes
Seeds / lb
13,663
Propagation
seed, cuttings, bare root, container
§3e

Use & availability

Commercial availability
Routinely Available
Nursery stock
Yes
Browse palatability
Medium
Graze palatability
Low
Palatable, human
No
Lumber
No
Fuelwood
Medium
Christmas tree
No

§4Montana distribution

Recorded in 25 of 56 Montana counties.


§5Sources & provenance

USDA PLANTS

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

plants.usda.gov/ACGL ↗

GBIF Backbone

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

gbif.org/species/3189864 ↗

Record version

Cached and built locally. Source version on this record:

usda-plants-mt-2026-05-25

fetched 2026-05-25T16:28:53Z