§1 Plant
Acer glabrum Torr.
vernacular Rocky Mountain maple — species · Aceraceae
§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
§2b
County-level range
· 263 counties across 13 states/territories§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
§4Counties, by state
Recorded in 263 counties across 13 states/territories.
Arizona view state ↗ 6 N ▾
California view state ↗ 28 N ▾
- Alpine 06003
- Amador 06005
- Butte 06007
- Calaveras 06009
- Del Norte 06015
- El Dorado 06017
- Fresno 06019
- Humboldt 06023
- Inyo 06027
- Kern 06029
- Lassen 06035
- Madera 06039
- Mariposa 06043
- Mono 06051
- Nevada 06057
- Placer 06061
- Plumas 06063
- Riverside 06065
- San Benito 06069
- San Bernardino 06071
- Shasta 06089
- Sierra 06091
- Siskiyou 06093
- Tehama 06103
- Trinity 06105
- Tulare 06107
- Tuolumne 06109
- Yuba 06115
Colorado view state ↗ 35 N ▾
- Alamosa 08003
- Archuleta 08007
- Boulder 08013
- Chaffee 08015
- Clear Creek 08019
- Costilla 08023
- Custer 08027
- Delta 08029
- Denver 08031
- Eagle 08037
- El Paso 08041
- Garfield 08045
- Gilpin 08047
- Gunnison 08051
- Huerfano 08055
- Jefferson 08059
- La Plata 08067
- Larimer 08069
- Las Animas 08071
- Mesa 08077
- Mineral 08079
- Moffat 08081
- Montezuma 08083
- Montrose 08085
- Ouray 08091
- Park 08093
- Pitkin 08097
- Pueblo 08101
- Rio Blanco 08103
- Routt 08107
- Saguache 08109
- San Juan 08111
- San Miguel 08113
- Summit 08117
- Teller 08119
Idaho view state ↗ 32 N ▾
- Ada 16001
- Adams 16003
- Bannock 16005
- Bear Lake 16007
- Benewah 16009
- Boise 16015
- Bonner 16017
- Bonneville 16019
- Boundary 16021
- Butte 16023
- Cassia 16031
- Clark 16033
- Clearwater 16035
- Custer 16037
- Elmore 16039
- Franklin 16041
- Fremont 16043
- Gem 16045
- Idaho 16049
- Jefferson 16051
- Kootenai 16055
- Latah 16057
- Lemhi 16059
- Lincoln 16063
- Madison 16065
- Nez Perce 16069
- Oneida 16071
- Owyhee 16073
- Shoshone 16079
- Teton 16081
- Valley 16085
- Washington 16087
Montana view state ↗ 25 N ▾
- Beaverhead 30001
- Big Horn 30003
- Broadwater 30007
- Carbon 30009
- Cascade 30013
- Deer Lodge 30023
- Fergus 30027
- Flathead 30029
- Gallatin 30031
- Glacier 30035
- Granite 30039
- Judith Basin 30045
- Lake 30047
- Lewis and Clark 30049
- Lincoln 30053
- Madison 30057
- Meagher 30059
- Missoula 30063
- Park 30067
- Petroleum 30069
- Ravalli 30081
- Sanders 30089
- Stillwater 30095
- Teton 30099
- Yellowstone 30111
Nebraska view state ↗ 1 N ▾
Nevada view state ↗ 13 N ▾
New Mexico view state ↗ 22 N ▾
- Bernalillo 35001
- Catron 35003
- Cibola 35006
- Colfax 35007
- Eddy 35015
- Grant 35017
- Lincoln 35027
- Los Alamos 35028
- McKinley 35031
- Mora 35033
- Otero 35035
- Rio Arriba 35039
- San Juan 35045
- San Miguel 35047
- Sandoval 35043
- Santa Fe 35049
- Sierra 35051
- Socorro 35053
- Taos 35055
- Torrance 35057
- Union 35059
- Valencia 35061
Oregon view state ↗ 25 N ▾
- Baker 41001
- Benton 41003
- Clackamas 41005
- Clatsop 41007
- Columbia 41009
- Coos 41011
- Curry 41015
- Deschutes 41017
- Douglas 41019
- Grant 41023
- Hood River 41027
- Jackson 41029
- Jefferson 41031
- Josephine 41033
- Klamath 41035
- Lane 41039
- Linn 41043
- Marion 41047
- Multnomah 41051
- Polk 41053
- Umatilla 41059
- Union 41061
- Wallowa 41063
- Wasco 41065
- Washington 41067
Utah view state ↗ 29 N ▾
- Beaver 49001
- Box Elder 49003
- Cache 49005
- Carbon 49007
- Daggett 49009
- Davis 49011
- Duchesne 49013
- Emery 49015
- Garfield 49017
- Grand 49019
- Iron 49021
- Juab 49023
- Kane 49025
- Millard 49027
- Morgan 49029
- Piute 49031
- Rich 49033
- Salt Lake 49035
- San Juan 49037
- Sanpete 49039
- Sevier 49041
- Summit 49043
- Tooele 49045
- Uintah 49047
- Utah 49049
- Wasatch 49051
- Washington 49053
- Wayne 49055
- Weber 49057
Washington view state ↗ 26 N ▾
- Asotin 53003
- Chelan 53007
- Clallam 53009
- Columbia 53013
- Cowlitz 53015
- Ferry 53019
- Garfield 53023
- Jefferson 53031
- King 53033
- Kittitas 53037
- Klickitat 53039
- Lincoln 53043
- Mason 53045
- Okanogan 53047
- Pacific 53049
- Pend Oreille 53051
- Pierce 53053
- San Juan 53055
- Skagit 53057
- Skamania 53059
- Snohomish 53061
- Spokane 53063
- Stevens 53065
- Walla Walla 53071
- Whatcom 53073
- Yakima 53077
§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-2026-05-26
fetched 2026-05-26T20:46:58Z