Acer glabrum
Rocky Mountain maple · also Western mountain maple, Dwarf maple, Sierra maple
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Acer glabrum is a deciduous maple native to Western North America. It has an upright form with dense, dark green foliage. Known for its relatively fast growth and resilience, this species is suitable for urban landscapes and public parks, though it has high water needs.
Where it grows
Trees in each city's inventory, with the share of that city's named trees this species accounts for.
- 2880.09%—3.0 in
- 370.05%—9.3 in
- 250.01%—5.0 in
- 40.03%—0.4 in
- 40.01%—2.0 in
- 20.00%—11 in
- 20.01%—6.3 in
- 20.00%—0.5 in
- 10.00%—47 in
No city in this list records planting dates for this species, so age is blank throughout.
Traits
- Form
- Broadleaf
- Foliage
- Deciduous
- Mature height
- 10–30 ft
- Canopy spread
- 5–15 ft
- Growth rate
- Moderate
- Water needs
- High
- Drought tolerance
- Low
- Wildlife value
- Moderate
- Blooms
- Mar, Apr, May
Trunk diameters across every city: median 3.0 in, mean 4.2 in, 90th percentile 9.0 in. Measured at breast height, as published by each inventory.
Native range
Terrestrial ecoregions where this species is native. Trees in the dataset mostly stand well outside it.
Temperate Conifer Forests
- Alberta-British Columbia foothills forests
- Arizona Mountains forests
- British Columbia coastal conifer forests
- Central British Columbia Mountain forests
- Colorado Rockies forests
- North Cascades conifer forests
- Northern California coastal forests
- Sierra Nevada forests
- South Central Rockies forests
Temperate Grasslands, Savannas & Shrublands
- Montana Valley and Foothill grasslands
- Nebraska Sand Hills mixed grasslands
Boreal Forests/Taiga
- Interior Alaska-Yukon lowland taiga
Other Acer in the catalogue
50 of the top 2,000 species are in this genus.
