Acer glabrum
Rocky Mountain maple

• Hardiness: USDA Zone 5.
• Water use: Moderate to low.
• Light: Full sun to shade.
• Size: 10-30 feet tall.
• Plant habit: Small, deciduous, multi-stemmed tree.
• Native range: Cascade Mountains to Rocky Mountains; native in Washington State.
• Leaves: Green leaves, turning yellow, orange, or red in the fall. Have 3 to 5 lobes.
• Stems: Twigs are typically red (sometimes green) and provide winter interest.
• Fruit: The green, winged fruit (samaras) may turn red.

• Other: Also called "Douglas' maple." Excellent native tree to use in place of Acer ginnala, the Amur maple.