Key Characteristics
• Mature Size: 40–45 ft tall | 25–30 ft wide
• Growth Rate: Moderate
• Form: Upright oval to rounded
• Fall Color: Consistent red to orange-red
• Lifespan: 40–60+ years with proper care
Planting & Care Considerations
• Full sun preferred for best color and structure
• Requires adequate rooting space for mature width
• Deep, infrequent watering during establishment
• Mulch and soil improvement recommended in clay soils
Why Sienna Glen Maple Works on the Front Range
• Improved branching structure over older Freeman maples
• Better cold hardiness and wind tolerance
• More consistent fall color than many red maples
• Performs well in urban and residential landscapes
Common Problems
• Iron chlorosis in high-pH soils
• Leaf scorch during extended heat and drought
• Stress if planted too deeply or over-irrigated
Best Use Scenarios
• Residential shade tree
• Front yards with moderate space
• Streetscapes with sufficient soil volume
Great Western Tree Care
Larkspur, CO Location
Mon - Fri: 8a to 5p
9575 Spruce Mountain Rd
Larkspur, CO 80118
(720) 535-8769
Aurora, CO Location
Mon - Fri: 8a to 5p
10730 E Bethany Dr
Aurora, CO 80014
(303) 913-7749