Key Characteristics
• Mature Size: 8–10 ft tall | 8–10 ft wide
• Growth Rate: Moderate
• Form: Upright to rounded deciduous shrub
• Foliage: Deep burgundy-purple throughout the season
• Flower Color: White to pale pink (late spring)
• Bark: Exfoliating bark adds winter interest
• Lifespan: 40–60+ years under Front Range conditions
Planting & Care Considerations
• Full sun to partial shade (best foliage color in full sun)
• Avoid overwatering once established
• Periodic renewal pruning improves vigor and appearance
• Very adaptable to challenging sites
Why Diablo Ninebark Works on the Front Range
• Excellent cold hardiness and drought tolerance once established
• Performs well in alkaline and clay soils
• Reliable purple foliage without high maintenance
• Native-adjacent species with strong durability
Common Problems
• Occasional powdery mildew in shaded or crowded sites
• Minor leaf scorch during extreme drought
• Generally very low pest and disease pressure
Best Use Scenarios
• Accent shrub for foliage color
• Screens and informal hedges
• Xeric and low-water landscapes
• Mixed shrub borders and native-style plantings
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