Key Characteristics
• Mature Size: 6–10 ft tall | 6–10 ft wide (varies by cultivar)
• Growth Rate: Moderate
• Form: Upright to rounded deciduous shrub
• Flower Color: White aging to pink (mid–late summer)
• Bloom Type: Large cone-shaped flower panicles
• Lifespan: 40+ years with proper care
Planting & Care Considerations
• Full sun to partial shade (afternoon shade helpful in hot sites)
• Requires consistent moisture during establishment• Mulch helps conserve soil moisture and protect roots
• Prune in late winter or early spring if size control is needed
Why Panicle Hydrangea Works on the Front Range
• Most cold-hardy hydrangea type for Colorado
• Blooms on new wood—reliable flowering after winter
• Tolerates alkaline soils better than other hydrangeas
• Strong late-summer color when few shrubs are blooming
Common Problems
• Leaf scorch during extreme heat or drought
• Flopping branches on some cultivars without pruning
• Generally very low pest and disease pressure
Best Use Scenarios
• Foundation and mixed shrub borders
• Accent shrub with late-season interest
• Residential landscapes needing summer bloom
• Sites with supplemental irrigation
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