Enjoy repeated blue or pink mophead flowers on a rounded shrub with generous mature size. Azure Sky™ Hydrangea blooms on both old and new wood, helping provide color throughout the season. Rich green foliage turns yellow in fall, while soil pH determines whether the flowers develop blue or pink tones.Growing Guide Sun Exposure: Part Sun USDA Hardiness Zones: 5 - 9 Mature Height: 5'–6' Mature Width: 5'–6' Spacing: 5' Soil: Rich, moist, well-drained soil Water Needs: Moderate Growth Rate: Moderate Plant Details Botanical Name: Hydrangea macrophylla 'COF HM1' Common Name: Azure Sky™ Hydrangea Plant Type: Deciduous Flowering Shrub Bloom Color: Blue(acidic), Pink(alkaline) Season of Interest: Summer, Fall Foliage: Deciduous Growth Habit: Rounded and Mounding Pollinator Friendly: Yes Key Features Blue or pink mophead flowers Blooms on old and new wood Rounded full-sized habit Yellow fall foliage Long summer-to-fall display Landscape Uses Foundation plantings Mixed borders Mass plantings Cut flower gardens Specimen plantings Planting & Care Tips Plant in part sun. Provide rich, moist, well-drained soil. Water consistently during establishment. Prune lightly after flowering if needed. Companion Plants Hydrangea Eclipse® Buxus Green Mountain Carex Everillo Hosta Blue Angel Liriope Big Blue Please Note: Our photos represent the variety you will receive. Because plants are living products, size and fullness may vary naturally with the season and stage of growth, while remaining true to the variety shown.