This suckering deciduous shrub forms a compact rounded habit that is normally wider than tall. It has large rounded dark green toothed leaves and the domed or flattened white flower heads appear from late spring to summer in succession.   

Hardiness zones 6 to 9 

Hydrangea arborescens is naturally found in eastern North America growing in well-drained organic rich soils that have reliable moisture. It grows in semi shaded to full sun but requires protection from hot drying sun and is drought tender but frost tolerant.

Snowhill Hydrangea and its cultivars are grown for their large showy flowers. They are planted in parks and gardens as a specimen in garden beds or in group plantings along borders. They are also used in mountain or coastal gardens preferring a cooler climate and establish in 1 to 2 years. They are also planted in small or cottage gardens tolerating some shade. ID 1582

Hydrangea (hy-DRAIN-juh) arborescens (ar-bo-RES-senz)

'Hydrangea': from Greek hydro + aggeion - water vessel;

Hydrangeaceae (hy-drain-jee-AY-see-ee)
Hydrangea and Mock Orange Family