Smooth hydrangea-requires neutral to acidic, well-drained soils in partial shade; it will tolerate full sun only if grown with consistent moisture. It blooms on new wood and can be pruned back close to the ground in late winter to encourage vigorous stem growth. The wild hydrangea flowers are attractive to butterflies and other pollinators. Songbirds eat the seeds.
It is the host plant of the hydrangea sphinx moth. Black Walnut, Deer and Rabbit Resistant!