Wild Hydrangea, Smooth Hydrangea, Sevenbark

Heat Tolerance: Light shade only in war summer areas

Sun Exposure: Full sun to light shade, blooms better with more direct sun

Origin: Eastern North America from Canada to Louisiana, on rocky river banks and ravines

Growth Habits: Small deciduous shrub, 3 to 6 feet tall (90-180 cm), 4 to 6 feet spread (1.2-1.8 feet); heart-shaped leaves, 4 to 10 inches long (10-25 cm)

Flowers: White flowers

Watering Needs: Regular water

Propagation: Cuttings, layering

Hydrangea arborescens in Curtis Botanical Magazine

'Annabelle' is only 4 feet tall (1.2 m) and has very large very white flowerheads. The flower stems often need to be staked.

Culture:
Cut to the ground at the end of winter

Propagation:
Flat-topped, loose, broad clusters of small white or greenish-white flowers, up to 10 inches wide (25 cm), with larger sterile flowers occasionally present along edges of cluster. It blooms in June and July on the current year's growth.