Hydrangea quercifolia Bartram
Oak Leaved Hydrangea, Oakleaf Hydrangea
Oakleaf hydrangea is native to North America.
Identification: Oakleaf hydrangea favors calcium-bearing soils and grows in open hardwood forests. Shrubs are up to 8' (2.4 m) tall, and about the same around. Bark is cinnamon-colored and felt-like, peeling when older. Leaves are dark green, opposite, lobed like oak leaves, longer than they are wide, up to 12" (30 cm) long. In the fall, the leaves are attractively colored, including a deep red-violet. Large (up to 12" (30 cm)) flower clusters contain many cream-colored, white or pinkish flowers. Individual flowers are about 1" (2.5 cm) around. Fruits are small brown capsules. See this Hydrangea comparison table.
Hydrangea quercifolia at the Ohio State University PLANTFacts database
Hydrangea quercifolia on Carolina Nature, from Will Cook
Hydrangea quercifolia on Hydrangeas! Hydrangeas!
Hydrangea quercifolia at the University of Florida Institute of Food and Agricultural Sciences
Hydrangea quercifolia at the University of Connecticut Plant Database
Hydrangea quercifolia description by Thomas H. Kent, last updated 12 Oct 2018.
Range: Zones 5-9: