Two hydrangea species are considered native for U.S. East Coast and suitable for U.S.D.A Hardiness Zones 5-7. They are: H. quercifolia (oakleaf hydrangea) and, H. arborescens (smooth or wild hydrangea ...

Oakleaf hydrangea is a coarse-textured native deciduous shrub that works well as a planting under larger trees like oaks. It ...

while the Smooth Hydrangea and Oakleaf Hydrangea are native to the North American continent. These plants prefer moderate climates, with most growing best in USDA Zones 3-8. They tolerate colder ...

Native plants are well-suited to the local climate and have symbiotic relationships with other organisms in the area.