Grow Zones: 5,6,7,8,9 Other Names: Oakleaf Hydrangea Seed Size: Very Tiny Hydrangea quercifolia, commonly known as Oakleaf Hydrangea, is a beautiful and easy-to-care-for flowering shrub that is native to the southeastern United States. It is a popular choice for homeowners and landscapers because of its showy, fragrant blooms and attractive foliage and can grow up to 10 ft tall. One of the most striking features of Hydrangea quercifolia is its large, cone-shaped flower clusters. The blooms from this variety are white, and these flowers can be as large as a basketball. They are sure to make a statement in any garden or landscape. Flowers bloom in mid to late summer and often persist into the fall. In addition to their striking appearance, Hydrangea quercifolia flowers are also known for their sweet fragrance. This scent is particularly strong in the evening and can add an extra element of enjoyment to your outdoor space. Hydrangea quercifolia plants also have attractive foliage. The leaves are large and have a unique shape that resembles that of an oak tree, hence the name "Oakleaf Hydrangea". The foliage can turn a deep shade of red in the fall, adding yet another element of interest to the plant.