You can tell this plant is a star just by its flowers! Double white blooms have pointed petals, making each plant look as if it's covered in lacy panicles of thousands of stars. This showy plant adds drama to woodland gardens. The oak-like leaves turn burgundy in the fall, while the flowers turn pink. Gatsby StarĀ® grows 6' to 8' tall and wide in part to full sun. This oakleaf hydrangea blooms on old wood and is hardy to Zone 5.