Curly Leaf Waxleaf Ligustrum. This cultivar has become one of the most popular selections for a hedge or screen in a good portion of the South. The leaves are wavy and a very dark glossy green. Even without shearing, this plant will become quite dense. Being in the Olive family, it flowers in the spring with terminal white panicles of lilac-like flowers, which are later followed by black berries. This cultivar might be a few feet less in height at maturity than the species as far an its ultimate size, 10-12 feet.