Although one species makes a fine landscape tree, privets are first and foremost hedge plants. They take well to shearing and can be clipped into almost any shape. In spring or early summer, all bear abundant clusters of showy, white to creamy white flowers that are highly fragrant. More @Wikipedia
Hover over any link to get a description of the article. Please note that search keywords are sometimes hidden within the full article and don't appear in the description or title.