Aubrietia or Rock Cress is an extremely popular rock garden plant, and a familiar sight in the spring garden. It forms a low cushion of evergreen leaves, literally smothered by flowers for several weeks. This selection has velvety purple flowers over grey-green leaves, and will sometimes rebloom in the fall. Plants should be trimmed lightly immediately after blooming, to encourage a thick mounding habit. Excellent choice for a rock garden in sun or part shade, growing over rock walls, or in alpine troughs and other containers.