A well behaved, unusual sedum that always gets a comment from visitors. Sedum repustre is a common bluish green sedum that spreads quickly, and the variety S. rupestre ‘Angelina’ is a well-known yellowish version that is almost invasive. Sedum rupestre f. cristata looks quite different, and does not spread very quickly. It makes a great rock garden plant and stays small enough to be suitable for a trough.