Perform well when grown in a sunny spotAre cold-hardy to at least zone 5Exhibit nice colorAre in bloom (collectively) from one end of the growing season to another

Note carefully that the present list is meant to be distinct from drought-tolerant perennials. Some of the plants below will hold up well under dry conditions—but not all of them. Performing well in the sunshine with sufficient water is quite a different matter from a perennial’s tolerating dry soil. Beginners sometimes conflate these two characteristics.