Black-eyed Susan. The sunny-yellow, easy disposition of this drought-tolerant perennial(Rudbeckia sp.) makes it a good choice for a dry, low-maintenance garden bed. After a few waterings to get the plants established, they'll be there for many summers to come. Hardy in USDA Zones 3 to 10.
Perennials That Need Infrequent Dividing : HGTV Gardens