Rudbeckia fulgida, also known as showy coneflower is a perennial wildflower native to southern Michigan. Plant reaches 3 feet tall and flowers from July to October with a yellow blossom. It is similar to Black-eyed Susans, but has a more dense growth habit and is longer lived. If you have trouble getting Black-eyed Susans to persist, try Showy Coneflower. It prefers full sun to partial shade, medium to dry soil and will grow in loam or sand.