12 Top Midwest Perennial Flowers
The bright-gold flowers of Black-eyed Susans (Rudbeckia fulgida)stay in bloom more than a month beginning in August. Popular varieties include "Indian Summer" (shown here) and "Goldstrum." The spiky seed heads offer winter interest and bird food. Grow these no-maintenance beauties in full sun, and expect them to reach 3 feet tall and 2 feet wide.