They're as easy on the eyes as they are easy to grow. Meet 13 garden superstars that don't take a super amount of work.
Luckily, most coneflowers are hardy in a wide range of climates, with purple coneflowers (Echinacea purpurea) hardy in zones 3 through 8 and orange coneflowers (Rudbeckia fulgida) hardy in zones 3 ...