Best Garden Flowers for Color All Summer

Also known as rose-mallow and swamp hibiscus, this garden standout was bred from wildflowers native to the East and South. Huge red, pink or white flowers can be as much as a foot across on stems that range from 2 to 8 feet high, depending on the variety. Flowers bloom from late spring until frost. Stems die back to the ground each winter.

Requires full sun; regular to abundant water. Grows as a perennial in zones 5-10.