Coral Bells Palace Purple, Heuchera micrantha, is a clump-forming perennial with beautiful, purple foliage. Palace Purple grows up to 12 inches tall and blooms with small, pinkish-white flowers in late spring. The plant prefers afternoon shade in areas with hot summers. Best foliage color occurs in cooler months, as hot weather may turn the leaves green. Palace purple makes an attractive addition to shady areas of the garden. Plant alongside ferns and other shade-loving plants.