Coral Bells, Northern Exposure™ Purple HeucheraNorthern Exposure Purple Heuchera is an evergreen herbaceous perennial with a mounding habit grown for its dramatic basal foliage. The round lobed leaves are a rich purple with dark veins and can earn a silvery overlay. Airy clusters of tiny shell pink bell like flowers bloom on dark spires in summer attracting butterflies. Blooms best in partial sun and moist well drained soils. The Northern Exposure series has improved cold tolerance and is rust