Tiarella cordifolia wherryi has all of the benefits of Tiarella cordifolia, but this one is a clump former.
An excellent groundcover, Tiarella consists of heart-shaped leaves and tiny white foamy-textured flowers. It requiers moist soils in full to part shade.
For more information on this plant, visit the USDA PLANTS Database: http://plants.usda.gov/java/profile?symbol=TICOC