Although there are over fifty species of Heucheras (Coral Bells or Alum Root), only a handful are commonly available to gardeners. Heuchera species have different characteristics. A few commercial cultivars derive from a single species, but the majority are hybrids and have parentage from the following species.
Originally native to the Central U.S., H. americana withstands both hot and cold temperature extremes. The plant has a neat habit, and seems to prefer woodland locations. ‘Green Spice’ and ‘Marvelous Marble’ both have americana lineage.
Sometimes known as Roundleaf Heuchera, H. cylindrica exhibits green and/or white flowers that attract bees and butterflies. The flower stalks are quite rigid and can fare better in windy conditions. ‘Ginger Ale’ and ‘Hollywood’ both have cylindrica lineage.
The first heuchera commercially available and may be familiar from your grandmother’s garden. This species is native to the Southwest and can maintain its flowers even in dry, hot weather. ‘Lipstick’ and ‘Apple Crisp’ both have sanguinea lineage.
Hybrids with villosa parentage are recommended for the deep South, as they can survive very hot, humid conditions. They typically have large, hairy leaves. ‘Encore’ and ‘Frosted Violet’ have villosa lineage.
To purchase Heuchera varieties, please visit our Buy Heucheras Page. You can filter by species lineage.