Plant Height: 10 inches
Flower Height: 24 inches
Spacing: 10 inches
Hardiness Zone: 4a
Other Names: Coralbells, Alumroot
Obsidian Coral Bells features dainty spikes of light green bell-shaped flowers rising above the foliage from late spring to early summer. Its attractive crinkled lobed leaves emerge burgundy in spring, turning black in color with curious deep purple undersides the rest of the year. The fruit is not ornamentally significant.