USDA Zone 4 (-30°F) to USDA Zone 9 (20°F).
20" (51 cm)
Once a month
Weekly during dry spells
Remove spent blooms
Striking mahogany foliage contrasts beautifully with silver- or golden-leaved plants. Dainty, bell-shaped blooms are white to green on mahogany stems. An attractive accent in the garden or cut flower arrangement. 1991 Perennial Plant of the Year.