|oz./1000 sq. ft.|
|USDA Hardiness Zone(s)|
This upland perennial is very adaptable and tolerant of heat, humidity, drought and poor soils. Plants are easily divided if overcrowded and usually re-bloom without deadheading. This was the most widely used medicinal plant of the Plains Indians. Roots are now grown for use in the herbal healthcare industry. It is also attractive to butterflies and birds, especially goldfinches.