Long-lived polycarpic perennial
Roots yield dye in various shades of red on wool.
Source of plant
Well-Sweep Herb Farm, North American Rock Garden Society
Perennial reaching 2' in height; roots reddish; leaves linear, glabrous, borne in 4's and 6's, the marginsrevolute; flowers white or reddish.
USDA Hardiness Zone
other ethnobotanical uses