This very long-blooming native perennial has sprays of rounded white flowers July through September. Large strap-like leaves offer contrast to finer leaved plants, giving visual-grounding weight to the garden. A long-lasting cut flower. Contains quinine.
Full sun. Tolerant of part shade. Height 3-4’ in flower. Spread 3-4’. Average soils. Deer and rabbit resistant. Zones 3-9.