Coarse branching habit. White, borne in showy round heads slightly over 1 inch in diameter. Dry seeds clustered in a head, greenish or red tinged in early autumn, disintegrating as winter approaches. Probably in every county. Flowers attract bees, butterflies and moths.
Deer browse the foliage and twigs.
Ducks, especially the mallard, eat the seeds. Wt to moist. Acid to neutral. Short lived and loses its form after a few years and must be cut back to let resprout.