This week, the Hill Country meadows are punctuated with purple exclamation points. This lavender beauty is gayfeather (Liatris spicata), or blazing star, also called snakeroot and colic root. Mrs. Grieve, in her Modern Herbal (not so modern: 1929) reports that the plant was used as a diuretic, as a topical treatment for sore throat, to treat snakebite, […]