Time of bloom: August to October.
Seed-time: September to November.
Range: Maine and Ontario to Montana, southward to Florida, Missouri, and Texas. Habitat: Moist soil; meadows, pastures, waste places.
Stem slender, two to five feet tall, smooth or the upper and younger parts finely hairy. Leaves firm, two to four inches long, somewhat rough-hairy, especially on the margins, narrow lance-shaped, with few and very short fine teeth along the sides or more often entire, pointed at both ends, sessile or slightly clasping or the lowermost ones tapering to petioles. Heads in loose, leafy panicles, each nearly an inch broad, with many violet or pale purple or sometimes nearly white rays; involucre top-shaped, its bracts nearly linear, closely appressed, acute and green-tipped. Achenes finely hairy with white pappus.
Means of control the same as for Purple-stemmed Aster.