Time of bloom: August to October.
Seed-time: September to November.
Stem one to five feet tall, stout, rigid, simple or branched above, gray with a fine rough-hairiness. Leaves oblong to ovate, thick, rigid, with prominent feather-veins, rough-hairy on both sides, usually obtuse, the lowermost sometimes a foot long with stiff petioles and slightly toothed, the upper ones short, rounded at the base, entire, and sessile. Panicle very large and showy, corymbose, densely many-headed, the heads very large for Goldenrod, about a third of an inch high, containing thirty or more florets, the rays seven to ten, spreading; bracts of the involucre obtuse, the outer row hairy. Achenes smooth, with fine bristly pappus.
Means of control the same as for Gray Goldenrod.