Tridens flavus has loose, wide-branching panicles and occurs in both moist and dry soils on open ground, prairies, fields, waste areas, ditches and roadsides. Brownish to rose-purplish flowers appear in mid-July in slender, dense, spike-like inflorescences which persist well into October.
Easily grown in average, dry to medium, well-drained soils in full sun. Tolerates wide range soils including heavy clay. Tolerates drought. Cut to the ground in late winter before new growth appears. May self-seed in optimum growing conditions.