There are about 10 species of upright, leafy perennials in this genus. They occur damp habitats in China, Korea and Japan. They have alternate, linear-ovate to elliptic, sometimes toothed or smooth edged or pinnatifid leaves. They are grown for their panicles of white, sometimes violet or pink tinged flower heads with a yellow center appear from summer to fall. All species grow to be about 3-5’ feet tall. They are best suited to a wild or informal border.
They are easily grown in any average soil that moist in sun or partial shade, stake taller species and shelter from wind.