Ohio
State University Plant Dictionary

Scientific Name:
Boltonia asteroides
Family:
Bolton's Aster
Family:
Asteraceae (also known as Compositae)
Description:
Bolton's Aster, also known as Thousand-flower Aster or Boltonia, is the best white-flowering "aster" available with an upright growth habit. Its blue-green foliage and stems may be nipped back in mid-Summer to promote a more rounded growth habit and to eliminate leaning when in full flower.Black & White version for printing