For fine white flowers we have the showy achilleas in variety and gypsophila paniculata, called baby breath as a common name.
"Trees, Fruits and Flowers of Minnesota, 1916" by Various
Achillea aegyptiaca, 3; A. filipendula, 4.
"Hardy Perennials and Old Fashioned Flowers" by John Wood
The Yarrows (Achillea) afford us a similar case.
"The Beauties of Nature" by Sir John Lubbock
Achillea Millefolium Yarrow or Milfoil.
"Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 3" by Various
Achilleas Zavallis/Agence France-Presse — Getty Images.
An achillea, a baptisia and a nierembergia are three of this year's Classic City Award-winning perennials in the Trial Garden at UGA.