Cyanin is a vegetable blue, or rose color, which reddens by the action of acids. Blue flowers are found to possess ... from the leaves of the yellow dahlia. Acids turn xanthein brown.
Dahlia flowers come in almost all the colors of the rainbow, even pale white and yellow varieties. However, there are no blue Dahlias and few purple varieties. Aside from variations in color and ...
Columnist Don Davis says unique flowers for Lynchburg gardeners to grow this year include Cupcakes Cerise Pink, a teacup-shaped flower featuring bright fuchsia pink petals.