Aster flowers, known to some as Michaelmas daisies, are blue, white or pink in color, and they bloom in the late summer or fall. They grow on upright or mounding plants with lance-shaped leaves, and there are around 600 different varieties of aster plants.Continue Reading
Aster plants grow well in regions with cool and moist summers. Depending on the variety of the plant, they can grow anywhere from 8 inches to 8 feet in height.
These flowers often develop powdery mildew and rust diseases. Powdery mildew does no lasting damage to the plant, but it can be prevented by dividing the flowers during the autumn or spring or by applying insecticidal sprays and soaps during the growing season.Learn more about Outdoor Plants & Flowers