Aster Paeony Duchess Blue Callistephus Chinensis is one of the China Aster varieties and it is an annual flowering plant. Aster Paeony Duchess Blue produces extra large, fully double, blue flowers on a top of strong, 24-28 inches tall stems. There are 5-8 floral stems per plant. The bloom period is summer and fall until first frost. The Callistephus Chinensis flowers are fragrant, and they attract birds, bees and butterflies.
