Callistephus commonly known as China aster, Annual aster is an erect, bushy, fast-growing annual from stony slopes, wasteland and cultivated fields in China. The flowers are daisy-like, single, semi double or double up to 3-5 in. across (7-13cm) sometimes with quilled ray florets, mainly in shades of purple, violet blue, but also in crimson, rose-pink, white or occasionally yellow. Leaves are mid-green to 3 in. long (8cm). Flowers from late summer to autumn. In frost free sites they will bloom until midwinter. Low maintenance. Provides long lasting cut flowers.