0.5g (approx. 200 seeds). (Callistephus chinensis) Annual flowering plant, grows in strong, wide bushes up to 25-35 cm (10-14 in.) height. Terry inflorescences in a great variety of colors, diameter 5-8 cm (2-3in.). Use for flower beds, borders and as pot flowers for balconies and windows. Profuse blooms from early summer to fall. (Callistephus chinensis).