China Aster (Callistephus chinensis) Syringa is a stunning annual flower known for its large, delightful large and excellent packed blossoms, similar as chrysanthemum, but much more beautiful! XXL flower diameter of approx. 12-15 cm, plant height approx. 60-70 cm! Plants with nice pyramidal growth and outstanding strong flower stems. Surpass all sets of previous series on the market in terms of durability.