China aster (Callistephus chinensis) Harlekin The blossoms with a diameter of approx. 5-6 cm contrasts in most varieties with a lightyellow centre of tube-shaped petals and the bright colours of the outer short reed flower petals. The plant with the pyramidal growth is approx. 65-70 cm high, with at least 20 flower stems, they can be cut as a one bouquet promptly or slowly one by one. Especially the strong green of the leaves gives the plants a healthy vital look. The ideal cut aster for romantic bouquets.