The Shanghai Botanical Garden in Xuhui District will present a sea of flowers from Thursday with the opening of the Shanghai International Flower Show. The show will feature a courtyard display, a horticulture exhibition, diversified plant-related activities and 40 hectares of flowers, including peach blossom, tulip, peony and magnolia. The theme flowers of the exhibition are amaryllis and ranunculus asisticus, both featuring large petals and brilliant colors.