桂花树叶茂而常绿,秋季开花,甜香四溢,是江南园林中园景树、孤立木或成丛、成林栽种而美化、香化园林的重要常绿乔木树种。大片栽种时,可用花提取香料,或供作蜜饯或糕点之用。由于桂花籽的壳又厚又硬,种子出苗率很低,所以,桂花的繁殖一般靠嫁接、扦插、 Sweet-scented osmanthus leaves are evergreen with evergreen, autumnal blossoms, sweet and overflowing, and are the most important evergreen tree species in landscape gardens, isolated trees or clusters, and forests planted and beautified. When a large piece is planted, flowers can be used to extract spices, or for use as candied fruit or cakes. As the osmanthus seeds are thick and hard, the seed germination rate is very low. Therefore, the reproduction of osmanthus flowers generally depends on grafting, cutting,