桂花又名木犀 ,是我国特产园林树种和香料植物 ,具有很高的观赏和实用价值。桂花在我国淮河以南广为分布 ,华北等地多以盆栽供观赏。桂花性喜温暖又好阳光 ,耐半荫 ,对土壤要求不严 ,以肥沃湿润、排水良好的砂质壤土最为适宜 ,耐寒力较强 ,但小苗略有冻害。主要品种有金桂、银 Osmanthus, also known as wood rhinoceros, is China’s specialty garden tree species and spices plants, with high ornamental and practical value. Osmanthus widely distributed in the south of the Huaihe River in China, more places such as North China for ornamental pots. Sweet-scented osmanthus like warm and good sunshine, semi-shade, strict requirements on the soil to fertile moist, well-drained sandy loam the most appropriate, strong cold hardiness, but slightly frost damage. The main varieties are Kim Gui, silver