宿根花卉种类很多,一般适应环境能力强,耐旱,耐寒,耐瘠薄土壤,病虫害较少,栽培方便较简单,因而近年来,各地园林绿化中广泛应用,大都收到了丰富园容、厂容、市容色彩,延长绿化美化时间,改善环境条件等较好的效果,但也较普遍地存在着忽视必要的科学管理或管理不够的问题,致使许多地方没收到 There are many types of perennial flowers, and generally adapt to the environment ability, drought, cold, barren soil, fewer pests and diseases, easy cultivation easier, so in recent years, widely used throughout the landscaping, most of them received a rich garden, plant capacity, The color of the cityscape, the time of greening and beautifying, and the improvement of the environmental conditions. However, there are also problems that the scientific management or the management that are not necessary are neglected. As a result, many places have not received