观赏草是非常理想的植物造景材料。它们生命力强、养护管理成本低、色彩丰富,叶片形式和质地多样、株高差异大,从15 cm至5m不等,较易形成各种景观。观赏草能适应多种土壤环境和气候条件。大多数观赏草耐寒性强,能露地越冬。此外,观赏草还具有耐旱、耐炎热等优点。因此,观赏草在我国园林绿化中逐步得 Ornamental grass is a very ideal plant landscape material. They have strong vitality, low cost of conservation and management, rich colors, varied leaf forms and texture, large differences in plant height, ranging from 15 cm to 5 m, making it easier to form various landscapes. Ornamental grass can adapt to a variety of soil environment and climatic conditions. Most ornamental grass cold resistance, can be exposed to the winter. In addition, ornamental grass also has drought, heat resistance and other advantages. Therefore, ornamental grass in our landscaping gradually get