随着我国城镇园林绿化事业的迅速发展,绿化的档次也在不断提高.在园林绿化布置上很讲究“色、香、位、形”的变化。大型绿地及庭园绿化均广泛选用色彩苗木来进行配色,并施以园艺手段进行造型,形成了丰富多彩、形状各异的地被。华北地区为干旱季风气候区,目前所使用的色彩植物多为落 With the rapid development of urban greening in our country, the grade of greening is also constantly improving.It emphasizes the change of color, smell, position and shape in the layout of landscape. Large-scale green space and garden greening are widely used color seedlings for color matching, and horticultural means for modeling, forming a rich and colorful, different shapes of the ground. North China is arid monsoon climate zone, the current use of color plants mostly fall