How to green hill section,formed by highway building,is a knotty problem.More than 20 species of wonderful vertical greening plants which are suitable for east area of China are selected,such as Parthenocissus tricuspidata,Trachelospermum jasminoides,Mucuna sempervirens,Campsis grandiflora,and so on.And Their growth characteristics,meirt and demerit,and greening effects are evaluated objectively.According to different slope,height,plane degree,ground substance and plant property,habital,this paper expoun...