With the rapid development of social economy

people's living standard is improving

and people put forward higher requirements for their living environment. Ornamental grass is very important in landscape design

which can improve the landscape environment and enhance the greening effect. This paper analyzes the connotation and characteristics of ornamental grass

analyzes the application of ornamental grass in the garden of Sichuan Province

so as to enhance the design effect of garden landscape and improve the quality of urban environment.