Abstract:In recent years, Qianhai in Shenzhen has actively promoted both the environment and the greening with the characteristics of the bay area and achieved good landscape effects. Based on the field investigation and photo-recording of 95 flower scenes in the greenbelts of 12 arterial roads and secondary roads in Qianhai area, this paper summarizes the plant species, ornamental characteristics and growth adaptability of the flower scenes in the road greenbelts in Qianhai area, and analyzes the examples of flower landscape. The results show that there are 102 species belonging to 74 Genera and 38 families in the road green space of Qianhai area. Among them, herbs account for the largest proportion,most of them are red plants. Most plants grow well and are mainly distributed in traffic island, median divider and roadside green belt. Finally,based on the current situation of sustainability and ornamental, the paper proposes the optimization strategy of increasing blue and purple woody plants, and some suggestions of configuration design positioning