The design of Chinese and foreign plant landscapes involves the integration of horticulture, landscape architecture, and cultural elements to create aesthetically pleasing outdoor spaces. This field includes the study of plant species, their growth habits, and their cultural significance in various regions. It aims to blend the unique characteristics of both Chinese and foreign plant species and design principles to create diverse and harmonious landscapes. Key aspects include site analysis, plant selection, spatial layout, and the incorporation of traditional and modern design techniques.