This study, which is grounded on landscape ecology, explores the application of natural fibers in sustainable garden landscapes. With bamboo and hemp fibers as experimental materials and plastic grids and concrete pavers as controls, the study examines soil physicochemical properties, plant growth, and other aspects and uses quantitative and qualitative indicators for analysis. Experimental results show that in the experimental group, the soil organic matter content is substantially increased, plant height growth is more optimal, pest and disease incidence is lower, insect species diversity is increased, and the landscape aesthetic score is higher compared with those in the control group. Natural fibers offer advantages in improving soil conditions, promoting plant growth, enhancing regional biodiversity, and optimizing landscape aesthetics. However, over a 24-month observation period, the physical durability of natural fibers is inferior to that of conventional materials, and their maintenance costs are higher. These findings provide a scientific foundation for the promotion of natural fibers in sustainable landscape design and highlight the challenges associated with their material performance.

landscape ecology, natural fiber, sustainability, landscape architecture