Terracing Use terraces to make flower and vegetable gardening possible on steep slopes or simply to add interest to your landscape. In your backyard Terraces can create several mini-gardens in your backyard. On steep slopes, terracing can make planting a garden possible.
Terraces prevent erosion by shortening the long slope into a series of shorter more level steps.
This allows heavy rains to soak into the soil rather than run off and cause erosion.