Answer: Hillsides generally offer a less hospitable environment for plants than do level gardens. Soil is usually shallow and poor, and it's hard to get water to penetrate deeply enough to promote strong, dense roots. You can help your plants succeed by amending the top 8" of the hillside with compost or other organic matter prior to installing new plants to give them a good start, and then watering regularly until the plants establish good root systems. The following suggestions are for plants that will provide attractive cover for slopes and help prevent soil erosion: Rosa rugosa, creeping rosemary, ivy, Lonicera japonica (Japanese honeysuckle), Star Jasmine, and Malephora (Ice Plant).
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