Cool Planting A Vegetable Garden On A Slope Ideas. But steep slopes and banks can sometimes cause problems with planting plants. When preparing your soil for a raised vegetable garden, be sure to test the ph level to make sure it is in the proper range for vegetables.
One way to add interest and variety to your garden is by planting flowers on a slope. Groundcover plants with fibrous root systems, such as geranium, calluna;. Most vegetables prefer a soil ph of 6.5 to 7.0.
