If you are in to collecting unusual plants, Platycerium should be in your top-ten list. This genus of unusual rather oddly-shaped ferns offers some extra ordinarily ornamental plants for both indoor and outdoor gardening.
Great success with planting a slope has to do with the types of plants you use. Here are some great tips, ideas and photos. For low maintenance, be sure to use drought tolerant plants! (Patio Step To Lawn)