This slope was landscaped with boulders, with shrubs planted randomly amongst them. It is definitely more preferable to a barren hillside, but the addition of shrubbery with more color and texture will help enliven this palette.
10 low-maintenance perennials for the busy gardener! You can still have beautiful flower beds without spending a lot of time maintaining them. Look at this gorgeous lavender/purple/violet-colored perennial border!