For her small backyard, Californian Whitney Leigh Morris eschewed grass entirely, and filled the space with pavers and plantings. Lights strung above, and a tree growing by the fence, draw the eye up. See the full tour on Style Me Pretty.
Let's have hanging plants partially covering retaining walls. Also, use for upstairs balcony wall. Casuarina Glauca "Cousin It" Cousin It is a groundcover form of the tough, hardy Australian native sheoak.
Conostylis 'Silver Sunrise' is a fantastic low growing Australian native, famed for its soft silvery foliage. It stands in a dense clump, and looks most effective when planted en masse. During spring and summer, ‘Silversunrise’ is adorned with a spectacular display of yellow flowers held above the foliage on silver stems.