Definition of XERISCAPE
A landscaping method developed especially for arid and semiarid climates that utilizes water-conserving techniques (as the use of drought-tolerant plants, mulch, and efficient irrigation).
But contrary to popular belief, it doesn't mean zero-scaping. There are many ways to plan a water-wise garden and still create the visual beauty all gardeners love to see. It's all about clustering different textures, colors, and heights in a visually attractive manner. Here are some examples:
Here are some links you might find useful: