In choosing plants for desert-landscaping you will want to consider ideas that use desert plants that please you. They can be anything from cactus and other desert plants to desert gardening which will add more color to your landscape.
Even landscaping in the upper Rocky Mountain area it is desert country. The difference is that in the south people often don't irrigate their lawns because of the cost of water. The sun is extremely hot, and water evaporates so fast that it isn't economical to have grass.
In the north, people will have lawns and more greenery because of irrigation. However, many people in the south will have a drip irrigation for their plants and then instead of grass, they will use rock in the lawn area.