saguaro and thornless cereus cactus in arizona front-yard

american arizona backyard blue boulder brown brownish cacti cactus cereus city cityscape cloudless columnar copy copyspace desert desert-like fence front-yard frontyard garden gravel green ground growth horticultural horticulture house landscape morning outdoor outdoors phoenix plants ribs saguaro sky southwestern space spikes spines stalks stems sunlit thorneless thornless thorns trichocereus urban usa vegetation vertically xeriscaped