Question: do saguaros only grow arizona?
Answer: Saguaro cacti, Carnegiea gigantea, only grow in the Sonoran Desert. However, they do not grow in all parts of the Sonoran Desert. This map represents the range of the Sonoran Desert (crosshatch) with an overlay of the range of the saguaro cactus (solid). ... Saguaros are also limited by elevation.