How large is the saguaro cactus?

The saguaro cactus (Carnegiea gigantea) is one of the defining plants of the Sonoran Desert. These plants are large, tree-like columnar cacti that develop branches (or arms) as they age, although some never grow arms. These arms generally bend upward and can number over 25. read more

The saguaro is the largest cactus in the United States. Most of the saguaros roots are only 4-6 inches deep and radiate out as far from the plant as it is tall. There is one deep root, or tap root that extends down into the ground more than 2 feet. read more

The saguaro cactus is the largest cactus in the United States, and will normally reach heights of 40 feet tall. The tallest saguaro cactus ever measured towered over 78 feet into the air. The saguaro cactus grows as a column at a very slow rate, with all growth occurring at the tip, or top of the cactus. read more

The saguaro cactus is a very unusual looking tree of the desert. Learn more about the saguaro cactus and see pictures from the Phoenix area. The saguaro cactus is a very unusual looking tree of the desert. read more