Is cutting down a saguaro cactus illegal in Arizona? Yes. The giant saguaro cactuses are slow to grow and propagate, making the species a candidate for the list of endangered flora. Because of ...

Hutto discovered that saguaros growing near living nurse trees tended to have fewer arms, possibly because both species competed over water, but a saguaro next to a dead nurse tree was more likely to ...

The saguaro cactus is a distinctive icon of the American Southwest, found only in the Sonoran Desert. This towering plant, which can grow up to 60 feet tall and live for more than 200 years, is the ...

With over two million cacti dotting the landscape in southeastern Arizona, Saguaro National Park is a must-visit location any time of the year. But in the springtime, the saguaros and a variety of ...