The desert prickly-pear, known to botanists as Opuntia phaeacantha, is the Southwest's most widespread and abundant species of cactus. Unlike the giant saguaro (Carnegiea gigantea) that is restricted ...

Across Arizona, gardeners are rediscovering the joy of growing Christmas cacti that burst into color just in time for ...

Scientists discovered how to study cactus movement without harm - by measuring the silent sway of these desert giants using ...

You’re taking an epic road trip through the American countryside, taking in the sights of the cactus-studded Arizona fields of America’s Sonoran Desert, when you suddenly find yourself broken down ...

Bearing the state flower of Arizona, the saguaro cactus remains an essential part of the Sonoran Desert’s identity. The 40-60 foot-tall saguaro and its fruit are great natural resources for both ...

By analyzing the natural vibrations of a saguaro, scientists can study the cactus's insides without cutting them open.

The Chihuahuan Desert is the most biologically diverse desert in the Western Hemisphere, and one of the most diverse in the world. Over 175,000 square miles spanning northern Mexico, southwestern ...

For 40 years, John Thomas grew cacti, bromeliads, and more on his plantation.

The cacti arrive in buckets and cardboard boxes, in truck beds and plastic cups. Some are prickly green knobs smaller than a fist; others are saguaros a few feet tall—miniature versions of the ...