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 ...

A new study shows that demand for wild cactus and rare plants many soon surpass supply in the Chihuahuan Desert of Mexico and the US. Gland, Switzerland – Demand for wild cactus and rare plants by ...

An American desert icon is dying off in the southwestern United States. Experts say record-setting summers and intense droughts in Arizona are causing a well-known succulent to struggle. The saguaro ...

Signaling the end of spring, smoke trees in the desert washes become dotted with tiny bluish-purple blooms at the beginning of summer each year. The color is deep and distinct and has been revered by ...

Learn the five signs of an overwatered Christmas cactus, how to save it from root rot, and how to water correctly to prevent ...

The University of Arizona’s Data Diversity Lab gives researchers a new way to picture the future of life on Earth. By blending ecology, evolution and advanced data science, the lab creates tools aimed ...

The Saguaro National Park is found in the Sonoran Desert. This Park is home to the largest species of cacti. Find out more about this interesting desert and the scientists studying there at the ...

This project is the sixth land protection initiative that TPL has undertaken to intensify the beauty of the park and ...

With their tough skins, pointy armor and legendary stamina, cacti are made to defend themselves from whatever nature throws at them. But large solar energy facilities are one threat that cacti weren’t ...

One of the easiest ways to compare the differences between the various types of cacti and to learn how plants survive on steep, rocky slopes is on the Cactus Loop Trail. A nature-trail guide, ...