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 ...

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 ...

These members of the genus Schulumbergea are endemic to a very small habitat along the southeast coast of Brazil. They grow in a series of coastal mountain ranges highly influenced by the proximity of ...

Brighten winter with the vibrant blooms of a Christmas cactus. Learn how to care for this tropical beauty and keep it flowering year after year.

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 ...

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 ...

The Christmas cactus is a hybrid epiphytic plant, prized for its flat, segmented green stems that gracefully spill over the ...

A Thanksgiving cactus needs darkness, cool nights, and limited watering for six weeks before the holiday to bloom on time.

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 ...