You might have been driving around Tucson these last few weeks and noticed our beloved saguaros have been sporting new hairdos. No, they're not growing baby avocados at the crown of their heads. These ...

Spring is a time of renewal, even in a seemingly harsh desert landscape. Flowers bloom, cacti bear fruit, and the warm air ...

An unusual number of the iconic cacti produced flowers and fruit in the fall this year, and scientists are trying to figure out why. It wasn’t every saguaro. It wasn’t even most of them. But it was ...

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 ...

TUCSON, Ariz. — Wildflowers sprung up all over the place at the start of spring and the month of May has seen an explosion of cactus flowers and saguaro blooms. A Saguaro National Park spokesperson ...

Death Valley National Park isn't the only place to catch this year's rare botanical phenomenon. Here are five other sites worth visiting.

Most people see their first saguaro (pronounced “sah-wah-roh”) cactus on television, perhaps in a cartoon or a Western movie. The signature plants of the Sonoran Desert, towering saguaro cacti ...

My colleague and I have published a new study of cactus flowers which may help explain the conundrum. For more than a century ...