Mycorrhizal fungi are a vital part of ecosystems around the world — including to climate-threatened saguaros here in the ...

Over the last five years, researchers have found that the death rate for saguaros in the Phoenix area jumped from 1% to 2% every year, and is now closer to 7% ...

TUCSON, Ariz. (KGUN) — It’s that time of year when saguaros are blooming, so if you’re driving or walking in your neighborhood and come across a saguaro cactus flower, you might want to stop ...

The Brief. The iconic Saguaro cactus is struggling as heat and drought intensify in Arizona. With record-setting summers in 2020, 2023 and 2024, scientists at the Desert Botanical Garden are ...

PHOENIX – If you have ever been to Phoenix, Arizona, you’ve likely seen the saguaro cactus. They’re iconic, often towering 40 feet tall or higher, and are the largest cactus in the United ...

TUCSON, Ariz. • Cousins Tanisha Tucker Lohse and Maria Francisco set off from their desert camp around dawn on most early ...

Saguaro National Park is famous for its namesake giant cactus, but many might be surprised to learn that the park is home to an amazing variety of other cacti — 25 species in all.

Saguaro cactus fruit grow at the end of an arm during a harvest day for the Tohono Oʼodham people in Saguaro National Park near Tucson, Ariz., on Monday, June 23, 2025.