The combination of extreme heat and sustained drought in the Sonoran Desert is taking a toll on our iconic saguaro cactuses ... to have an extremely shallow root system so they can quickly ...

Human-caused climate change driven primarily by the burning of fossil fuels is robbing the Sonoran Desert of the conditions needed to help baby saguaro take root and thrive. So, as the desert ...

(The largest species in North America is the giant cardon cactus ... Saguaros have an intricate root system. A single “taproot” grows straight down about five feet to access water that’s stored deep ...

One giant saguaro lies prone, with two huge trunks jutting out from a thick set of roots running parallel to the ground. Another still stands but it’s been sheared off at the top. Two big arms ...

TUCSON — The giant saguaro, an icon of the American West, is beloved in this state. Arms raised in a perpetual “hello there,” the saguaro covers the desert wilderness and thrives in cities.

An example of nature’s resilience is on display in Catalina State Park, as flowers have started blooming atop the one remaining living arm of a giant saguaro that collapsed last year.

Ecologists are optimistic a giant cactus in the Tonto National Forest, thought to be the second largest saguaro in the world ... "Some of the Grand One’s roots that are above ground do not ...

The pleated appearance of this cactus serves a very good purpose. When the saguaro grows, shallow roots spread out in a radial way under the ground, about three inches deep. A single tap root will ...

The giant saguaro known as the Grand One appears ... When it rained, soil was washed away near the saguaro, exposing the roots and leaving the Grand One vulnerable to toppling over.