Putting plaster of Paris over unsightly gashes and painting it green. Another issue is saguaros planted in gravel — which absorbs heat and acts as an oven, cooking the cactus from the bottom up.

Arizona's saguaro cactus has evolved to thrive in the extreme climate of the Sonoran Desert, but after decades of rising heat, even these towering icons are showing signs of stress.

A saguaro doesn’t start flowering—providing a vital food source and reproducing—until it’s more than 35 years old. Around age 50, the cactus starts growing arms, which also flower.

The beloved cactus, nearly 100 years older than Arizona itself, weathered generations of storms and droughts, until it toppled to the ground after August rains.

The saguaro cactus is an iconic symbol of the American Southwest. Behind its spiny structure, the cactus holds great natural and cultural significance in the desert environment.

A 200-year-old Saguaro cactus has fallen due to a powerful monsoon Catalina State Park officials in Arizona believe powerful monsoon rains brought it down last month. Its trunk has splintered and ...

Saguaro cactuses are Arizona's towering icons. However, only one holds the record for being the tallest ever measured. Here's what to know about it.

Saguaro cactuses are Arizona's towering icons. However, only one holds the record for being the tallest ever measured. Here's what to know about it.

Arizona's saguaro cacti, a symbol of the U.S. West, are leaning, losing arms and in some cases falling over as record-breaking extreme heat consumes the state, plant researchers say.. Summer ...

The superstar of the Sonoran Desert is the saguaro cactus. From a distance an observer might be forgiven for wondering why someone planted a line of slightly misshapen telephone poles.