Killing Cactus: Heat Too Much for Arizona’s Signature Saguaro When plants that have weathered desert heat for thousands of years start dying, you might have a problem. Share this: Share on Facebook (Opens in new window) Facebook Share on Reddit (Opens in new window) Reddit Share on X (Opens in new window) X Share on LinkedIn (Opens in new window) LinkedIn Print (Opens in new window) Print Email a link to a friend (Opens in new window) Email Like this:Like Loading…