The creamy white-and-yellow flowers of the saguaro open in sequence around the plant’s crown. On a bright spring day, a lone 28-foot cactus towered above the dusty scrub within Saguaro National ...

Cacti are a sort of succulent, but a succulent is not always a cactus. Find out more about this tropical plant and discover some amazing facts ... the stem of the saguaro cactus where the ...