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

Living rock cactus grows extremely slowly ... living rock cacti are limited in where they can be found. They only live in the Big Bend region of West Texas, which is part of the Chihuahuan ...

Growing cacti from seed is relatively easy, though it can take anywhere from a few weeks to several months for them to start ...