As you journey through these desert landscapes, you'll see why cacti have become such powerful symbols of endurance and survival, capable of thriving in the harshest conditions. For example, saguaro ...

Between crested cactuses and the "four-arm flexing" cactus, Arizona's native flora can take some unusual shapes. Tucson even has the kissing cactus, which looks like a couple embracing. But the T-Rex ...

Despite being a low-maintenance flowering houseplant, the Christmas cactus can face plenty of problems. The most common of these issues include everything from a lack of blooms to root rot and limp ...