The hardpan layer prominent at Tucson is not well developed. The winter annuals and the larger shrubs and cacti are absent. Most of the plants are perennial herbs. The root systems generally penetrate ...

A new study finds that the Sonoran Desert’s iconic cactuses are suffering, not only from prolonged drought but also from ...

Yet the Desert Botanical Garden is home to thousands of species of cacti, trees and flowers from all around the world. The garden's brightly colored plants sharply contrast the Sonoran Desert's ...

A local flower shop on Tucson's Eastside is preparing to deliver thousands of orders this weekend for Mother's Day.

Most of the time desert flowers are invisible, spending their lives as seeds waiting for just the right amount of moisture to germinate. Each variety has its own strategy. "Where rosette plants ...

While these iconic Arizona cactuses are special for many reasons — their beautiful flowers, their lifespan ... according to the Arizona-Sonora Desert Museum in Tucson. Over decades, saguaros can grow ...