Seems like palm trees would be native to Arizona, but palm trees were brought in by immigrants who wanted reminders of their more tropical homes. The palms came from Mexico, Southern California ...

Prepare to see something wild and unexpected in this Arizona canyon, where a surprising tree defies the odds in the harsh and ...

Palm trees can be associated with beaches and water. So why does the desert have them? Find out in this episode of Valley 101, a Phoenix podcast.

Wildfires can burn and spread differently depending on what vegetation they burn. The two fires in northern Arizona have ...

Ponderosa (Pinus ponderosa): This tree is a giant — it can grow to 120 feet tall and needs 30 feet of ground space — and is found extensively in mountainous areas in Arizona.

How an environmentalist and a logger came together to save Arizona's forests 06:41. Our new series, Common Ground, highlights people who are setting aside partisan differences and solving problems.

How do you plant a tree? As the old joke goes, green end up. In Tucson, it’s a bit more complicated, and one big reason for that is caliche. Caliche is a hardened soil layer common to desert ...

PHOENIX - The Arizona Department of Transportation is restoring native vegetation along a newly opened freeway around the south side of metro Phoenix. More than 1,000 cactuses, trees and other ...