The blue palo verde tree (Parkinsonia florida) is one of two native Arizona palo verde trees, the other being Foothills palo verde. Of the two, blue palo verde is larger and naturally grows in washes, ...

The yellow blossoms of the palo verde tree are as much a signature of spring in Tucson as cherry blossoms are in Washington, D.C. The palo verde is Arizona’s state tree and grows throughout the ...

Arizona is home to a vast number of beetle species, with estimates suggesting there are over 2,000 different species of beetles in the state. One common beetle you'll see in metro Phoenix is the palo ...