Riders in the 27 mile ride at the 19th Annual Tour of the Tucson Mountains ride west on Avra Valley Road past a brilliantly colored tree, Sunday morning, April 24, 2005. Photo by Chris Richards, Arizona Daily Star.

Chris Richards / Arizona Daily Star
They can easily live a century

The Foothills Palo Verde can live to be about 100 years old. Some can even age up to 400 years.