Steve says: The more trees of any kind there are in the front yards the better. Acacia and palm appear to be the two most common. But the best source is Carolyn Masolini who truly is the neighborhood arborist.
Stan says: Hoover was actually born on St. Patrick's Day, but she isn't green. Adjust your monitor for best results.
Virgil apparently is in transit. We haven't heard from him lately. He's bringing the family to Tucson for spring break. He'd be happy to suggest tree species.