The date palms along the lettered avenues keep their own calendar, and All Star Tree Service works to it. Ladders go up early, while the fronds still hold a little of the night's cool and the sun is no more than a rumor over the Gila Mountains. Down comes the dead skirt, out come the old seed stalks, and the trunk stands clean again under its collar of new green. In a valley this bright, a well-shaped tree is the difference between a yard you look at and a yard you can sit in. They take the trimming, the removals and the hauling, and sweep the drive so thoroughly you would never know a crew had been there.