Tom Day Tree Service near Claremont, CA, is situated on the edge of Los Angeles County, and has an average high temperature of 76 degrees F and an average low temperature of 50 degrees F. This places it in the USDA Hardiness Zone 10a and the Plantmaps Hardiness Zone 9b. As a winner of the National Arbor Day Association’s award of Tree City USA for 22 years in a row, you can see that this area loves its trees. If you live in the Claremont, CA, area and have been thinking about planting fruit trees, you are not alone. Planting your fruit trees at the right time of year will give the trees the chance to establish their roots properly so that the fruit will be more plentiful.