USDA zones 11 and 12 The Garden Helper Hardiness zone maps hardiness zone Zone The Garden Helper USDA Hardiness Zone USDA Plant Hardiness Zones growing zone USDA Hardiness Zones USDA zones 11 and 12 What's Your Zone? http://www.thegardenhelper.com/hardiness.htm zone 7/8 or colder plant hardiness zones USDA zones 11 and 12