The Olive Tree (Olea Europaea 'Mission') is an excellent ornamental indoor tree with a gray-barked trunk that becomes gnarled and knobby with silvery-leafed branches. This tree boasts the smallest pits and is a cold-resistant variety. Harvesting for table olives will start in late October through November. Oil production occurs from mid-December through February, and the olives are harvested. Enjoy this delicious olive for all your recipes. It grows 20-30 feet tall and 15-18 feet wide.