White Ash (Fraxinus americana):  Upright, oval shaped crown. Foliage turns a deep purple color in early fall.  Seedless varieties include Nobility and Tuxedo.  Larger shade tree. Height: 15 m; Width: 9 m; Full sun. Zone 2

Photo Credits:
T. Davis Sydnor, The Ohio State University, Bugwood.org Keith Kanoti, Maine Forest Service, Bugwood.org