Northeastern United States, Mid-Atlantic United States, Southeastern United States, North-Central United States, Central United States, South-Central United States, Canada
Eastern Europe, Southern Europe, Russia/Siberia, Southern Asia, Western Asia
Lower slopes, Open Plains, Prairies, Woodlands, Woods
Cold Regions, gardens
A3, 1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 24
1a, 1b, 2a, 2b, 3a, 3b, 6, 7, 14, 15, 16