Western Europe
Northeastern United States, Mid-Atlantic United States, Southeastern United States, North-Central United States, Central United States, Canada
Dappled Shade, Sunny Edge, Woodland Garden Secondary
Dry areas, Lake Sides, riparian zones, Slopes, Upland
2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 14, 15, 16, 17, 18
A2, A3, H1, H2, 1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 15, 16, 17, 21, 22, 23, 24