Europe, Western Asia
Northeastern United States, Mid-Atlantic United States, Southeastern United States, Canada
Dappled Shade, Shady Edge, Sunny Edge, Woodland Garden
Deep, Fertile bottom land, Hilly upland habitat, Well Drained
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 14, 15, 16
2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 14, 18, 19, 20, 21