Hybrid origin
North America, United States, Northeastern United States, Mid-Atlantic United States, Southeastern United States, Canada
gardens, Hillside, Riverbanks, Warmer regions, Wet forest
gardens, Hardwood forests
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10