Northeastern United States, Mid-Atlantic United States, Southeastern United States, Canada
Europe, Eastern Europe, Northern Europe, Southern Europe, Western Europe, United Kingdom, Mediterranean, Northern Africa, Western Asia
Bigleaf hydrangea, Hortensia, Smooth hydrangea, Oakleaf hydrangea, Annabelle
A1, A2, 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, 23, 24