Eastern Europe, Southern Europe, Russia/Siberia, Southern Asia, Western Asia
Europe, Middle Africa, Southern Africa, Southern Asia, Southeastern Asia
Bigleaf hydrangea, Hortensia, Smooth hydrangea, Oakleaf hydrangea, Annabelle
A1, A2, A3, H1, H2, 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