California
Southeastern United States, South-Central United States, Mexico, Caribbean, Central America, South America, Argentina
Not Available
Bigleaf hydrangea, Hortensia, Smooth hydrangea, Oakleaf hydrangea, Annabelle
H1, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
H1, H2, 18, 19, 20, 21, 22, 23, 24