North America
China, Indonesia, Japan, Korea, The Hiamalayas
Not Available
Bigleaf hydrangea, Hortensia, Smooth hydrangea, Oakleaf hydrangea, Annabelle
Moist Soils, open Woodlands, Pine barrens, Swamps
Forest margins, Hillside, Woods
A1, A2, A3, 1a, 1b, 2a, 2b, 3a, 3b, 10, 16
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