Hydrangea serrata Seaside Serenade Cape May is a sturdy, 3 foot tall and wide mountain hydrangea with gorgeous deep pink flowers in alkaline soils and blue flowers in acidic soils. Foliage develops burgundy tint in more light. Mountain hydrangea tend to be smaller than and perform better in zones 5 and 6 than Hydrangea macrophylla.
Asia and the Pacific - Asia - China and Japan
Woodlands to 1500 m in the mountains of central and southern Japan.