'Kiyosumi' is a delicate and beautiful mountain hydrangea with lacecap heads of white flowers with pink picotee edges. The foliage is distinctively burgundy with deep veins when young and also if grown in some sun in summer. Found on Mt. Kiyosumi in Japan. Hydrangea serrata is like H. macrophylla but smaller in stature, foliage, and flowers making it perfect for quieter situations and small spaces. 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
Woodland to 1500 m in the mountains of central and southern Japan.