Phoenix Perennials and Specialty Plants

Plant Search »

Hydrangea serrata ‘Kiyosumi’
Common Name: Mountain Hydrangea Family: Hydrangaceae (The Hydrangea Family)

'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.

Geogrpahical Origin:
Asia and the Pacific - Asia - China and Japan

Native Habitat:
Woodland to 1500 m in the mountains of central and southern Japan.

ClassDeciduous Primary Bloom ColourPink
TypeShrub Secondary Bloom ColourWhite/Cream
Height2-4' Bloom TimeSummer - Fall
Spread2-3' FragranceNo
Light ExposureShade Part Shade Part Sun Foliage ColourGreen Burgundy/Red/Purple
Soil MoistureAverage Stem Colour
Hardiness6-10 BerriesNo
BC NativeNo

  Email This Info
  View All Plants of this Genus

*The Plant Encyclopedia is updated each year to provide a close representation of our selection. Not all plants will be in stock at all times. If a certain plant is not available we might have a similar cultivar. We encourage you to email us at info at or call ahead to check availability (604) 270-4133.

Contact Us | Home | © Phoenix Perennials