Kiyosumi mountain hydrangea
Hydrangea serrata 'Kiyosumi'
RHS AGM 2012
USDA zones6 to 9
SunHandles full sun to partial sun
WaterHandles moderate to moist soil
- Growth rate
- Moderate
- Habit
- Clumping
- Bloom season
- Summer
- Soil types
- Sand, loam, clay
Garden uses
Attracts
Notes
'Kiyosumi' mountain hydrangea (Hydrangea serrata 'Kiyosumi') is a shrub for borders, cut flowers, specimen planting, and shade gardens. It is hardy to USDA zone 6, or down to -10°F (-23°C). This plant likes full or part sun and average to moist, sandy, loamy, or clay soil. It grows in a clump at a moderate pace. Flowers open from early to late summer and bring in bees.
Pairs well with Japanese forest grass, Blue Mouse Ears hosta, and Autumn fern.