Mountain Hydrangea
Hydrangeaserrata 'Blue Billow'

Height

Spacing
36-48 in. (90-120 cm)

Hardiness
4-6 ft. (1.2-1.8 m)

Sun Exposure
USDA Zone 5a: to -28.8 °C (-20 °F)
USDA Zone 5b: to -26.1 °C (-15 °F)
USDA Zone 6a: to -23.3 °C (-10 °F)
USDA Zone 6b: to -20.5 °C (-5 °F)
USDA Zone 7a: to -17.7 °C (0 °F)
USDA Zone 7b: to -14.9 °C (5 °F)
USDA Zone 8a: to -12.2 °C (10 °F)

Danger
Sun to Partial Shade

Bloom Color

Bloom Time
Light Blue

Foliage
Mid Summer
Late Summer/Early Fall

Other details
Deciduous

Propagation Methods

Seed Collecting
By dividing the rootball
From softwood cuttings
From semi-hardwood cuttings

Soil pH requirements

Patent Information
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed

Foliage Color

Bloom Characteristics

Water Requirements

Where to Grow
Shrubs