Bigleaf Hydrangea, French Hydrangea, Mophead
Hydrangeamacrophylla 'Merritt's Blue'

Height

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

Hardiness
6-8 ft. (1.8-2.4 m)

Sun Exposure
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)
USDA Zone 8b: to -9.4 °C (15 °F)
USDA Zone 9a: to -6.6 °C (20 °F)
USDA Zone 9b: to -3.8 °C (25 °F)

Danger
Sun to Partial Shade

Bloom Color
Parts of plant are poisonous if ingested

Bloom Time
Light Blue

Foliage
Mid Summer

Other details
Deciduous

Propagation Methods

Seed Collecting

Soil pH requirements

Patent Information

Foliage Color

Bloom Characteristics

Water Requirements

Where to Grow
Shrubs