Bigleaf Hydrangea, French Hydrangea, Mophead
Hydrangeamacrophylla 'Cityline Rio'

Height

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

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

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
Dark Blue

Foliage
Mid Summer

Other details
Deciduous

Propagation Methods

Seed Collecting
From softwood 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