Bigleaf Hydrangea, French Hydrangea, Mophead 'Adria'

Hydrangea macrophylla

Family
Hydrangeaceae (hy-drain-jee-AY-see-ee)
Genus
Hydrangea (hy-DRAIN-juh)
Species
macrophylla (mak-roh-FIL-uh)
Synonym
Height
36-48 in. (90-120 cm)
Spacing
36-48 in. (90-120 cm)
Hardiness
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)
Sun Exposure
Sun to Partial Shade
Danger
Parts of plant are poisonous if ingested
Bloom Color
Magenta (pink-purple)
Bloom Time
Mid Summer
Foliage
Deciduous
Other Details
Other details
Propagation Methods
From softwood cuttings
From semi-hardwood cuttings
Seed Collecting
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed
Soil pH requirements
5.1 to 5.5 (strongly acidic)
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
Patent Information
Foliage Color
Bloom Characteristics
Water Requirements
Average Water Needs; Water regularly; do not overwater
Where to Grow
Regional

This plant is said to grow outdoors in the following regions:

San Francisco, California

Saint Petersburg, Florida

Spring Hill, Florida

Coos Bay, Oregon

Irmo, South Carolina

Featured Videos

Gardener's Notes:

0
positive
1
neutral
0
negative
Sort By:
Sort By:
L
Ithaca, NY (Zone 5b) | December 2004 | neutral

From the "Encyclopedia of Hydrangeas," (Van Gelderen -2004), the description reads: "A shrub of moderate growth. Flowers in flattened co...Read More

Featured
Kohleria 'Grape Juice'
Australian Lurcher
(Yoma sabina)
White-breasted Nuthatch
(Sitta carolinensis)
Featured
Kohleria 'Grape Juice'
Australian Lurcher
(Yoma sabina)
White-breasted Nuthatch
(Sitta carolinensis)