Bigleaf Hydrangea, French Hydrangea, Mophead 'Harlequin'

Hydrangeamacrophylla

Family
Hydrangeaceae (hy-drain-jee-AY-see-ee)
Genus
Hydrangea (hy-DRAIN-juh)
Species
macrophylla (mak-roh-FIL-uh)
Synonym
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
Scarlet (dark red)
Dark Blue
Blue-Violet
Foliage
Mid Summer
Other Details
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
Regional

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

Denville, New Jersey

Mount Laurel, New Jersey

Ozone Park, New York

Southold, New York

Wynnewood, Pennsylvania

Mount Pleasant, South Carolina

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Gardener's Notes:

1
positive
1
neutral
0
negative
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fel
Wynnewood, PA (Zone 7a) | August 2011 | positive

The blooms on this plant are marginal in my zone 6b/7a. It blooms on old wood only. The 7 year old plant in my front garden dies back e...Read More

L
Ithaca, NY (Zone 5b) | December 2004 | neutral

According to the authors of "Encyclopedia of Hydrangeas" (2004 - Timber Press), "A strong growing shrub with many thin, but firm branches...Read More

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