Bigleaf Hydrangea, French Hydrangea 'Penny Mac'

Hydrangea macrophylla

Family
Hydrangeaceae (hy-drain-jee-AY-see-ee)
Genus
Hydrangea (hy-DRAIN-juh)
Species
macrophylla (mak-roh-FIL-uh)
Synonym
Height
4-6 ft. (1.2-1.8 m)
6-8 ft. (1.8-2.4 m)
Spacing
4-6 ft. (1.2-1.8 m)
Hardiness
USDA Zone 4a: to -34.4 °C (-30 °F)
USDA Zone 4b: to -31.6 °C (-25 °F)
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)
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
Pink
Dark Blue
Lavender
Bloom Time
Late Summer/Early Fall
Foliage
Deciduous
Other Details
Other details
Propagation Methods
By dividing the rootball
From softwood cuttings
From semi-hardwood cuttings
From seed; direct sow outdoors in fall
From seed; winter sow in vented containers, coldframe or unheated greenhouse
From seed; sow indoors before last frost
Seed Collecting
Allow seedheads to dry on plants; remove and collect seeds
Soil pH requirements
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
Requires consistently moist soil; do not let dry out between waterings
Where to Grow
Regional

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

Alabaster, Alabama

Mentone, Alabama

Theodore, Alabama

San Diego, California

San Jose, California

Tampa, Florida

Lawrenceville, Georgia

Russell, Kentucky

Gonzales, Louisiana

Cary, North Carolina

North Augusta, South Carolina

Lexington, Virginia

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Gardener's Notes:

2
positives
0
neutral
0
negative
Sort By:
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S
San Diego-ScrippsR, CA (Zone 10a) | August 2007 | positive

I live in zone 9b-10 and I have had wonderful success with this hydrangea. It is the first and only one I've ever grown. No insect dama...Read More

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

Information from both "Hydrangeas for American Gardens," by Michael A. Dirr (2004) and "Encyclopedia of Hydrangeas" C.J. and D.M. Van Gel...Read More

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