Bigleaf Hydrangea, French Hydrangea, Mophead
Hydrangea macrophylla 'Cardinal Red'

Family: Hydrangeaceae (hy-drain-jee-AY-see-ee) (Info)
Genus: Hydrangea (hy-DRAIN-juh) (Info)
Species: macrophylla (mak-roh-FIL-uh) (Info)
Cultivar: Cardinal Red
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Height:

Unknown - Tell us

Spacing:

Unknown - Tell us

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:

Scarlet (Dark Red)

Bloom Time:

Unknown - Tell us

Foliage:

Deciduous

Other details:

Unknown - Tell us

Soil pH requirements:

Unknown - Tell us

Patent Information:

Unknown - Tell us

Propagation Methods:

Unknown - Tell us

Seed Collecting:

Unknown - Tell us

Foliage Color:

Unknown - Tell us

Bloom Characteristics:

Unknown - Tell us

Water Requirements:

Unknown - Tell us

Where to Grow:

Unknown - Tell us

Regional

This plant has been said to grow in the following regions:

Citra, Florida

New Bern, North Carolina

Norristown, Pennsylvania

Gardeners' Notes:

0
positives
1
neutral
0
negatives
RatingContent
Neutral

On Dec 1, 2004, lmelling from Ithaca, NY (Zone 5b) wrote:

According to Michael A. Dirr in "Hydrangeas for American Gardens," Cardinal Red AKA Cardinal has flowers of vibrant red in alkaline soil, blue-purple in acid soil. Leaves are dark green and lustrous, but the plant has minimal cold hardiness.