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Bigleaf Hydrangea, Lacecap
Hydrangea macrophylla 'Sea Foam'

Family: Hydrangeaceae (hy-drain-jee-AY-see-ee) (Info)
Genus: Hydrangea (hy-DRAIN-juh) (Info)
Species: macrophylla (mak-roh-FIL-uh) (Info)
Cultivar: Sea Foam
» View all varieties of Hydrangeas

Height:

4-6 ft. (1.2-1.8 m)

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:

Rose/Mauve

Violet/Lavender

White/Near White

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

Gardeners' Notes:

1
positive
0
neutrals
0
negatives
RatingContent
Positive

On Dec 3, 2004, lmelling from Ithaca, NY (Zone 5b) wrote:

From the sources "Hydrangeas for American Gardens," by Michael A. Dirr (2004), and "Encyclopedia of Hydrangeas" C.J. and D.M. Van Gelderen (2004 - Timber Press):

Older variety with Gray-green leaves that grows from 5' to 6' tall. Flowerheads are sparsely covered with ray-flowers, usually white to light blue or light pink. This cultivar is tender and needs protection in less suitable places, although it does well in seaside plantings. Supposedly close to wild subspecies H. macrophylla var. normalis, which was named by Wilson at the time of the introduction. Origin Japanese.

Flowers run from white in alkaline to mauve-violet in acid soil. No zone hardiness noted. AKA 'Maritima'