Photo by Melody

PlantFiles: Bigleaf Hydrangea, French Hydrangea, Mophead
Hydrangea macrophylla 'Holstein'

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

» View all varieties of Hydrangeas

One vendor has this plant for sale.

Height:
36-48 in. (90-120 cm)

Spacing:
6-8 ft. (1.8-2.4 m)

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)

Blue-Violet

Bloom Time:
Mid Summer

Foliage:
Deciduous

Other details:
Unknown - Tell us

Soil pH requirements:
6.1 to 6.5 (mildly acidic)

Patent Information:
Non-patented

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

Click thumbnail
to view:

By lortay
Thumbnail #1 of Hydrangea macrophylla by lortay

Profile:

1 positive
No neutrals
No negatives

Gardeners' Notes:

RatingAuthorContent
Positive lmelling On Dec 2, 2004, lmelling from Ithaca, NY (Zone 5b) wrote:

According to the authors of "Encyclopedia of Hydrangeas" (2004 - Timber Press)," A medium sized shrub up to 5'. the flowerheads are not very large, but single sepals are extremely large, up to 2.75", serrate. Color usually pink or sky blue. Flowering time is in August. Very free-flowering. Needs some shade for good results. Bred by H. Schadenforff, Germany, in 1928.

No hardiness zone given.



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