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Bigleaf Hydrangea, French Hydrangea, Mophead 'David Ramsey'

Hydrangeamacrophylla

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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

Synonym

Height

Unknown - Tell us

Spacing

36-48 in. (90-120 cm)

Hardiness

36-48 in. (90-120 cm)

4-6 ft. (1.2-1.8 m)

Sun Exposure

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)

Danger

Sun to Partial Shade

Bloom Color

Parts of plant are poisonous if ingested

Bloom Time

Pink

Dark Blue

Foliage

Late Spring/Early Summer

Mid Summer

Late Summer/Early Fall

Mid Fall

Other Details

Other details

Deciduous

Propagation Methods

Unknown - Tell us

Seed Collecting

From herbaceous stem cuttings

From woody stem cuttings

From softwood cuttings

From semi-hardwood cuttings

From hardwood cuttings

Soil pH requirements

Unknown - Tell us

Patent Information

Unknown - Tell us

Foliage Color

Unknown - Tell us

Bloom Characteristics

Unknown - Tell us

Water Requirements

Unknown - Tell us

Where to Grow

Shrubs

Regional

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

Townsend, Massachusetts

Saylorsburg, Pennsylvania

Wisconsin Dells, Wisconsin

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4 members have or want this plant for trade

Gardener's Notes:

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positives

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negative

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SpringwoodGrdns

Penn Hills, PA | June 2015 | positive

Probably not entirely identical to ES Original (Bailmer), because it doesn't bloom/rebloom quite as readily. I have two and they grow to ...Read More

SummerSun06

Townsend, MA (Zone 5b) | June 2010 | positive

DNA testing shows 'David Ramsey' to be identical to 'Endless summer'. It is essentially the non-patented version i.e. less expensive. I ...Read More

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Bigleaf Hydrangea, French Hydrangea, Mophead 'David Ramsey'

Hydrangeamacrophylla

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