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Bigleaf Hydrangea, French Hydrangea, Mophead 'David Ramsey'

Hydrangea macrophylla

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Hydrangea macrophylla by henryr10
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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
36-48 in. (90-120 cm)
Spacing
36-48 in. (90-120 cm)
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
Bloom Time
Late Spring/Early Summer
Mid Summer
Late Summer/Early Fall
Mid Fall
Foliage
Deciduous
Other Details
Other details

Unknown - Tell us

Propagation Methods
From herbaceous stem cuttings
From woody stem cuttings
From softwood cuttings
From semi-hardwood cuttings
From hardwood cuttings
Seed Collecting

Unknown - Tell us

Soil pH requirements
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
7.9 to 8.5 (alkaline)
Patent Information

Unknown - Tell us

Foliage Color

Unknown - Tell us

Bloom Characteristics
Flowers are good for cutting
Flowers are good for drying and preserving
This plant is attractive to bees, butterflies and/or birds
Water Requirements
Requires consistently moist soil; do not let dry out between waterings
Where to Grow

Unknown - Tell us

Regional

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

Townsend, Massachusetts

Saylorsburg, Pennsylvania

Wisconsin Dells, Wisconsin

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Gardener's Notes:

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2
positives
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neutral
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negative
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S
S
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

S
S
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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