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PlantFiles: Mountain Hydrangea
Hydrangea serrata 'Wilson 7820'

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Family: Hydrangeaceae (hy-drain-jee-AY-see-ee) (Info)
Genus: Hydrangea (hy-DRAIN-juh) (Info)
Species: serrata (sair-AY-tuh) (Info)
Cultivar: Wilson 7820

» View all varieties of Hydrangeas

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One member has or wants this plant for trade.

Height:
24-36 in. (60-90 cm)

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:
Unknown - Tell us

Bloom Color:
Violet/Lavender

Bloom Time:
Mid Spring

Foliage:
Unknown - Tell us

Other details:
Unknown - Tell us

Soil pH requirements:
Unknown - Tell us

Patent Information:
Unknown - Tell us

Propagation Methods:
From seed; direct sow outdoors in fall
From seed; sow indoors before last frost
By simple layering

Seed Collecting:
Bag seedheads to capture ripening seed
Allow seedheads to dry on plants; remove and collect seeds

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to view:

By wooffi
Thumbnail #1 of Hydrangea serrata by wooffi

By wooffi
Thumbnail #2 of Hydrangea serrata by wooffi

By jbgregg
Thumbnail #3 of Hydrangea serrata by jbgregg

Profile:

2 positives
No neutrals
No negatives

Gardeners' Notes:

RatingAuthorContent
Positive loritogo On Dec 10, 2011, loritogo from Philadelphia, PA wrote:

Beautiful, well behaved small hydrangea. Reseeds daintily in my garden. Never invasive. Pink in alkaline soil. Blue in acidic soil. Easy from seed also.

From what I've read this Hydrangea is a rare form collected by E. H. Wilson in Japan in 1914.

Positive wooffi On Jul 13, 2005, wooffi from Arlington, TN (Zone 7a) wrote:

Small cascading form up to 3 ft high, Light lavender lacecap. Did not notice this one until this year, coming out under much larger hydrangeas. A beautiful accent to as mixed hydrangea border.

Regional...

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

Baltimore, Maryland
Philadelphia, Pennsylvania
Arlington, Tennessee



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