Mountain Hydrangea
Hydrangea serrata 'Wilson 7820'

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

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

Foliage Color:

Unknown - Tell us

Bloom Characteristics:

Unknown - Tell us

Water Requirements:

Unknown - Tell us

Where to Grow:

Unknown - Tell us

Regional

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

Baltimore, Maryland

Philadelphia, Pennsylvania

Arlington, Tennessee

Gardeners' Notes:

2
positives
0
neutrals
0
negatives
RatingContent
Positive

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

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.