Photo by Melody

PlantFiles: Oakleaf Hydrangea
Hydrangea quercifolia 'Alison'

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Family: Hydrangeaceae (hy-drain-jee-AY-see-ee) (Info)
Genus: Hydrangea (hy-DRAIN-juh) (Info)
Species: quercifolia (kwer-se-FOH-lee-uh) (Info)
Cultivar: Alison

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Height:
8-10 ft. (2.4-3 m)

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

Hardiness:
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)

Sun Exposure:
Sun to Partial Shade

Danger:
Unknown - Tell us

Bloom Color:
White/Near White

Bloom Time:
Late Spring/Early Summer

Foliage:
Deciduous

Other details:
Unknown - Tell us

Soil pH requirements:
Unknown - Tell us

Patent Information:
Unknown - Tell us

Propagation Methods:
From softwood cuttings

Seed Collecting:
Unknown - Tell us

Profile:

1 positive
No neutrals
No negatives

Gardeners' Notes:

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

Information from both "Hydrangeas for American Gardens," by Michael A. Dirr (2004) and "Encyclopedia of Hydrangeas" C.J. and D.M. Van Gelderen (2004 - Timber Press).

'Alison' grows 8'- 10' high and is a clone discovered and named about the same time as 'Alice'. It is also broader spreading than 'Alice'. Found by Michael A. Dirr, on the Geogia campus and named after Alison Arnold, one of his master of science students.

Flowers late in May to early June (Athens, GA), and easy to root from cuttings. Flowers are 10 inches long (with some up to 12"), equal distribution of fertile flowers and showy sepals. The inflorescences are pyramidal and held more upright than 'Alice'. Foliage is lustrous dark green with stunning almost fluorescent red-burgundy fall color.



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