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PlantFiles: American Holly
Ilex opaca 'Clarendon Spreading'

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Family: Aquifoliaceae (a-kwee-foh-lee-AY-see-ee) (Info)
Genus: Ilex (EYE-leks) (Info)
Species: opaca (oh-PAK-uh) (Info)
Cultivar: Clarendon Spreading
Hybridized by Patricia Joseph; Year of Registration or Introduction: 1957

One member has or wants this plant for trade.

Category:
Trees

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

Spacing:
8-10 ft. (2.4-3 m)
10-12 ft. (3-3.6 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)
USDA Zone 9b: to -3.8 C (25 F)

Sun Exposure:
Full Sun
Sun to Partial Shade
Light Shade

Danger:
Plant has spines or sharp edges; use extreme caution when handling

Bloom Color:
White/Near White

Bloom Time:
Late Spring/Early Summer

Foliage:
Grown for foliage
Evergreen
Shiny/Glossy-Textured

Other details:
This plant is attractive to bees, butterflies and/or birds
Flowers are fragrant
Average Water Needs; Water regularly; do not overwater
Provides winter interest

Soil pH requirements:
4.6 to 5.0 (highly acidic)
5.1 to 5.5 (strongly acidic)
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)

Patent Information:
Unknown - Tell us

Propagation Methods:
From hardwood cuttings
By grafting

Seed Collecting:
Remove fleshy coating on seeds before storing
Properly cleaned, seed can be successfully stored
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed

Click thumbnail
to view:

By ViburnumValley
Thumbnail #1 of Ilex opaca by ViburnumValley

By ViburnumValley
Thumbnail #2 of Ilex opaca by ViburnumValley

Profile:

1 positive
No neutrals
No negatives

Gardeners' Notes:

RatingAuthorContent
Positive ViburnumValley On Jan 28, 2007, ViburnumValley from Scott County, KY (Zone 5b) wrote:

'Clarendon Spreading' is a low spreading form of American holly selected at Clarendon Gardens in Pinehurst NC. It is a female plant which bears vivid reddish orange fruit. A five foot tall plant will be about 10 feet wide or more.

Regional...

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

Clermont, Kentucky
Georgetown, Kentucky
Louisville, Kentucky



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