Ilex, American Holly
Ilexopaca 'Clarendon Spreading'

Family: Aquifoliaceae (a-kwee-foh-lee-AY-see-ee)
Genus: Ilex (EYE-leks)
Species: opaca (oh-PAK-uh)
Cultivar: Clarendon Spreading

Category
Trees

Water Requirements
Average Water Needs; Water regularly; do not overwater

Sun Exposure
Full Sun
Sun to Partial Shade
Light Shade

Foliage
Grown for foliage
Evergreen
Provides Winter Interest
Textured

Foliage Color

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)

Where to Grow

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

Bloom Color
White/Near White

Bloom Characteristics
This plant is attractive to bees, butterflies and/or birds
Flowers are fragrant

Bloom Size

Bloom Time
Late Spring/Early Summer

Other details

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

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