Ilex, English Holly
Ilexaquifolium 'Crassifolia'

Family: Aquifoliaceae (a-kwee-foh-lee-AY-see-ee)
Genus: Ilex (EYE-leks)
Species: aquifolium (a-kwee-FOH-lee-um)
Cultivar: Crassifolia

Category
Shrubs

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

Sun Exposure
Sun to Partial Shade

Foliage
Grown for foliage
Evergreen
Textured

Foliage Color
Dark/Black

Height
6-8 ft. (1.8-2.4 m)
8-10 ft. (2.4-3 m)
10-12 ft. (3-3.6 m)
12-15 ft. (3.6-4.7 m)

Spacing

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)

Where to Grow

Danger
Seed is poisonous if ingested

Bloom Color
White/Near White
Inconspicuous/none

Bloom Characteristics

Bloom Size

Bloom Time
Mid Spring

Other details

Soil pH requirements
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 semi-hardwood cuttings

Seed Collecting
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed