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Ilex, American Holly 'Boyce Thompson Xanthocarpa'

Ilexopaca

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Ilex opaca by ViburnumValley
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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
Synonym
Sun Exposure
Full Sun
Sun to Partial Shade
Light Shade
Foliage
Grown for foliage
Evergreen
Provides Winter Interest
Height
20-30 ft. (6-9 m)
30-40 ft. (9-12 m)
over 40 ft. (12 m)
Spacing
15-20 ft. (4.7-6 m)
20-30 ft. (6-9 m)
30-40 ft. (9-12 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)
Danger
Plant has spines or sharp edges; use extreme caution when handling
Bloom Color
White/Near White
Bloom Time
Late Spring/Early Summer
Other Details
Category
Trees
Water Requirements
Average Water Needs; Water regularly; do not overwater
Foliage Color

Unknown - Tell us

Where to Grow

Unknown - Tell us

Bloom Characteristics
This plant is attractive to bees, butterflies and/or birds
Bloom Size

Unknown - Tell us

Other details

Unknown - Tell us

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
Non-patented
Propagation Methods
From hardwood cuttings
From seed; stratify if sowing indoors
By grafting
Seed Collecting
Remove fleshy coating on seeds before storing
Properly cleaned, seed can be successfully stored
Regional

This plant is said to grow outdoors in the following regions:

Bear, Delaware

Clermont, Kentucky

New Brunswick, New Jersey

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holly_grower
Bear, DE | May 2017 | positive

This is one of the best yellow-fruited American hollies. It has an abundant set of large, bright yellow fruit which contrast nicely with...Read More

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