Inkberry Holly, Gallberry 'Gem Box'

Ilexglabra

Family
Aquifoliaceae (a-kwee-foh-lee-AY-see-ee)
Genus
Ilex (EYE-leks)
Species
glabra (GLAY-bruh)
Synonym
Sun Exposure
Full Sun
Sun to Partial Shade
Foliage
Grown for foliage
Evergreen
Textured
Height
24-36 in. (60-90 cm)
Spacing
24-36 in. (60-90 cm)
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)
Bloom Color
Bloom Time
Other Details
Category
Perennials
Shrubs
Water Requirements
Average Water Needs; Water regularly; do not overwater
Foliage Color
Blue-Green
Where to Grow
Grow outdoors year-round in hardiness zone
Can be grown as an annual
Bloom Characteristics
Bloom Size
Other details
Soil pH requirements
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
Patent Information
Propagation Methods
Seed Collecting
Regional

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

Castle Rock, Colorado

Denver, Colorado

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Gardener's Notes:

0
positive
0
neutral
1
negative
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B
Castle Pines, CO (Zone 5b) | May 2021 | negative

I planted two of these last fall. Over the winter they died. They are marketed as a better alternative to boxwood but I don't think they'...Read More

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