Ilex, Japanese Holly, Boxleaf Holly, Box-leaved Holly 'Convexa'

Ilexcrenata

Family
Aquifoliaceae (a-kwee-foh-lee-AY-see-ee)
Genus
Ilex (EYE-leks)
Species
crenata (kre-NAY-tuh)
Synonym
Sun Exposure
Full Sun
Sun to Partial Shade
Foliage
Grown for foliage
Evergreen
Textured
Height
4-6 ft. (1.2-1.8 m)
6-8 ft. (1.8-2.4 m)
Spacing
36-48 in. (90-120 cm)
4-6 ft. (1.2-1.8 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)
Bloom Color
Pale Green
White/Near White
Bloom Time
Late Spring/Early Summer
Other Details
Category
Shrubs
Water Requirements
Average Water Needs; Water regularly; do not overwater
Foliage Color
Where to Grow
Bloom Characteristics
Bloom Size
Other details
Soil pH requirements
Patent Information
Propagation Methods
From softwood cuttings
Seed Collecting
Regional

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

Apex, North Carolina

Clyde, North Carolina

Morrisville, Pennsylvania

Pottstown, Pennsylvania

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Gardener's Notes:

1
positive
0
neutral
0
negative
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West Pottsgrove, PA (Zone 6b) | October 2006 | positive

A very dense, hardy shrub. Glossy green foliage, and a few, small, almost black berries about 1/4". The leaves are convex on top and conc...Read More

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