Winterberry holly, Black Alder 'Shortcake'

Ilexverticillata

Family
Aquifoliaceae (a-kwee-foh-lee-AY-see-ee)
Genus
Ilex (EYE-leks)
Species
verticillata (ver-ti-si-LAH-tuh)
Synonym
Sun Exposure
Full Sun
Sun to Partial Shade
Foliage
Deciduous
Provides Winter Interest
Smooth
Height
36-48 in. (90-120 cm)
4-6 ft. (1.2-1.8 m)
Spacing
24-36 in. (60-90 cm)
36-48 in. (90-120 cm)
4-6 ft. (1.2-1.8 m)
Hardiness
USDA Zone 3a: to -39.9 °C (-40 °F)
USDA Zone 3b: to -37.2 °C (-35 °F)
USDA Zone 4a: to -34.4 °C (-30 °F)
USDA Zone 4b: to -31.6 °C (-25 °F)
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)
Danger
N/A
Bloom Color
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
This plant is attractive to bees, butterflies and/or birds
Bloom Size
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
Non-patented
Propagation Methods
From softwood cuttings
From semi-hardwood cuttings
By simple layering
Seed Collecting
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed
Regional

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

Poplar Grove, Illinois

Clermont, Kentucky

Crestwood, Kentucky

Georgetown, Kentucky

Lexington, Kentucky

Louisville, Kentucky

Vineyard Haven, Massachusetts

West Tisbury, Massachusetts

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Gardener's Notes:

1
positive
0
neutral
0
negative
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Scott County, KY (Zone 5b) | January 2012 | positive

'Shortcake' Winterberry Holly is another one of many excellent plants evaluated and selected by the late Polly Hill of Martha's Vineyard....Read More

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