Winterberry Holly, Black Alder 'Jim Dandy'

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
Grown for foliage
Deciduous
Height
6-8 ft. (1.8-2.4 m)
8-10 ft. (2.4-3 m)
Spacing
6-8 ft. (1.8-2.4 m)
8-10 ft. (2.4-3 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
Trees
Water Requirements
Foliage Color
Where to Grow
Bloom Characteristics
This plant is attractive to bees, butterflies and/or birds
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
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:

Indianapolis, Indiana

Vincennes, Indiana

Clermont, Kentucky

Georgetown, Kentucky

Louisville, Kentucky

Ithaca, New York

Glouster, Ohio

West Chester, Pennsylvania

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Featured Videos

Gardener's Notes:

3
positives
0
neutral
0
negative
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R
Downingtown, PA | February 2014 | positive

In southeast Pennsylvania this male cultivar usually is matched with the very similar 'Red Sprite' as the female berry bearer. Both culti...Read More

V
Scott County, KY (Zone 5b) | January 2007 | positive

'Jim Dandy' winterberry is a male plant necessary for pollination of all the wonderful fruiting female plants that have overlapping bloom...Read More

L
Ithaca, NY (Zone 5b) | October 2004 | positive

I have two of these winterberry bushes that reside at each corner of my back porch. They appreciate a little extra water during the summ...Read More

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