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PlantFiles: Winterberry Holly, Black Alder
Ilex verticillata 'Stoplight'

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Family: Aquifoliaceae (a-kwee-foh-lee-AY-see-ee) (Info)
Genus: Ilex (EYE-leks) (Info)
Species: verticillata (ver-ti-si-LAH-tuh) (Info)
Cultivar: Stoplight
Additional cultivar information: (aka Hopperton)

One vendor has this plant for sale.

Category:
Shrubs
Trees

Height:
6-8 ft. (1.8-2.4 m)
8-10 ft. (2.4-3 m)
10-12 ft. (3-3.6 m)
12-15 ft. (3.6-4.7 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)

Sun Exposure:
Full Sun
Sun to Partial Shade

Danger:
N/A

Bloom Color:
White/Near White

Bloom Time:
Late Spring/Early Summer

Foliage:
Grown for foliage
Deciduous

Other details:
This plant is attractive to bees, butterflies and/or birds

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:
Remove fleshy coating on seeds before storing
Properly cleaned, seed can be successfully stored
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed

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to view:

By slyperso1
Thumbnail #1 of Ilex verticillata by slyperso1

By slyperso1
Thumbnail #2 of Ilex verticillata by slyperso1

By ViburnumValley
Thumbnail #3 of Ilex verticillata by ViburnumValley

By ViburnumValley
Thumbnail #4 of Ilex verticillata by ViburnumValley

No details have been posted.

Regional...

This plant has been said to grow in the following regions:

Vincennes, Indiana
Clermont, Kentucky
Georgetown, Kentucky
Heath, Ohio



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