Photo by Melody

PlantFiles: Winterberry holly, Black Alder
Ilex verticillata 'Quitsa'

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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: Quitsa
Hybridized by Polly Hill; Year of Registration or Introduction: 1984

Category:
Shrubs

Height:
4-6 ft. (1.2-1.8 m)
6-8 ft. (1.8-2.4 m)

Spacing:
4-6 ft. (1.2-1.8 m)
6-8 ft. (1.8-2.4 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:
Deciduous
Smooth-Textured

Other details:
This plant is attractive to bees, butterflies and/or birds
Average Water Needs; Water regularly; do not overwater
Provides winter interest

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 ViburnumValley
Thumbnail #1 of Ilex verticillata by ViburnumValley

By ViburnumValley
Thumbnail #2 of Ilex verticillata by ViburnumValley

By ViburnumValley
Thumbnail #3 of Ilex verticillata by ViburnumValley

By ViburnumValley
Thumbnail #4 of Ilex verticillata by ViburnumValley

By ViburnumValley
Thumbnail #5 of Ilex verticillata by ViburnumValley

Profile:

1 positive
No neutrals
No negatives

Gardeners' Notes:

RatingAuthorContent
Positive ViburnumValley On Jan 25, 2012, ViburnumValley from Scott County, KY (Zone 5b) wrote:

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

'Quitsa' has handsome reddish fruit that color up well and are reasonably persistent. The fruit density is good, and makes nice indoor winter decorations as cut branches. It has been quite hardy and drought resistant here at the Valley.

This selection needs no additional assistance other than reasonable moisture during the driest times in the growing season. Like all winterberries, it prefers wetness and acid soils on the sandy side. I have none of these conditions here in central KY, yet I am rewarded amply and annually by the reliable performance of these plants.

Polly Hill left quite a legacy of horticultural endeavor at her property (formerly Barnard's Inn Farm, now Polly Hill Arboretum), and the series of winterberries she named rank up there with the showiest plants for landscape interest during those cold bleak months when gardens can seem too dreary to enjoy.

Regional...

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

Poplar Grove, Illinois
Clermont, Kentucky
Georgetown, Kentucky
Lexington, Kentucky
Louisville, Kentucky
Vineyard Haven, Massachusetts
West Tisbury, Massachusetts



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