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An organization recognized by the Holly Society of America as an official Holly Arboretum or Experimental Test Center is a public or semi-public institution that educates plant lovers in the use of holly in the landscape and that complies with set HSA guidelines. Its holly collection is properly labeled and it maintains accurate records of its hollies so that each plant can be identified by location, valid name, source, date received, size or age when received, and other pertinent facts. Annual reports submitted by Official Holly Arboreta and Experimental Test Centers are included in the Holly Society Journal.
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Bernheim Arboretum and Research Forest
Clermont, KY
USDA Hardiness Zone 6a
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Blue Ridge Community College
Flat Rock, NC
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Bokrijk Arboretum
Houthalen, Belgium
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Callaway Gardens
Pine Mountain, Georgia
USDA Hardiness Zone 7b
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Chollipo Arboretum
Taean-Gun, Chungchongnam-Do, Republic of Korea
USDA Hardiness Zone 7-8
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Clark-Landsbaum Deming Park Arboretum
Terre Haute, Indiana
USDA Hardiness Zone 5b
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The Dawes Arboretum
Newark, Ohio
USDA Hardiness Zone 5b
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Ebersole Holly Collection
Sandhills Horticultural Gardens
Pinehurst, NC
USDA Hardiness Zone 7b
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Missouri Botanical Garden
St. Louis, Missouri
USDA Hardiness Zone 6b
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The Morris Arboretum of the University of Pennsylvania
Philadelphia, PA
USDA Hardiness Zone 6
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The Polly Hill Arboretum
West Tisbury, Martha’s Vineyard, MA
USDA Hardiness Zone 7a
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Planting Fields Arboretum
Oyster Bay, NY
USDA Hardiness Zone 7a
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Rutgers Gardens
New Brunswick, NJ
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The Scott Arboretum of Swarthmore College
Swarthmore, Pennsylvania
USDA Hardiness Zone 6
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The Tyler Arboretum
Media, PA
USDA Hardiness Zone 6
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University of Tennessee Arboretum
Oak Ridge, TN
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The United States National Arboretum
Washington, DC
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The Washington Park Arboretum
Seattle, WA
USDA Hardiness Zone 8b
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