Institutional HSA Certified Holly Arboretums Test Centers
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.
GUIDELINES FOR Institutional HSA Certified Holly Arboretums Test Centers
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Reports are avaliable on the Membership Pages.
Bayard Cutting Arboretum
Great River, New York
USDA Hardiness Zone 7
bayardcuttingarboretum.com
Chollipo Arboretum
Taean-Gun, Chungchongnam-Do, Republic of Korea
USDA Hardiness Zone 7-8
bgci.org/garden.php?id=585
Clark-Landsbaum Deming Park Arboretum
Terre Haute, Indiana
USDA Hardiness Zone 5b
hollyfota.org/index_demingpark.htm
Colonial Williamsburg Arboretum & Gardens
Williamsburg, VA
USDA Hardiness Zone 7b
colonialwilliamsburg.org/explore/arboretum-gardens
Cylburn Arboretum
4915 Greenspring Ave, Baltimore, MD 21209
cylburn.org
The Dawes Arboretum
Newark, Ohio
USDA Hardiness Zone 5b
dawesarb.org
Hartman Arboretum
Evansville, IN USDA
Hardiness Zone 6b
arbnet.org/morton-register/hartman-arboretum
Heartwood Nursery, Inc. and Enviromental Preserve
Felton, PA
USDA Hardiness Zone 6b
heartwoodnurseryinc.com
Missouri Botanical Garden
St. Louis, Missouri
USDA Hardiness Zone 6b
mobot.org
The Morris Arboretum of the University of Pennsylvania
Philadelphia, PA
USDA Hardiness Zone 6
business-services.upenn.edu/arboretum/index.shtml
Jardin Arboretum d’Ilex
Formerly Arboretum des Pres des Culands Conservatoire National d’Ilex
Orleans, France
Planting Fields Arboretum
Oyster Bay, NY
USDA Hardiness Zone 7a
plantingfields.org
The Polly Hill Arboretum
West Tisbury, Martha’s Vineyard, MA
USDA Hardiness Zone 7a
pollyhillarboretum.org
Rutgers Gardens
New Brunswick, NJ
rutgersgardens.rutgers.edu
Sandhills Community College Ebersole Holly
3395 Airport Rd, Pinehurst, NC 28374
910-603-9582
USDA Hardiness Zone 7b
sandhillshorticulturalgardens.com
The Scott Arboretum of Swarthmore College
Swarthmore, Pennsylvania
USDA Hardiness Zone 6
scottarboretum.org
The Tyler Arboretum
Media, PA
USDA Hardiness Zone 6
tylerarboretum.org
University of Tennessee Arboretum
Oak Ridge, TN
forestry.tennessee.edu/arboretum.htm
The United States National Arboretum
Washington, DC
usna.usda.gov
University of Washington Botanic Gardens
Seattle, WA
USDA Hardiness Zone 8b
depts.washington.edu/wpa/general.htm
