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HortLandmark Designation
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Recognizing excellence in horticulture has always been an important part of the mission of ASHS. Consequently, ASHS recognizes horticultural history with the designation of a site as an ASHS HortLandmark. This award is designed to commemorate sites of horticultural accomplishment, and are selected for historical, scientific, environmental, and aesthetic value.

What Is the Landmark Program?

The ASHS Horticultural Landmark Award was designed and initiated to commemorate sites of horticultural accomplishments, selected for historical, scientific, environmental, and aesthetic value. The program was initiated by Donald Maynard during his presidency in 1996–97. Since then, several significant Landmarks have been designated. ASHS Horticultural Landmarks are sites of public appreciation and interest, as well as a source of professional pride for horticulturists worldwide. They allow ASHS to recognize horticultural history in a public forum and provide incentive for future horticultural achievements. The award includes a beautiful, brass commemorative plaque. This large plaque is presented to site officials by the ASHS president and other officials in a formal ceremony at the site.

Depending on the nature of the site, general criteria for consideration include: permanence of site; proper documentation of the horticultural collection, including origins; an underlying scientific basis for collections; monitoring and labeling of plants; educational programs; and accessibility to the public.

Designated ASHS Horticultural Landmarks:

Montgomery Botanical Center
Missouri Botanical Garden
New York Botanical Garden
Monticello: Thomas Jefferson's Home and Gardens
Marjorie McNeely Conservatory at Como Park
Beltsville Agricultural Research Center-West
U.S. Botanic Garden
Royal Botanical Gardens
Luther Burbank Home and Gardens
Arnold Arboretum
The San Antonio River Walk
George Washington's River Farm
Fairchild Tropical Botanic Garden
Longwood Gardens
Rutgers Gardens
Bartram's Garden


Process to Nominate a Site as a HortLandmark:

Please fill out the form below to nominate a site. Please have all requirements ready in order to submit the application in full. You are not able to submit partial applications or come back to an incomplete application at a later time.

Information to be included in Nomination Package:
  • Name of nominated site
  • Street address of nominated site
  • Web address of nominated site
  • Description of the site
  • What are the unique features of this site
  • What contributions has this site made to horticultural science?
  • What contributions has this site made to public awareness and appreciation of horticultural science?
  • Additional comments and documentation may be included with the package.

Questions? Contact Angie Lower at



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