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United States National Arboretum

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United States of America - District Of Columbia - Washington

Institution Code: USNAR

International Agenda Registration: No

BGCI Member: No

About the United States National Arboretum

To serve the public need for scientific research, education, and gardens that conserve and showcase plants to enhance the environment.

Main Address:
United States National Arboretum
3501 New York Avenue, NE
District Of Columbia 20002-1958 United States of America

Telephone: (202) 245-4539
Fax: (202) 245-4574
Primary Email:

Staff Details

  • Director's Name: Dr. Richard T. Olsen, Director
    Curator's Name: Scott Aker, Gardens Unit Leader
    Plant Records Officer's Name: Kevin Tunison, Plant Records Officer
  • Total Staff:
    Horticultural Staff Number: 34
    Educational Staff Number: 15
    Research Staff Number: 43
    Administration Staff Number: 9

About the Garden

  • Institution Type: Botanic Garden
  • Status
  • Status: Private: No
    Status: State: No
    Status: Educational: Yes
    Status: Municipal: No
    Status: Satellite: No
    Status: Trust: No
  • Date founded: 1927
  • Physical Data
  • Natural Vegetation Area: Yes
  • Landscaped Area: Yes
  • Total Area: 181 Hectares
    Latitude: 38.9167420
    Longitude: -76.9649330
    Annual Rainfall: 998 mm
    Altitude: 0.00 Metres

Features and Facilities

  • Herbarium: Yes
    Herbarium: Number of Specimens: 650000
    Arboretum: Yes
    Arboretum Size: 180
  • Micropropagation/ Tissue Culture Facilities: Yes
    Seed Bank: Yes
    Published Plant Catalogue: No
    Computer Plant Record System: Yes
  • Open to public: Yes
    Friends society: Yes
    Retail Outlet: Shop: Yes
    Retail Outlet: Plant Sales: No
    Disabled access: Yes
  • Number of Visitors: 500000
    Number of Volunteers: 150

Plant Collections

  • Accession Number: 725000
  • Special Collections:Abies, Acer, Buxus, Cornus, Hamamelis, Hemerocallis, Hibiscus, Ilex, Iris, Lagerstroemia, Magnolia, Malus, Narcissus, Paeonia, Picea, Prunus, Pyracantha, Quercus, Rhododendron (Azalea), Vuburnum, dwarf conifers, bonsai, herbs, ornamental grasses, perennia
  • Invasive Species Monitoring: Yes
    Invasive Species Policy: Yes
    ABS Policy: Yes
    Plant Collection Policy: Yes

Conservation Programmes

  • Conservation Programme: Yes
    Medicinal Plant Programme: Yes
    Ex Situ Conservation Programme: Yes
    Reintroduction Programme: Yes

Research Programmes

  • Biotechnology: Yes
    Plant Breeding: Yes
    Conservation - Genetics: Yes
    Ecology: Yes
    Ecosystem Conservation: Yes
    Education: Yes
    Exploration: Yes
    Invasive Species Biology and Control: Yes
    Molecular Genetics: Yes
    Pollination Biology: Yes
    Restoration Ecology: Yes
    Seed/Spore Biology: Yes
    Sustainability: Yes
    Agriculture: Yes
    Land Restoration: Yes

Education Programmes

  • Visitor/Education Centre: Yes
    Education Signs in Garden: Yes
    Public Lectures/Talks: Yes
    Education Booklets/Leaflets: Yes
    Guided Tours: Yes
    Permanent Public Displays: Yes
    Special Exhibitions: Yes
    Courses for General Public: Yes
    Education Programme: Yes