United States National Arboretum

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U.S. National Arboretum
U.S. National Register of Historic Places
The National Capitol Columns originally supported the old East Portico of the United States Capitol (1828). The columns were removed during expansion of the Capitol in 1958.
Location:	24th and R Sts., NE. Washington, D.C.
Added to NRHP:	April 11, 1973
NRHP Reference#:	73002122

The United States National Arboretum is an arboretum in Washington, D.C., operated by the United States Department of Agriculture's Agricultural Research Service as a division of the Henry A. Wallace Beltsville Agricultural Research Center. It was established in 1927 by an act of Congress after a campaign by USDA Chief Botanist Frederick Vernon Coville.

It is 1.78 km² (446 acres) in size, and is located 3.5 km (2.2 miles) northeast of the Capitol, with entrances on New York Avenue and R Street. Nine miles of roadways wind through and connect the numerous gardens and collections on the campus.

The arboretum functions as a major center of botanical research. It conducts wide-ranging basic and developmental research on trees, shrubs, turf, and floral plants. It has a library with 10,000 volumes and approximately 90 publications concentrating in botanical literature.

1 Gardens/Collections
- 1.1 Major garden features
- 1.2 Single-genus groupings
2 See also
3 External links

[edit] Gardens/Collections

[edit] Major garden features

Bonsai persimmon from the National Bonsai and Penjing Museum presented to President Reagan by the King of Morocco in 1983

Aquatic Plants Collection
Asian Collections
- Japanese Woodland
- Asian Valley
- China Valley
- Korean Hillside
Classical Chinese Garden (proposed), a new 12-acre garden designed by a joint team from China and the United States.
Flowering Tree Collection
- Flowering Tree Walk
The Friendship Garden and Arbor House
- Gift Shop
- Friends of the National Arboretum Office
- National Bonsai Foundation Office
Gotelli Dwarf and Slow Growing Conifer Collection
- Gotelli & Watnong Collections
- Spruces, Firs, Japanese Maples
Introduction Garden
National Bonsai and Penjing Museum
- Japanese, Chinese, North American, and International Pavilions
National Capitol Columns (see image above)
National Grove of State Trees, specimens of most of the U.S. State trees
National Herb Garden
- Historic Roses
- Knot Garden
- Specialty Gardens
Native Plant Collections ("Fern Valley")
- Fern Valley Woodland
- Prairie
- Southeastern Coastal Plain

[edit] Single-genus groupings

Azalea Collections
- Glenn Dale Azalea Hillside
- Morrison Garden
- Lee Garden
Dogwood Collection
- Dogwoods
- Anacostia River Overlook
Holly Collection
Magnolia Collection
Maple Collection
National Boxwood Collection
Perennial Collections
- Peony
- Iris
- Daylily
- Daffodil