It is in size, and is located northeast of the Capitol building, 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.
Major garden features
Aquatic Plants Collection
Classical Chinese Garden (proposed), a garden designed by a joint team from China and the United States.