United States National Arboretum

The United States National Arboretum is an arboretum in Washington, D.C., and is 446 acres in size and is located 2.2 miles northeast of the Capitol building. It is 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.