USDA's U.S. National Arboretum in Washington D.C. Is a Research Facility, Public Park and Several Gardens
The U. S. National Arboretum in Washington, DC is not far from the Capital Mall. Visitors have an opportunity to get away from the crowds, see distinctive plant collections, walk the paths and learn about plants in a 446 acre park. There is also a tram tour. Close to the Visitor's Center and within easy walking distance are the Aquatic Garden and Koi Pond, Friendship Garden, the National Herb Garden, and the National Bonsai and Penjing Museum. (see a map of the grounds at http://tinyurl.com/2r2gc8) The Asian Collection includes a Japanese Woodland, Korean Hillside, Asian Valley and China Valley gardens. The Bonsai and Penjing Museum is a series of gardens and bonsai displays. The garden was started with a gift from the Japanese people in 1976. The oldest plant in the collection is a Japanese White Pine, which was started in 1625. Each garden is a collection of miniature garden scenes, shade loving plants and water features accented with Asian art, gateways and arbors. The Knot Gar...