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Washington, D.C., District of Columbia / Parks and outdoors

United States National Arboretum

A sprawling 451-acre public garden and research facility in northeast Washington, D.C., featuring 16 major gardens and the renowned National Bonsai and Penjing Museum.

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United States National Arboretum
www.usna.usda.gov, website_hero_img_www.usna.usda.gov

What is the United States National Arboretum known for?

It is a premier scientific institution and public garden in northeast Washington, D.C., known for its distinctive landscapes, plant collections, and 16 major gardens. Notable attractions include the National Bonsai & Penjing Museum and the Capitol Columns.

Is it free to visit?

Yes, admission to the grounds and the museum is free of charge, and no tickets are required.

What are the hours?

The grounds are generally open daily from 8:00 a.m. to 5:00 p.m., except for Christmas Day. During the summer, weekday hours are extended until 8:00 p.m., while weekend hours remain 8:00 a.m. to 5:00 p.m.

What are the hours for the National Bonsai & Penjing Museum?

The museum is open daily from 10:00 a.m. to 4:00 p.m., with the exception of federal holidays from November through February.

Where is it located and how do I get in?

The Arboretum is located at 3501 New York Avenue NE, Washington, DC. There are two entrances: one at 3501 New York Avenue NE and another at 24th & R Streets NE off Bladensburg Road.

What should I check before going?

Use Gyde for context, then check official sources for current hours, tickets, construction, and closures.

What to know

The United States National Arboretum is a massive 451-acre public garden and research facility located in northeast Washington, D.C. Established by an act of Congress in 1927, the site serves as a premier scientific institution dedicated to the discovery, conservation, and understanding of plants. Its mission is to enhance the economic, environmental, and aesthetic value of ornamental and landscape plants through research and interpretive exhibits. Visitors can explore 16 major gardens, including the National Herb Garden and the National Boxwood Collection. A primary highlight is the National Bonsai and Penjing Museum, which offers a specialized look at the art of miniature trees. The grounds also feature the iconic Capitol Columns, which provide a striking visual contrast to the lush botanical collections. Access to the grounds is provided through two main entrances: one at 3501 New York Avenue NE and another at 24th and R Streets NE off Bladensburg Road. The facility is open daily from 8:00 a.m. to 5:00 p.m., with seasonal summer hours extending weekday access to 8:00 p.m. Admission to the grounds and the museums is free of charge, making it an accessible botanical sanctuary within the city.

Visitor tips

  • Enter via 3501 New York Avenue NE or 24th and R Streets NE for easier access.
  • The National Bonsai & Penjing Museum is open from 10:00 a.m. to 4:00 p.m. daily.
  • Plan your visit during the summer to take advantage of extended weekday hours until 8:00 p.m.
  • Visit the Arbor House for restroom facilities available throughout the grounds' opening hours.

Nearby context

Located in northeast Washington, D.C., the Arboretum is roughly 2.2 miles northeast of the U.S. Capitol, providing a quiet botanical retreat away from the bustling center of the city.

Sources

Evidence and links