Hours & Admission

The Arboretum grounds are open every day of the year except December 25 from 8 a.m. to 5 p.m.
Check out our 'new' Summer 2004 evening hours for selected Saturdays.

The Administration Building is open daily from 8 a.m. to 4:30 p.m. daily from November 1 to the end of February. From March 1 to October 31, the Administration Building is open from 8 a.m. to 4:30 p.m. on weekdays and from 8 a.m. to 5 p.m. on weekends. The Administration Building is closed on some federal holidays. Check our Home Page if you are visiting on a federal holiday to see if the Administration Building will be open.

The National Bonsai and Penjing Museum is open daily from 10 a.m. to 3:30 p.m., so plan to visit this collection first if you visit late in the day.

The Arbor House Gift Shop is open from March 1 through mid-December. Weekday hours are 10:00 a.m. to 3:30 p.m. and weekend hours are 10:00 a.m. to 5:00 p.m.

Click here for the Frequently Asked Questions page

The Arboretum is located in northeast Washington, DC, 2.2 miles from the Capitol. It is bordered on the west by Bladensburg Road, on the north by New York Avenue, and on the south by M Street. Visitor entrances are located on New York Avenue and on R Street.