U.S. National Arboretum

The US National Arboretum is a federal research facility that features public gardens, leisure areas and educational programming for visitors free of charge.

The Arboretum is operated by the Agricultural Research Service of the US Department of Agriculture.  It encompasses 446 acres adjacent to a small portion of Anacostia Park along the Anacostia River.  The grounds include public art, including the columns that made up the East Portico of the original US Capitol building.

Visiting Hours

The Arboretum grounds are open every day of the year except December 25 from 8:00 a.m. to 5:00 p.m. Admission is free. The Visitor Center is open from 8:00 a.m. to 4:30 p.m. daily except for federal holidays November through February. Please note the Visitor Center will be open on January 1st but closed on January 2nd (holiday observed).

The National Bonsai & Penjing Museum is open from 10:00 a.m. to 4:00 p.m.daily except for federal holidays November through February, so plan to visit this collection first if you visit late in the day. Please note the Bonsai Museum will be open on January 1st but closed on January 2nd (holiday observed).

The Arbor House Gift Shop is open mid-March through December, Monday through Friday from 11:00 a.m. to 3:00 p.m and Saturday and Sunday from 10:00 a.m. to 5:00 p.m.

Learn more about the many events and programs offered on the US National Arboretum website.