Welcome to the U.S. National Arboretum

General Information

The grounds of the U.S. National Arboretum are open from 8 a.m. to 5 p.m. every day of the year except for Christmas Day. The National Bonsai & Penjing Museum is open 10 a.m. to 4 p.m. daily except for federal holidays from November through February. Admission to the grounds and museum is free and no tickets are needed.

Join our Mailing List!

Click here to sign up for our mailing list. You’ll receive news from the National Arboretum, including about upcoming programs and events.

Interactive Map

Looking for a plant? Try our interactive map and living plant database search, and plant browser, the Arboretum Botanical Explorer (ABE), designed for large-screened devices.

Go to ABE

Love Native Plants?

Join us at the Lahr Native Plants Symposium & Sale on March 23rd! One of the Arboretum’s signature events returns for its 37th year.

Learn More