Welcome to the U.S. National Arboretum

General Information

Admission to the US National Arboretum, including the National Bonsai & Penjing Museum, is free and no tickets are needed.

The National Arboretum’s grounds are open every day of the year except for Christmas Day. The National Bonsai & Penjing Museum opens daily from 10 am to 4 pm, except for federal holidays from November through February.

Extended Weekday Hours this Summer!

June 8 through August 28, 2026

Starting on Monday, June 8, visit the Arboretum on weekday evenings this summer! Thanks to support from the Friends of the National Arboretum, the Arboretum’s grounds will be open from 8 am to 8 pm on weeknights. Find all the details, including important information about hours of operation for our two entrance gates, at our Hours and Directions page.

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

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FONA Field Notes is the free weekly newsletter of the Friends of the National Arboretum. Sign up to stay in the know about everything happening at the Arboretum!