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
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.
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What's New
Beginning March 31, 2025: Last Admittance at 4:30 pm
The US National Arboretum’s grounds are available to the public from 8 am to 5 pm every day except December 25th.
At 4:30 pm every day, the Administration Building/Visitor Center closes. Visitors needing a restroom after this...
Proposed Canopy Trail
The U.S. Department of Agriculture, Agricultural Research Service, U.S. National Arboretum (USNA) prepared an Environmental Assessment (EA) to analyze the potential impacts associated with the proposed construction and operation of...
U.S. National Arboretum Offers Solution to Hemlock Woolly Adelgid Pest
Title: U.S. National Arboretum Offers Solution to Hemlock Woolly Adelgid Pest
Hemlocks, Tsuga species, are evergreen trees that can be found in forested ecosystems and in landscape plantings. They are in the pine family and often...