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 National Arboretum’s grounds are open from 8am to 5pm every day of the year except for Christmas Day. The National Bonsai & Penjing Museum is open from 10 am to 4 pm 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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Intern at the Arb!
​Considering a career in horticulture or plant science? Learn more about internships at the Arboretum and apply before Jan 19!
Learn MoreWhat's New
Seasonal Restroom Closures
As of November 24, 2025, the restrooms in the Asian Collections and at the Grove parking lot have been closed for the winter and will reopen in the spring.
Accessible public restrooms are available every day at Arbor House (8am -...
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...