Agents of Discovery Mission Now Available
Now you can learn about trees and nature while playing a fun game on your smartphone on your next visit to the National Arboretum!
Read moreWelcome to the U.S. National Arboretum
Effective immediately, the outside grounds of the U.S. National Arboretum (USNA) will be open daily to the public from 8 a.m. to 5 p.m. The National Bonsai & Penjing Museum and Administration Building will continue to be closed to the public.
Visitors are still required to follow all posted guidelines designed to maximize the safety and health of all visitors and employees. We will continue to monitor daily visitors and restrict total numbers, as necessary, to ensure everyone’s health and safety.
Looking for a plant?
Our interactive map, the Arboretum Botanical Explorer (or “ABE”), is the perfect tool for the job.
Find plants, benches, and more from the comfort of your home computer.
Go to ABE
What's New
Koi Return to the Administration Building Pool!
After nearly a decade away, about 20 koi are returning to the aquatic garden at the Arboretum’s Administration Building on September 24! Their new and improved home features updated, robust filtration and fountain systems to...
Have you tried our mobile app?
The U.S. National Arboretum mobile app will help guests navigate the vast grounds of the Arboretum via a digital map. A search feature will allow visitors to explore the collections and other features, learn about available visitor...