US National Arboretum


News & Events

Please note our hours

The U.S. National Arboretum is open to the public seven days a week. The arboretum grounds are open daily from 8:00 am to 5:00 pm and the National Bonsai & Penjing Museum is open daily from 10:00 am to 4:00 pm.

Please see our Hours and Admission page for additional information. We look forward to seeing you at the National Arboretum, where science meets beauty.

Dr. Richard Olsen

New Director for the U. S. National Arboretum

We are pleased to announce the appointment of Dr. Richard T. Olsen as the Director of the USDA-ARS United States National Arboretum (USNA) in Washington DC, effective May 3, 2015. Dr. Olsen is currently a Research Geneticist and Lead Scientist in the Floral and Nursery Plant Research Unit (FNPRU) at the USNA. He served as Acting Director of the USNA in 2014 and most recently as Acting Assistant Director of the USDA-ARS Beltsville Agricultural Research Center.

Click here to read Dr. Olsen's bio


Bald Eagles Again Calling the Arboretum Home

For the first time in almost 70 years, the bald eagle is nesting at the National Arboretum. Absent from all of the District of Columbia until 2000, the bald eagle’s last known nest site in the city was on the top of the Arboretum’s Mount Hamilton. Read more here

self guided tour

Come to the Arboretum and learn how science meets beauty!

Create a bonsai, tour the Azaleas, learn to press plants in the Herbarium Workshop, and more! See all spring programs on our Calendar of Events..


Explore Grass Roots 

Learn about the uses and culture of all types of grasses at this new interactive outdoor exhibit.  Click here for details.

Azalea Blossom Watch
Updated 5/14/2015
Grass Roots Initiative
An outdoor exhibit, lawn care information,
turfgrass research, and more!
View Arboretum Calendar of Events
Strategic Plan
 "Rediscover the National Arboretum... 
   Where science meets beauty"
Arboretum Botanical Explorer
   Find a plant, tour a garden, and plan your visit

Arboretum Plant Introductions
View plants developed by arboretum
scientists and find one that's right for you!

A Proposed Classical Chinese Garden
at the U.S. National Arboretum.

U.S. National Arboretum
Visitor Guides:
Click here for Visitor Guide in Chinese
Click here for Visitor Guide in Spanish
Click here for intro to US National Arboretum in Korean
Click here for intro to US National Arboretum in Vietnamese
Click here for Visitor Guide in Japanese
Click here for Visitor Guide in English

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United States National Arboretum
3501 New York Avenue, NE; Washington, D. C. 20002-1958
Tel: 202-245-2726    Fax: 202-245-4575

The U.S. National Arboretum is a division of the
Northeast Area of the Agricultural Research Service of the U.S. Department of Agriculture

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Last Updated May 14, 2015 3:24 PM