News & Events Please note our new hours! The Arboretum is now CLOSED every Tuesday, Wednesday, and Thursday because of the sequester cuts. We are open Friday through Monday, 8:00 am to 5:00 pm. Please see our Hours and Admission page for additional information. Exhibit: Satsuki Bonsai Azaleas of Old Japan May 25 – June 2, 10:00 am – 4:00 pm In Japan, it is said that the beauty of an azalea bonsai in bloom is like the beauty of a courtesan dressed in her finest brocade kimono. Don't miss these stunning bonsai covered with multicolored, full-sized flowers. Garden Classics – Lavender and Heritage Roses June 1, 1:00 – 4:00 pm Timeless beauty, intoxicating fragrance, and a multitude of herbal uses make these two of the most beloved plants in the garden. Learn all about them at this free drop-in event.
Strategic Plan Finalized  "Rediscover the National Arboretum...     Where science meets beauty"
Azalea Blossom Watch Updated 5/8/2013
Arboretum Botanical Explorer    Find a plant, tour a garden, and plan your visit
View Arboretum Calendar of Events
Arboretum Plant Introductions View plants developed by arboretum scientists and find one that's right for you!
Gardening Tips & Ideas at the U.S. National Arboretum.
Insect Pests in Urban Landscapes Experiment
A Proposed Classical Chinese Garden at the U.S. National Arboretum.
U.S. National Arboretum Visitor Guides:

Arboretum Information || Events & Education || Gardens & Horticulture || Research Activities Support the Arboretum || New Plant Introductions || USDA Plant Hardiness Zone Map || Comments Search Our Site 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 Beltsville Agricultural Research Center of the Agricultural Research Service of the U.S. Department of Agriculture Government System Usage Policy || USDA Nondiscrimination Statement || Privacy and Security Policy || Endorsement Disclaimer || Accessibility Disclaimer Last Updated May 23, 2013 9:43 AM URL= http://www.usna.usda.gov *###*