Aker, Scott M
Supervisory Research Horticulturist
U.S. NATIONAL ARBORETUM
3501 NEW YORK AVE., N.E.
Washington DC 20002
The mission of the Gardens Unit of the U.S. National Arboretum is to collect, display, document, evaluate, and introduce woody and herbaceous landscape ornamentals; to interpret plant collections, display gardens, and ARS and USNA research for the public through signage, exhibits, and programs; and to provide educational programs for gardeners and green industry professionals.