Barbara L Bullock
Gardens Unit
Horticulturist
Barbara dot Bullock at ars dot usda dot gov
Phone: (202) 245-4511
Fax: (202) 245-5973
Room 136G
U.S. NATIONAL ARBORETUM
ADMINISTRATION
3501 NEW YORK AVENUE, NE.
WASHINGTON, DC, 20002-1958
Last Modified: 05/18/2013
