Opening/ Closure Status

All outdoor gardens are currently open. The Conservatory and public restrooms remain closed, due to the closure of the U.S. Capitol campus buildings. Please monitor for updates on operating status. USBG resources can be accessed online, including educational materials, virtual tours, and online programs by visiting

Saharah Moon Chapotin, Ph.D.

Saharah Moon Chapotin
Executive Director

Dr. Chapotin is a plant scientist with a passion to educate people about the importance of plants and agriculture.

Prior to joining the USBG, Chapotin worked at the United States Agency for International Development (USAID), where she has served since 2006. Most recently, she was the Deputy Assistant to the Administrator at USAID's Bureau for Food Security.

She holds a bachelor of science in biology from Stanford University and a doctorate in plant physiology from Harvard University. Before her work with USAID, Chapotin completed fellowships at Iowa State University and the National Academies working on issues of biosafety policy, scientific communication, and national security. Earlier in her career, she conducted forest ecology and canopy biology research throughout the United States, Madagascar, and Costa Rica.