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


WHAT IS BIODIVERSITY? Biodiversity is the variety of living things on Earth. It includes ecosystem diversity, species diversity, and genetic diversity. Did you know?Sometimes humans play an important part in creating ecosystem diversity. Native Americans set prairies on fire when hunting animals and clearing land. Tall grass and other prairie plants with deep roots survived the fires. The prairie grasses provided food for large herds of bison, which in turn supplied the Indians with food and hides for clothing and shelter.