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

Cat whiskers

Plant Botanical Name: 
Orthosiphon stamineus
USBG Plant Location: 
Conservatory Room Location: 
Garden Court

A tropical plant native to tropical east Asia that can be used successfully as an annual in the Mid-Atlantic region. It will flower continously in full sun and average moisture.