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

Blue paloverde

Blue paloverde
Plant Botanical Name: 
Parkinsonia florida
USBG Plant Location: 
Conservatory Room Location: 
World Deserts
Plant Threat Level: 

Blue paloverde, along with ironwood and jojoba, is characteristic of the Sonoran Desert florisitc region and is found from central and southwestern Arizona into southern California and Mexico. This spiny, small tree is leafless during much of the year and its photosyntheis is performed by its small blueish branches and twigs.