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 www.USBG.gov for updates on operating status. USBG resources can be accessed online, including educational materials, virtual tours, and online programs by visiting www.USBG.gov/AtHome.
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.