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.
A broadleaf evergreen in northern South America and the West Indies, Cardinal's guard is grown as an annual in areas outside USDA Zone 10-11. This plant has scarlet red flowers and prefers full sun, although tolerates part shade, humid summers and continuous, even moisture. If grown as a houseplant, reduce watering in the winter and keep in a sunny window.