Garden Closed

The United States Botanic Garden (USBG) is temporarily closed to the public to reduce the risk of transmitting COVID-19 coronavirus.

Whenever possible, the USBG will reschedule public programs and events originally scheduled during the closure period. Please monitor the USBG website for updates to operating status. Many resources can still be accessed online, including educational worksheets and manuals, fact sheets and more, and some of our programs will also be made available online. Find online resources at

Scarlet rosemallow

Plant Botanical Name: 
Hibiscus coccineus
USBG Plant Location: 
Conservatory Room Location: 
Conservatory Terrace
Full sun to part shade
Plant Soil Type: 
Most garden soil
Plant Moisture Requirements: 
Medium to wet

Sometimes called swamp hibiscus as is native to swamps and marshes in Alabama, Georgia and Florida, it is a vigorous woody perennial with showy red flowers. Blooming from mid summer through fall this is a great addition to a border planting or wet area. The flowers attract butterfies and hummingbirds and deer do not eat it.