Opening/Closure Status

The grounds of the USBG will be closed September 18, 2021. On other days, 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

Hawaiian wormwood, Maui mugwort, or ʻĀhinahina

Artemisa mauiensis
Plant Botanical Name: 
Artemisia mauiensis
USBG Plant Location: 
Conservatory Room Location: 
Plant Threat Level: 

Maui mugwort (known in Hawaii as `Ahinahina or hinahina), is a Hawaiian endemic perennial subshrub grows only along cliff faces and in subalpine shrubland. It is strongly aromatic and resembles a garden favorite, Artemisia 'Powis Castle'. Like many Hawaiian endemic plant species, it faces peril due to both land development and nonnative plant and animal species. Hawaiians historically planted this Artemisia with native Acacia to discourage insects from infesting the seed pods.