The beautiful purple passionflower is renowned as an ornamental flower, but it has been touted as an effective herbal medicine in cultures around the globe for centuries.⁽¹⁾ The Aztecs of Mexico and South America used passionflower as a sedative and nerve tonic, a use which the Spanish conquistadors took back to Europe where use of passionflower has flourished.⁽²⁾ This article will focus on the use of passionflower for neurological concerns