Rue, Ruta graveolens, native to the Balkan peninsula and Crimea, naturalized in south central Europe. Traditionally, the herb is gathered before it comes into flower. However, gardeners must approach this plant with caution, as it can cause contact dermatitis or photosensitization.

Thirty-five images of Rue, Ruta graveolens, native to the Balkan peninsula and Crimea, naturalized in south central Europe. Traditionally, the herb is gathered before it comes into flower. However, gardeners must approach this plant with caution, as it can cause contact dermatitis or photosensitization.