Vervain is also an important material in dried flowers, capable of repelling bacteria. Other plants commonly used with vervain to make dried flowers include cinnamon, cloves, juniper, lemon, lavender, thyme, and sandalwood. In the past, vervain was used for inflamed eyes and thrush. With its citrus aroma, it is also known as lemon verbena, featuring a sweet lemon scent, and its essential oil is yellow-green in color.