Wormwood is a perennial plant that grows between three-five feet tall. The tall spikes are covered with lacy, silver foliage. The tips are covered in small pale yellow flowers all summer long. All the plants in the worm wood family are extremely bitter tasting. Parts Used: The whole herb (leaf, stem and flowering parts). Can be used in smudge blends, teas, herbal pillows, bath products, incense, etc. Packaged by weight, not volume in food grade ziplock baggies.