Arnica flower, also known as Heterotheca inuloides, is native to Mexico. The flowers have been used in a wide variety of skin care products due to their skin loving qualities, it is said not to use this internally. The flowers are traditional picked at the summer solstice or midsummer's day. For magical uses, this herb may aid you in increasing psychic powers. 1lb. in flower form to be stored in a cool, dry place for up to a year.