Eupatorium cannabinum, commonly known as hemp-agrimony, or holy rope, is a herbaceous plant of the daisy family. It is a robust perennial native to many areas of Europe. It is cultivated as an ornamental and occasionally found as a garden escape in scattered locations in China, the United States and Canada. It is extremely attractive to butterflies, much like buddleia.If the genus Eupatorium is defined in a restricted sense (about 42 species), E. cannabinum is the only species of that genus native ...