Moth Mullein/Verbascum blattaria
Common, all summer, biennial, 1-4 ft. Erect, Common, all summer, biennial,
1-4 ft. Erect, sometimes branched stem from rosette
of leaves.etimes branched stem from rosette of leaves.
Verbascum blattaria, or moth mullein,is a flowering biennial herb belonging to the Scrophulariaceae (figwort) family. A native to Eurasia and North Africa, it has naturalized in the United States and most of Canada since its introduction and has become an invasive species there.It has been declared a noxious weed by the state of Colorado.