If you've ever noticed a tall plant with soft, velvety leaves growing along a roadside or in an open field, chances are you've met mullein (Verbascum thapsus). Often overlooked as a common "weed," mullein has been valued for centuries in traditional herbalism and is one of the easiest herbs to identify and work with. Where Does Mullein Grow? Mullein thrives in sunny locations with disturbed soil. You'll commonly find it growing in fields, meadows, roadsides, pastures, and vac