What about fennel? Butterfly eople plant it to attract anise swallowtails, and people into natives pull it because it is a weed. How bad can it be? Sally Michael Gochfeld <gochfeld at EOHSI.RUTGERS.EDU> wrote in message news:1000121060912.ZM13262 at Gochfeld... > To the list of beneficial noxious weeds add the Knapweeds (Centaurea).