Sunn hemp is the new, undisputed “Champ” when it comes to attracting Japanese beetles!

This summer, the Institute initiated an evaluation of Sunn hemp (Crotalaria juncea L.) as a potential cover crop for Wisconsin. A tropical, rapid-growing legume, it has demonstrated its ability to produce large biomass and nitrogen yields in the Southern U.S. and as far North as Illinois. It also has potential to suppress weeds because of […]