Hefty Seed to host an open house at its new location Thu, 11/08/2018 - 1:48am Hefty Seed Company, one of the nation’s largest ag retailers will be hosting an open house next Tuesday, November 13,PLEASE LOG IN FOR PREMIUM CONTENT. Our website requires visitors to log in to view the best local news. Not yet a subscriber? Subscribe today! Read more about Hefty Seed to host an open house at its new location