Breadcrumb Home Tippie News Walker Homestead Farm and Winery is 'a little bit of Napa in the middle of Iowa' Monday, May 9, 2022 Paula Reece | Des Moines Register https://www.desmoinesregister.com/story/entertainment/dining/2022/05/09/walker-… Walker Homestead Farm and Winery in Johnson County took root nearly 2,000 miles away, when Bob and Kristy Walker, both professors at the University of Iowa Tippie College of Business, were on a trip to Sonoma County, Calif.