Donna Steele is a long time grower of daylilies. She lives in Wolsey, South Dakota near Huron and selects USDA Zone 4 daylilies for her nine beds of daylilies. Some of her beds are irrigated and others not. She is the president of the South Dakota Prairie Society around the state. She also hybridizes daylilies herself. See her tips for casual daylily gardener and information if you want to try more. Read about her at the link below. Thanks for your Plant Exchange visit. Please come again and see many topics about Zone 4 and 5a plants and the people who grow them. http://www.yankton.net/river_city/article_1626647a-025c-11e4-b5cf-0019bb2963f4.html