Many people in the upper Midwest grew up on farms or in homes surrounded by shelterbelts of trees to protect from the sun, snow, and wind. The trees also provide shelter and food for birds and wildlife. But, where do all those shelterbelt trees come from and how are they produced? Host, Mary Holm visits with Blaine Martian, manager of Big Sioux Nursery in Watertown, SD to find those answers.