The Minnesota Landscape Arboretum is a 1,200-acre horticultural garden and arboretum located in Chaska, Minnesota. It is the Upper Midwest's largest public garden. It is part of the Department of Horticultural Science in the College of Food, Agricultural and Natural Resource Sciences at the University of Minnesota, and is open to the public every day of the year except Thanksgiving and Christmas. An admission fee is charged, and annual memberships are available. Wikipedia