Willow Tree Winery is a family-owned and operated boutique winery located in Ham Lake, Minnesota. Established in 2003, the winery grows over an acre of cold climate grapes for the wine that is made and sold on site only. The farm has been in the family for over 48 years and is available to rent for parties. The winery's tasting room is open Thursday through Sunday from 1:00pm to 5:00pm year-round, offering a variety of white and red wines as well as seasonal favorites.