Windmill Farms

Windmill Farms is a premier grower of mushrooms, servicing retail, food service & wholesale customers across Canada and the United States. Each week, our cutting-edge facilities in Port Perry and Ashburn, Ontario, and Sunnyside, Washington produce over 1 MILLION POUNDS of fresh mushrooms—leveraging some of the most advanced production technologies in the world Windmill also owns and operates the largest fully enclosed organic composting facility in North America (Ashburn, Ontario) and a second composting facility in Sunnyside, Washington, both which contribute to our ability to produce consistently high-quality mushrooms. Windmill Farms’ best-in-class operations and exceptional customer service enable us to proudly supply healthy, fresh mushrooms to help feed communities from coast to coast.