Innovation, scale, and sustainability
—
built into every square foot
Our Facilities
A network built for freshness, efficiency, and excellence
Windmill Farms operates across Canada and the United States, with high-tech growing and composting facilities that support our mission to deliver premium mushrooms with consistency and care.
Our Farms
1161 Scugog Line 6, Port Perry, ON
Windmill Farms (HQ)
Ontario Mushroom Farm (OMF)
Specializes in Cremini mushrooms.
1111 Midvale Rd, Sunnyside, WA
Sunnyside Mushroom Farm
Supplying the West Coast with precision and pride.
Produces over 12 million pounds of mushrooms annually
Built for efficiency and speed-to-market across the Western U.S.
Staffed by a dynamic, community-focused team
9760 Heron Road, Ashburn, ON
Greenwood Mushroom Farm
One of our longest-standing production sites.
Dedicated to delivering fresh mushrooms to retail, foodservice, and wholesale clients
Supports innovation through consistency and high-touch growing methods
OMF Compost
The only fully enclosed organic composting facility in North America
Supports both Ashburn and Manchester production.