How a research facility in Leamington developed a top secret tomato that could take on the world Tomatonews How a research facility in Leamington developed a top secret tomato that could take on the world Michael Williams December 2, 2024 At a secret greenhouse in southwestern Ontario, operated by the Heinz ketchup empire, a technician turned on... Read More Read more about How a research facility in Leamington developed a top secret tomato that could take on the world