Located just outside of St. Thomas, is Ontario Plants Propagation Limited, whose vision is to be Eastern North America’s prem ... ier supplier of greenhouse vegetable transplants. Ontario Plants Propagation Limited is founded in 2002. What started as a 6 acre greenhouse is currently a 36 acre greenhouse with 4 warehouses. In order to help our expanding business continue the path of growth, we are always looking for motivated and passionate people who like to work in a diverse team where we value each others efforts to accomplish our goals. read more