Ok I will give it one more try, assuming you are correct, and the company needs a zoning exception, on pages 198 to 211 there are 13 pages of businesses that operate in a type A, Agricultural zone. The list of businesses include a waste treatment facility, a canning company, a concrete and asphalt company, a pole barn manufacturer, a trucking company....the list goes on and on. So the Town of Lakeshore would have a hard time explaining why its ok to treat waste, produce asphalt and concrete, and can goods, but not ok to grow, harvest, package and deliver a plant. Also the property adjoining, up to route Highway 401, is coded blue for employment.
In the Agricultural zone, uses allowed section, they allow for processing and packaging product that is produced. See below
The following provisions shall apply to an agricultural use –
b) the majority of the product processed, preserved, packaged and/or stored
shall be from the farm;