Farm stand, exempt: Facilities for the sale of produce, wine and dairy products,
Farm stand, exempt: Facilities for the sale of produce, wine and dairy products, provided that either during the months of June, July, August and September of each year or during the harvest season of the primary crop raised on land of the owner or lessee, twenty five percent (25%) of such products for sale, based on either gross sales dollars or volume, have been produced by the owner or lessee of the land on which the facility is located, or at least twenty five percent (25%) of such products for sale, based on either gross annual sales or annual volume, have been produced by the owner or lessee of the land on which the facility is located and at least an additional fifty percent (50%) of such products for sale, based upon either gross annual sales or annual volume, have been produced in Massachusetts on land other than that on which the facility is located, used for the primary purpose of commercial agriculture, aquaculture, silviculture, horticulture, floriculture or viticulture, whether by the owner or lessee of the land on which the facility is located provided that all such activities may be limited to parcels of five (5) acres or more in area not zoned for agriculture, aquaculture, silviculture, horticulture, floriculture or viticulture.