The late summer harvest of illegal marijuana is well under way by the OPP.
Police searched a farm in Grey Highlands on the South Line B in the former Osprey Township on Thursday.
Police located an indoor cannabis marihuana grow, and a second outdoor marihuana grow on the property.
Police seized the illegal drugs worth an approximate street value of over 1.5 million dollars.
Also seized was a motor vehicle.
Three Kitchener residents were arrested on scene and subsequently charged with Production of Cannabis Marihuana and Possession for the Purpose of Trafficking Cannabis Marihuana.
All three persons were held pending a bail hearing Friday at Owen Sound court.