Toronto police discovered a 1,200-plant grow-op after receiving a call about an early-morning break-and-enter in the city's east end.
Police discovered the marijuana plants at a residence, on Brimley Road, after they responded to the report on Wednesday.
There were pry marks on the home's garage door, police said.
Police obtained a search warrant, and seized the plants, along with other equipment.
No arrests have been made. Police are still investigating.
Anyone with information can contact Toronto police or Crime Stoppers.