A farmer in western Pennsylvania found 150 marijuana plants growing right alongside corn on his farm, police say. The farmer won't be charged because investigators are saying he didn't plant them himself.

According to a report in NBC Philadelphia, Penn Township authorities say the man discovered the weed plants in the middle of his field while he was spraying the tract. They were hidden by weeds and corn stalks. Police believe that someone pulled corn stalks out of the field and planted the weed plants instead.

Authorities plan to destroy the plants on the Penn Township farm and to charge the person responsible for planting the 150 plants, if they are identified. Each plant had grown to between 12 and 18 inches high.

[Image via AP]