Gardaí arrested a man in his early 60s and seized a quantity of drugs at Chapelwood, Kilmuckridge in Wexford yesterday afternoon.
Gardaí were called to a incident at a house in Chapelwood and discovered cannabis growing in the upstairs of the house.
The plants have an estimated street value of €240,000.
One man was arrested at the scene and taken to Enniscorthy Garda Station.