An irrigation system with automatic irrigation liquid spraying device is described, comprising: a container (4), particularly for plants or flowers, the container being equipped with a perforated bottom; a bottom support (5) on which the perforated bottom of the container (4) is placed; at least one floater (3) equipped with at least one magnet (2) and placed in the support (5); at least one electromechanical reed-type device (1) operatively connected to the support (5) and adapted to be actuated by the at least one magnet (2) through a contact action of the reed blades driven by a magnetic field of the magnet (2); a tank (6) containing irrigation liquid; at least one pump (7) immersed in the tank (6), operatively connected to the container (4) on a side and to the electromechanical reed-type device (1) on another side.
