A watering device with a reservoir of water for the cultivation of plants, in particular of plants grown in pots, of the type comprising a bundle (1) comprising an opaque cover and fencing surface (2), permeable to water and which It extends around a central opening (3), this bundle (1) being made of a deformable material and comprising a radial groove (4) that allows separating its two ends (2a, 2b) to allow its positioning around the stem (T) of a plant (PL), in which the internal edge and the external edge of the cover and fencing surface (2) are provided, respectively, with an internal flange (16b) and an external flange (16a), concentric and oriented upwards, said packaging device being characterized in that it comprises a drip system that cooperates in an overlapping or superimposable manner with said packaging (1), in which said drip system comprises an annulled water retention chamber (7) ar forming a water reservoir disposed above the cover and fencing surface (2) of the package (1), this water retention chamber (7) comprising two side walls, respectively external and internal (8a, 8b) , and a bottom (9) provided with spaced holes (18), said water retention chamber (7) being fed by the irrigation waters and / or by the rain waters that cross the cover and fencing surface (2) of said empajado (1), and presents / displays an interruption or radial cut (11) that allows to separate its two ends (14a, 14b), so that it allows its positioning around the stem (T) of said plant (PL).Dispositivo de empajado con reserva de agua para el cultivo de plantas, en particular de plantas cultivadas en macetas, del tipo que comprende un empajado (1) que comprende una superficie de cubierta y de cercado (2) opaca, permeable al agua y que se extiende alrededor de una abertura central (3), estando este empajado (1) realizado en un material deformable y comprendiendo una hendidura radial (4) que permite separar sus dos extremos (2a, 2b) para permitir su posicionamiento alrededor d
