To supply an appropriate amount of water to a flower vase by means of a simple structure.
The watering device for a flower vase supplies makeup water to a flower vase 2 installed in a graveyard or the like, and has a water tank 1 storing the makeup water and having a water supply opening and a support bracket 3 attached to the flower vase 2. The support bracket 3 has a pair of pinching plates 19 pinching the right and left sides of the water tank 1 and is provided with a tank holding portion 12, the front of which is opened, a positioning member 13 positioning the water tank 1 so as to arrange the water supply opening in the upper end opening of the flower vase 2 when the water tank 1 is held on the tank holding portion 12 with the water supply opening faced downward.
Kyuichi Ueki
Jiro Higuchi