A planter device includes an upper planter pot and a lower planter pot attached to a supporting device, the planter pots each include a port coupled to a tube, the upper planter pot includes an outlet conduit coupled to the tube of the lower planter pot, a water supplying pipe is connected to a coupler for supplying a water to the tube and the port of the upper planter pot, the coupler includes a bore for supplying the water from the water supplying pipe to the tube, and includes an outlet channel communicative with the bore of the coupler for supplying the water out of the coupler and into the upper planter pot and for easily and automatically watering the plants contained in the planter pots and for economizing the water.
