Abstract: An improved water gravity plant feeder for use with bottled water or hose connection to a water supply; the water gravity plant feeder comprises a housing, a water bottle mounted on the housing, and a device for supplying water from the bottle to plants arranged adjacent the housing. The watering device comprises an inner feed tray positioned under the water bottle for supplying a measured level of water at intervals to a water trough. When full, water is spilled from the trough into a sump in the housing, whence it flows into a water distributor for watering a plurality of plants. The plant feeder is also provided with mechanism for using water from a water tap.