Patent ID: 8555547

Claim:
A plant cultivating unit comprising: a water storage tray including a top and a bottom surface; a plurality of receivers disposed on the top of the water storage tray, the receivers adapted to house roots of plants in an interior thereof and adapted to store water; a water storage space disposed between the top and the bottom surface of the water storage tray, the water storage space in communication with each of the receivers via at least one water feeder for each of the receivers, the water stored in the water storage space being supplied to the plants via the water feeders; and connectors capable of communicably connecting adjacent water storage trays to each other, wherein the connectors comprise at least one inflow connector and at least one outflow connector, wherein the water flows in through the at least one inflow connector to the water storage space, and wherein the water flows out through the outflow connector by an overflow when a specific amount of water is stored in the water storage space; and wherein the water feeders are below a maximum water level possible when water is stored in the water storage space.