A modular wall mounted agricultural system that includes a mounting structure having a first end, a second end, a fluid conduit extending longitudinally between the first end and the second end, and at least one longitudinally extending channel. The system further includes at least one planter box that is adapted to mount within the at least one channel of the mounting structure, and wherein the at least one planter box includes a plurality of sidewalls and a bottom wall that cooperate to form a compartment adapted to receive plant matter therein, the plurality of sidewalls cooperating to form an upwardly opening aperture adapted to receive a fluid from the conduit.