A planter box for mounting to a structure includes a box body comprising side walls and a respective attachment means extending laterally relative to each side wall, each attachment means adapted for mounting the planter box to the structure. Also provided is a method of mounting a planter box to a structure, the planter box comprising a body having side walls, attachment means extending laterally relative to each side wall, a rear wall, and at least one support formation extending generally rearwardly relative to the rear wall. The method includes the steps of disposing the planter box adjacent the structure such that the at least one support formation supports the planter box on the structure and attaching the attachment means to the structure to mount the planter box to the structure.
