#$%^&*AU2016208286A120180215.pdf#####ABSTRACT The invention provides a system for constructing surfaces for growing plants, the system comprising: a plurality of panels each having a front face, rear face and a boundary edge, the boundary edge being formed with one or more edge joiner elements adapted to cooperate together to join the panels together in sets along the boundary edges to form a plurality of rectangular surfaces; and a plurality of corner connector elements adapted to join together edges of the rectangular surfaces in a right angle corner joint.1/10 3 3 --q ~ -----7 t p' N2 2 3 Fig-1