The invention relates to a greening module, to an equipment module, and to a cassette module for a modular construction for greening vertical or slanted walls, wherein at least one cassette module (12) which can be fastened on a wall (39) is provided, at least one equipment module (14) is provided, which can be inserted into the cassette module (12) in order to form the greening module (11), wherein the equipment module (14) comprises a vegetation element (21) having at least one carrier layer (22), in which plant material (24) is introduced, comprises a grid structure (29), which is arranged on the front side of the vegetation element (21) and through which the plant material (24) protrudes at least partially, and comprises at least one enveloping layer (33), which engages on the grid structure (29), holds the vegetation element (21), and holds together the equipment module (14) as a manageable unit.
