Abstract: A module suitable for the placing of plants on a natural soil substrate S or without artificial soil, whereby the substrate is oriented horizontally, with a slight or steep slope, all the way up to vertical, includes at least one front face (12), at least one rear face (14), a substrate (16) that is inserted between these at least two faces, whereby at least the front face (12) includes at least one recessed cell (18) that is obtained from the at least one front face (12), the at least one cell having a bottom (22) that is made integral with the closest rear face (14) by connecting elements (24).