The structure has a set of modules (2) associated according to needs for various plants and development of each plant in order to form a complete garden. Each module comprises an element (1) including lateral walls, and walls grooved on high and low parts of the element. Protruding lugs provided on a lower portion of an interior wall of the element retain a removable bottom. The removable bottom placed inside the element composes a culture module. The lateral walls and the grooved walls provide male function on the low part and female function on the high part.