A module for soil and plants comprises a body 10 formed from a moulding of plastics material, the body comprising a plurality of vertical columns 14, each column comprising a plurality of cells 16 and each column comprising one or more fixing tubes 18 open from front to back of the module. Preferably, the body is formed from a single moulding of plastics material. One column may comprise two fixing tubes. The module may further comprise a continuous horizontal slot running across the back of the module, the fixing tubes may be arranged in line and at the same height as the horizontal slot. One or more slits may be provided in the walls between adjacent cells in a column and/or in a wall between two horizontally adjacent cells. Module may be used in creating a living or green wall.