The invention relates to a method for removing living plant material from a rigid wall or floor surface being a paved, tiled, asphalt, stone, brick, rock, or cemented surface, or at least one crack of such a surface, the method being characterised in that it comprises a step of applying (b) onto said surface or said crack carrying the living plant material, ice fragments of CO2 propelled at high speed so as to remove said plant material from the surface.
