Method of manufacturing a plant receptacle wherein the following steps are performed: a) providing a mixture of fibres, said mixture at least comprising PLA fibres and a bio-degradable fibre; b) using said mixture of fibres in a woven or non-woven process, making a permeable sheet material; c) continuously forming said sheet material into a continuous receptacle, by bringing the side edges of said sheet material into contact and welding said side edges together; d) cutting said continuous receptacle in predetermined lengths thereby creating separate plant receptacles or wherein said continuous receptacle is perforated substantially perpendicular to the longitudinal direction of the continuous receptacle at predetermined intervals, thereby allowing separate plant receptacles to be detached from the continuous receptacle.