The invention relates toa rooting plug made from a substrate including organic and/or non-organic material for cultivation of a plant. The plug comprising a substantially cylindrically shaped plug body having a top surface, an outer side surface and a bottorn surface. In a particular embodiment, the plug body comprises a root chamber for accommodating at least a part of a root structure of a plant, and a stem passage extending from the top surface of the plug body into the root chamber. The plug body also has a protrusion extending radially outwardly from the cylindrical shape.
