The present invention relates to a dispenser and a planting tool/ dispenser assembly for providing a dosage of granulated fertilizer to a seedling upon planting of the seedling. The dispenser comprises a housing with an inlet for receiving a container with granulated fertilizer and a dosage mechanism for providing a predetermined amount of granulated fertilizer from the inlet to an outlet. The outlet is arranged to provide the predetermined amount of fertilizer into the tube of the planting tool.