A sowing unit for a sowing machine that comprises a coupling device, a joint device provided between the coupling device and a support device with separate fastening points for functional components, and a sowing heart which meters a work product is disclosed. The support device has a proximal support arm, which couples to the joint device, and a distal support arm, which, on a side of the proximal support arm facing away from the joint device, extends away from said proximal support arm, and on which the sowing heart is arranged laterally in the area of an assembly section in such a way that a rear side of the sowing heart is arranged so as to be located opposite to the assembly section of the distal support arm and a front side of the sowing heart is arranged so as to be unobstructed by the support device.