The invention relates to an assembly (1) comprising a flowerpot (3) and a liquid reservoir (5), wherein the flowerpot (3) is provided with a base part (7), with a side wall (13) whereof a rim (19), facing away from the base part (7), defines an opening (21) leading into the interior (23) of the flowerpot (3). The invention further relates to a liquid reservoir (5) connectable to a flowerpot (3).