A hydroponic cultivation apparatus is provided with a partitioning member including a swelling member in which a first through hole is formed and having a first main surface and a second main surface which are directed to opposite sides to each other. The hydroponic cultivation apparatus also has a mounting surface provided at a position opposing to the first main surface in a first space enclosed by a plurality of surfaces including the first main surface. An underground part is arranged in the first space, and a stem part is inserted into the first through hole.
