PROBLEM TO BE SOLVED: To provide a medium for hydroponic culture which can be repeatedly used. Kind Code: A1 A hydroponic culture medium having a plurality of openings, a sowing surface on which seeds of a plant are sowed so as to be in contact with the openings, and a holding portion which holds the sowing surface at a predetermined height. The holding part has a plurality of water guiding channels that guide a liquid containing water to the opening of the seeding surface, and the plurality of water guiding channels extend in one direction from the seeding surface inside the holding part. It is divided into shapes. [Selection diagram] Figure 1【課題】繰り返し使用が可能な水耕栽培用培地を提供すること。【解決手段】複数の開口を有し、上記開口に接して植物の種が播種される播種面と、上記播種面を所定の高さに保持する保持部と、を有する水耕栽培用培地。上記保持部は、上記播種面の開口へと水を含む液体を導く複数の導水流路を有し、上記複数の導水流路は、上記保持部の内部で、上記播種面から一方向に延びる形状に区画されている。【選択図】図1