PROBLEM TO BE SOLVED: To develop water retention, water supply, root retention, etc. for a long period of time so that a crop can be sufficiently grown, treatment at the time of disposal is easy and environmental load is small, and coloring is achieved. Providing a medium for plant cultivation that allows for the addition of scents and scent components and has excellent appreciation. SOLUTION: The polyvinyl alcohol-based gel having communicating holes is included, the polyvinyl alcohol-based gel has a cross-linking structure, and the water content of the polyvinyl alcohol-based gel is 80 to 99% by mass. A medium for plant cultivation. [Selection diagram] None【課題】 保水性、給水性、根の保持性等が長期的に発現して作物を十分に生長させることができるとともに、廃棄の際の処理が容易で環境へ与える負荷が小さく、また、着色や香り成分の配合が可能で、鑑賞性にも優れた植物栽培用培地の提供。【解決手段】 連通孔を有するポリビニルアルコール系ゲルを含み、前記ポリビニルアルコール系ゲルが架橋構造を有し、かつ、前記ポリビニルアルコール系ゲルの水の含有率が８０～９９質量％であることを特徴とする植物栽培用培地。【選択図】なし
