PROBLEM TO BE SOLVED: To provide a plant cultivation method that can reduce the cost of installing a light supplement device such as a light-emitting diode.SOLUTION: In a plant cultivation method, in a house 30 using sunlight, arranged are a plurality of cultivation benches 10 that can hold a culture medium and culture solution; and, so as to cover at least the center position between adjacent cultivation benches 10, a reflection sheet 20 having visible light reflectivity is laid on the floor face to cultivate plants.SELECTED DRAWING: Figure 1COPYRIGHT: (C)2018,JPO&INPIT【課題】発光ダイオード等の補光装置を設置するコストを低減できる植物栽培方法を提供する。【解決手段】太陽光を利用するハウス30内に、培地および培養液を保持可能な複数の栽培ベンチ10を配置し、隣り合う上記栽培ベンチ10の中心位置を少なくとも覆うように、可視光反射性を有する反射シート20を床面に敷布して植物を栽培する、植物栽培方法。【選択図】図1