PROBLEM TO BE SOLVED: To provide plant cultivation apparatus that can suppress accumulation of heat and air in a cultivation rack while efficiently irradiating a plant with artificial light.SOLUTION: A plant cultivation apparatus has a cultivation rack having a structure which has a first member 12 on which a cultivation tank can be placed, a second member 13 disposed with a space to the first member, a lighting member 14 disposed with a space to the first member and disposed in the first member side rather than the second member, a plurality of column member 15 fixing the position of the first member and second member and a reflection sheet 20 which is disposed at the side face of the cultivation rack, has visible light reflectivity, and has a plurality of a penetration part 21.SELECTED DRAWING: Figure 4COPYRIGHT: (C)2018,JPO&INPIT【課題】人工光を効率良く植物に照射しつつ、栽培ラック内に熱および空気が滞留することを抑制できる植物栽培装置を提供すること。【解決手段】栽培槽を載置可能な第一部材12と、第一部材に対して空間を設けて配置された第二部材13と、第一部材に対して空間を設けて配置され、かつ、第二部材よりも第一部材側に配置された照明部材14と、第一部材および第二部材の位置を固定する複数の柱部材15とを有する構造体を有する栽培ラックと、栽培ラックの側面に配置され、可視光反射性を有し、複数の貫通部21を有する反射シート20と、を備える植物栽培装置。【選択図】図4