PROBLEM TO BE SOLVED: To provide a plant growing member having an excellent ability to promote plant growth by irradiating light from the back surface side of a plant leaf. SOLUTION: The plant growing member of the present invention has a laminated structure having a light-impermeable resin base material and a wavelength converter formed on the light-impermeable resin base material and containing a phosphor. It has a body. [Selection diagram] Fig. 1【課題】植物の葉の裏面側からの光照射による植物の育成促進能に優れた植物育成用部材を提供する。【解決手段】本発明の植物育成用部材は、光不透過性樹脂基材と、光不透過性樹脂基材の上に形成されており、蛍光体を含む波長変換体とを有する、積層構造体を備えるものである。【選択図】図１
