To provide a cultivation box which can be installed on a consigned window side, can be cultivated repeatedly, and has a protection function during transportation.SOLUTION: The plant cultivation box 01 is composed of a top plate made of a light diffusing plate 21, a horizontal partition plate, a vertical partition plate, and a plate of a window 07 face. Light passes through the horizontal partition plate as well as the lower partition, and the light reaches the cultivation plant 04 in the lower stage. By placing the cultivated plants 04 in each partition of the plant cultivation box 01, multistage cultivation is possible .(FIG.【課題】受託の窓辺に設置可能であり、重ねて栽培ができ、輸送時の保護機能を有する栽培箱を提供する。【解決手段】植物栽培箱01は、光拡散板21で作られた天板、水平仕切り板、縦仕切り板、窓07面の板で構成される。水平の仕切り板を通じて下の仕切りにも光が透過し、下段の栽培植物04にも光が届き、植物栽培箱01のそれぞれの仕切りの中に栽培植物04を並べる事で、多段の栽培が可能となる。【選択図】図2