A plant cultivation container includes a container body having: a plant cultivation space with an opening for planting a plant formed in a front face thereof； and a water reservoir portion for pooling plant cultivation water formed in a lower portion of the plant cultivation space, in which container a water-absorbing plant cultivation flooring material is mounted in the plant cultivation space so that a part of the plant cultivation flooring material is positioned inside the water reservoir portion. One of right and left walls of the container body disposed at right and left ends, respectively, of a front face of the container body is provided with an engaging portion, and the other of the right and left walls is provided with an engaged portion engageable with the engaging portion of another container body, such that a relative angle between two adjacent container
