A plant cultivation apparatus is provided, which can implement automatic spraying on leaf surfaces at any time and any number of times to improve production efficiency while preventing a facility equipped with the apparatus from having complex configuration and causing adverse effects on constituent parts. The apparatus includes a plurality of cultivation shelves 121 that store cultivation trays 110, transport means 130 for transferring the cultivation trays 110, and spraying means 140 for spraying a spray liquid on leaf surfaces of the plants. The spraying means 140 is arranged on a transfer path or at a transfer destination of each of the cultivation trays 110, and includes a separator 141 that forms a partitioned-off space, and a spray nozzle 143 that sprays the spray liquid toward interior of the space.
