PROBLEM TO BE SOLVED: To provide a plant transportation device that can transport a planting board on which a plant is planted, while protecting roots of the plant.SOLUTION: A plant transportation device 14 has a transport conveyor 16 that transports a planting board 12 on which a plant S is planted and a pallet 20 that supports the planting board 12 so as to cover the root side of the plant S, in an integrated manner along a transport route.SELECTED DRAWING: Figure 2