A combinational plant pot has a base panel and multiple side panels. The side panels are perpendicularly mounted around the base panel. Each side panel has multiple buckling seats separately disposed along a first side edge of the side panel, and multiple resilient buckling plates separately disposed along a second side edge of the side panel and respectively mounted through and engaging the buckling seats of an adjacent side panel. The combinational plant pot can be disassembled when for sale or when not in use. The base panel and the side panels that are disassembled can be stacked to reduce space that the combinational plant pot occupies for the convenience of transportation and storage.
