PROBLEM TO BE SOLVED: To provide a separation device for connected pots capable of surely and uniformly severing all connecting parts of the connected pots one by one after the soil filling work has been finished. SOLUTION: Many of storing spaces 1, which can store each of culture pots G of connected pots H comprising many culture pots G connected in longitudinally and laterally, are formed in a latice form by partitioning longitudinally and laterally with separation bodies 2. On the upper face of a separation body 2, an insertion protrusion 3, which can be inserted into a gap K between connection parts J partly connecting neighboring culture pots G, are formed in a protruding manner. The both sides of the insertion protrusion 3 are formed in slopes in a fanwise state, and the slopes are used as separation edges for severing the connection parts J of the neighboring culture pots G.
