PROBLEM TO BE SOLVED: To provide a plant cultivation container for improving space using efficiency in the case of cultivating plants using a cultivation method for progressing growth and development by superposing containers on each other. SOLUTION: This plant cultivation container (for instance, flowerpot 10) to be used for cultivating plants is formed by a sidewall part 11 and a bottom wall part 21, and has a circularly opened upper surface. A plurality of holes 22 are formed in the bottom wall part 21, and the sidewall part 11 is formed by a plurality of recessed parts 12 recessed inwardly gradually largely from the upper side of the container to the lower side, and an unrecessed part excluding the recessed parts 12. The plurality of the recessed parts 12 each form an opening space 25 above the upper surface of the other container when superposing on the upper side of the other container of the same shape (for instance, flowerpot 10 of the same shape). COPYRIGHT: (C)2011,JPO&INPIT