A planter bottom member is attached to a side wall member formed of a wood material and having a cylindrical shape that is open at upper and lower sides. The planter bottom member is formed of a synthetic resin and includes a lower surface cover portion, a lower end receiving portion for receiving a lower end surface of the side wall member, an outer wall cover portion for covering an outer circumferential surface of a lower end portion of the side wall member and a bottom portion having a draining hole. The lower end opening of the side wall member is closed by the bottom portion, the lower surface of the side wall member is covered by the lower surface cover portion, and the lower end outer circumferential surface of the side wall member is covered by the outer wall cover portion.