The automatic timed-release water-supplying flowerpot includes an inner container supported in an upper portion of the interior space of an outer container. Water-absorbent ropes are inserted through inlet water holes cut through the bottom wall of the inner container to absorb water from the lower portion of the interior space of the outer container and carry it to the soil and plant in the inner container. A water-refilling opening is formed between a recessed portion of the side wall of the inner container and the side wall of the outer container. The flowerpot is provided with a filtering tray or a hinged cover over the water-refilling opening to block stuffs other than water from entering the interior space of the outer container. The inner container is supported in the outer container by a horizontally extended rim or by one or more supporting legs.