The present invention provides a planting container capable of sufficiently and stably supply planting water to a rhizosphere where roots of a plant grow, securing as large a space as possible for the rhizosphere, and further accelerating the growth of the stem or leaves of the plant. The planting container comprises a planting container body 1 including a planting space 2 having an opening at a front portion thereof to allow a plant to grow, a reservoir 8 for planting water that is provided in a lower part of the planting space 2, and a water-absorbing planting bed placed within the planting space 2 with a bottom portion thereof being positioned in the reservoir 8 for absorbing planting water retained in the reservoir 8 to cultivate the plant, wherein the container further comprises a receiving surface 10 for receiving the planting bed within the planting space 2 formed as an inclined surface that is raised progressively toward the opening and is lowered progressively away from the opening.