A device for promoting root function of a plant may include a first container configured to retain a root growing medium； a second container below the first container, wherein the second container is configured to store a liquid； an insulated enclosure surrounding the first container and the second container and including an opening above the first container that is sized so that the plant may grow through the opening； a pump configured to transport the liquid from the second container to the first container； a heater within the insulated enclosure； and a flow path from the first container to the second container that allows the liquid to flow from the first container to the second container after the liquid is transported to the first container.
