A vessel for growing a plant, comprising: a base material 11 in the form of a vessel which is capable of accommodating therein at least a part of a plant; and a hydrogel-forming polymer 12 having a crosslinked structure disposed inside of the vessel-form base material 11 is disclosed. When such a vessel is used, a transfer operation for the plant can be automated, and any damage caused by transferring the plant can be reduced.