PROBLEM TO BE SOLVED: To provide a production method of a multicolor flower having its colors gradually changing as a whole flower by dyeing the flower with multiple colors, and provide a multicolor flower.SOLUTION: The method for producing a multicolor flower comprises: a hollowing step for, to a cut flower with at least a stem having a flower at one end and a cut edge face at the other end, forming a hollow part by hollowing an inner part of the stem along an axial direction of the stem from the cut edge face side; a dividing step for, to the external wall of the hollow part, forming slits in the axial direction of the stem from the cut edge face side and forming a plurality of division parts in a circumferential direction of the stem; and a dyeing step for immersing the division parts in dyes having colors different from each other.