PROBLEM TO BE SOLVED: To provide methods and apparatuses for keeping cropped cut flowers at least part of the period before shipping, capable of improving color of the cut flower at the time of blooming and keeping the quality of the cut flowers in a good condition, regardless of the period of cropping in a low temperature period.SOLUTION: Provided is a method for keeping cropped colored flowers for at least part of the period before shipping, where the cut flowers are maintained for 1-72 hours with a temperature setting of 20-35°C.