Disclosed herein are an apparatus and method for managing the growth of crops by individually monitoring the growth state of crops produced in a greenhouse or plant factory. The crop growth management apparatus includes a weight measurement unit configured to measure the weight of a crop that is being grown using the tension of a support string connected to the crop, a crop growth and development management unit configured to determine whether or not the growth and development state of the crop or the weight of the crop is proper based on the measured weight of the crop, and an environment control unit configured to locally control a crop cultivation environment based on a result of the determination regarding whether or not the growth and development state of the crop or the weight of the crop is proper.
