The present disclosure relates to a plant monitor, a method and an apparatus for generating information and a system for monitoring a plant. The plant monitor (140) comprises a main control chip (141 241), a wireless communication chip (142 242) connected with the main control chip (141 241), and at least one growth environment monitoring sensor (143) connected with the main control chip (141 241), wherein the at least one growth environment monitoring sensor (143) comprises at least one of an illumination sensor (143a 243), a temperature sensor (143b 244), a humidity sensor (143c 245), and a soil conductivity sensor (143d 246) the main control chip (141 241) is configured to acquire growth environment data collected by the at least one growth environment monitoring sensor (143), and to send the growth environment data to a mobile terminal (120) via the wireless communication chip (142 242), such that the mobile terminal (120) generates plant cultivation reference information according to the growth environment data.
