Abstract: An aeroponic farming system and a method in connection with aeroponic farming for growing tuber plants or root vegetable plants having an aerial shoot and underground root part. The system includes a growing chamber having growing chamber walls defining a closed chamber space and one or more growing liquid nozzles arranged to spray growing liquid inside the closed chamber space of the growing chamber. The aeroponic farming system further includes a thermal adjustment device arranged to adjust temperature of the growing liquid in the aeroponic farming system for adjusting the temperature in the inside the closed chamber space of the growing chamber.