Provided is a hydroponics apparatus (1) configured to grow a plant body (100) having a taproot (101) and lateral roots (102). The hydroponics apparatus (1) includes: a supporting portion (11) configured to support the plant body (100)； a taproot feeding portion (12, 13) configured to feed the taproot (101) by spraying a liquid onto the taproot (101)； a lateral root feeding portion (31, 32, 33) configured to feed the lateral roots (102) by soaking the lateral roots (102) in the liquid； and a controller (3) configured to adjust at least one of a cycle and a length of time of spray by the taproot feeding portion (12, 13). In the hydroponics apparatus (1), the controller (3) limits an amount of liquid sprayed onto the taproot (101) to an amount needed for the taproot (101).
