Food and Agricultural Code section 14538

“Hydroponics” means a system in which water soluble primary or secondary plant nutrients or micronutrients, or combination thereof, are placed in intimate contact with the plant’s root system, being grown in a water or an inert supportive medium which supplies physical support for the roots but which does not add or subtract primary or secondary plant nutrients or micronutrients, or both.

Source: Section 14538, https://leginfo.­legislature.­ca.­gov/faces/codes_displaySection.­xhtml?lawCode=FAC§ionNum=14538.­ (updated Jan. 1, 1990; accessed Jun. 9, 2025).

Last Updated

Jan. 1, 1990

§ 14538’s source at ca​.gov