An apparatus for cultivating plants of the present invention includes: a cabinet forming a space where plants are cultivated; a door connected to the cabinet and opening/closing the space; a bed disposed in a space of the cabinet and supporting a seed package accommodating a medium including seeds; and a light assembly for radiating light to the seed package on the bed, in which the light assembly includes: an LED module composed of a plurality of LED groups; a light case covering the upper portion of the LED module; and a light cover coupled to the light cover and supporting the lower portion of the LED module.