Cultivation system (1) comprised of an endless cultivation track (2), that includes a number of support members (5) on which that is to be grown is moved along the cultivation tracks length under illumination from a plurality of lighting units (7). A specific feature present cultivation system is that at least one of the lighting units (7) is arranged to be movable to and from a position (9), where it is intended to provide light, to and from a position at at least one support member (5) in which the lighting unit may be connected at the support member (5) and that movement of the lighting unit (7) may occur with the support member (5) to and from an arbitrary position along the cultivation tracks length.
