A system for treating plant cuttings (12), comprising a carrier (1) and a series of holders attached to said carrier, which holders are each designed for holding a plant cutting, said holders being attached to the carrier in such a manner that plant cuttings inserted into the holders extend substantially parallel to each other, and that the respective centres of each of the holders lie substantially in one and the same central plane, which system further comprises a watering device comprising at least one gutter (22) in which the bottom sides of the plant cuttings can be placed, which gutter extends between a water supply side and a water discharge side, as well as a water inlet designed to supply water or on the water supply side and a water outlet designed to discharge water from the water discharge side.
