Mowing device (1) for plants, comprising at least one rotor with a rotor axis or first rotation axis, in particular a vertical rotor axis, and at least two blades (8) driven in rotation by the rotor, in which each blade (8) is attached to an associated blade holder (11 a； 11 b), in which the blade holders (11 a, 11 b) are parts which are separate from one another and are attached to the rotor via a shearing connection.
