The pruning head (1) comprises a rotor (10) in the shape of a shaft, radially bearing flexible or supple elongated pruning elements (11, 11, 1). This head is essentially characterised in that each elongated pruning element (11, 11, 11) comprises, at at least one of the ends of same, and at a distance from the axis of rotation of the rotor (10), a weight (110, 110,110, 110) capable of shearing off undesirable growths formed at the foot of vines and other plants.
