The pruning head (1) includes a rotor (10) in the shape of a shaft, radially bearing flexible or supple elongated pruning elements (11, 11&prime, 1&Prime). This head is essentially characterized in that each elongated pruning element (11, 11&prime, 11&Prime) includes, 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&prime, 110&Prime, 110&prime&Prime) capable of shearing off undesirable growths formed at the foot of vines and other plants.
