A gardening tool includes a motor (10), a working assembly (20) for performing a function of the gardening tool, and a transmission system (30) for causing the motor (10) to drive the working assembly (20). The transmission system (30) includes a first clutch member (31), a movable member (33) that is moveable from a first position to a second position, a bias member (34) for biasing the movable member (33) to the first position, and a second clutch member (32) configured to rotate with the first clutch member (31) when the movable member (33) is biased to the first position and to rotate relative to the first clutch member (31) when the movable member (33) is located at the second position.