Abstract: A weed trimming device includes a support member engageable with at least one of a user's back, a user's shoulders, and a combination thereof. Such weed trimming device includes a trimming member having a rotatable blade element for trimming plants and cutting grass and weeds. A motor is attached to such support member and operably connectable to such trimming member for enabling rotational movement of such blade element. A power source is operably connected to such motor for supplying power thereto. A switch mechanism is intermediate such power source and such motor for selectively supplying and terminating power to such motor.