A steam weed killing apparatus with a multi-spiked attachment for delivering steam beneath the ground is provided. The multi-spiked attachment provides an arrangement of spikes to encircle the weed for heat treatment of the weed's roots. Each spike comprises an elongated hollow tube terminating at a removable tip for penetrating the ground. The elongated hollow tube has ventilation holes allowing the steam to escape. When the steam generator is operated, pressured steam is delivered to the attachment. Steam travels down the elongated hollow tube of the spike and exits at the ventilation holes to heat the roots. The tip of the spike may be removed to assist in the removal of dirt clogs within the elongated tube.
