An Invasive Weed Seed Removal System, and a method are disclosed providing an invasive weed seed removal device including a weed seed removal nozzle in combination with a vacuum and a venturi effect cutting blade configuration, which acts to cut and vacuum invasive weed seed pods, thereby effectively and economically removing them from the environment before the weed seeds reach the ground, whereby the annual cycle of invasive weed growth is broken, and areas of land are cleared of invasive weeds to enable native plants to grow and thrive. The Invasive Weed Seed Removal System can be configured as a hand-held unit, a backpack mounted unit, a lawn mower type unit and a heavy equipment type tractor attachment, to enable several methods of controlled cutting and removal of the seed pods of invasive weeds and noxious imported grasses, by adjusting the height of the cutting and vacuum nozzle.