Ortho Bug-Geta Snail and Slug Killer has a shelf life a 3 years before it starts to lose its effectiveness. The manufacturer stated that after 6 years, it will no longer work. For proper disposal you would need to contact your local solid waste department, as disposal will differ from location to location.
Ortho Bug-Geta Snail and Slug Killer is a distinct formula designed to kill slugs and snails only. Bifen IT would be a great option for armyworm control.
Please be sure to review the product label for complete application instructions and our Armyworm Treatment Guide for more information