What is the shelf life of Roundup?
Roundup Ready-to-Use, Roundup Pull ‘N Spray and Roundup SURE SHOT have shelf lives of at least four years. Roundup Concentrate, Roundup Super Concentrate and Roundup Brush Killer have shelf lives of at least 8 years when stored undiluted in the original container. Once mixed with water, concentrated Roundup products should be used immediately and not stored for future use. Do not store in direct sunlight.