· how long does maple syrup last when stored in the pantry vs. How do you know if maple syrup is still fresh? How long does maple syrup last in the fridge? · maple syrup can last for years if stored properly. Does maple syrup go bad? Unopened maple syrup can be stored in the pantry for about a year, according to the usda, though sorkin and other maple syrup producers say it should last much longer than that. Here, experts recommend the best ways to store it to keep it fresh and tasty. Find out how to identify spoilage and extend the life of your syrup. · how, exactly, does one tell if the maple syrup you have in your kitchen has gone bad? · pure maple syrup is a sugary delight that can actually last indefinitely if its stored properly. This guide breaks down how long maple syrup lasts , what changes when the bottle is opened, how to store it so it stays safe, and when you should pour it down the sink instead of on your waffles. · according to the usda and u. s. Can you store unopened maple syrup in a freezer? · discover how long maple syrup lasts after opening and learn the best storage practices to keep it fresh. Its not immediately notable, but there are telltale expiration signs. Though it has a super long shelf life, refrigeration is key. You can make sure it stays fresh for as long as possible by pouring directly from the container and avoiding dipping used utensils back in. Department of health and human services, maple syrup can stay fresh for 6 months if it’s refrigerated after opening.