Horseradish root on cutting board with grater - Westend61/Getty Images For the most part, people who buy or grow horseradish root know they're in for an eye-burning, sinus-clearing experience when ...

If you're wondering how long you can keep an open jar of horseradish, the answer depends on whether it's homemade or store-bought. The latter can last a few months, but it will slowly lose its potency ...