how long do grapes keep in the refrigerator
3. Store your grapes at the back of the refrigerator. The space at the back of your refrigerator is often kept cooler, and will help keep your grapes fresh for between 2 and 3 weeks. Before placing in the freezer, make sure to line the grapes on a cookie sheet to prevent them from freezing and sticking together, then place them into a separate storage container after each grape has become individually frozen.