If you store the garlic properly then it may take any time from 3 to 5 months before getting spoilt. However, once you break the garlic, expect it to decrease in quality pretty quickly. If you have individual unpeeled garlic you should know that it will take around 2 weeks before getting spoilt. How long does processed garlic take When you have your garlic peeled and chopped you can expect to have them stay for no more than 10 days in the refrigerator while it can take close to 12 months in a freezer.