Food Storage - How long can you keep...


Blue Arrow
Blue Arrow
10-12 months (best quality)



  • How long do frozen mustard greens last? The precise answer to that question depends to a large extent on storage conditions - keep mustard greens frozen at all times.
  • Properly stored, frozen mustard greens will maintain best quality for about 12 months in the freezer, although they will usually remain safe to eat after that.
  • Are frozen mustard greens safe to eat after the ‘expiration’ date on the package? Yes, if properly stored - commercially frozen mustard greens will typically carry a Best By, Best if Used By, Best Before, or Best When Used By date but this is not a safety date, it is the manufacturer's estimate of how long the frozen mustard greens will remain at peak quality.
  • How long will frozen mustard greens remain safe to eat? Frozen mustard greens that have been kept constantly frozen at 0°F will keep safe indefinitely, as long as they have been stored properly and the package is not damaged.
  • How to tell if frozen mustard greens are no longer good? If dry spots or discolorations have developed on the frozen mustard greens, freezer burn has begun to set in - this will not make the frozen mustard greens unsafe to eat, but it will harm the texture and taste.

Sources: For details about data sources used for food storage information, please click here

Today's Tips