FOOD STORAGE — HOW LONG CAN YOU KEEP...

• Store at room temperature until ripe, then refrigerate in plastic bag.
• To freeze plums: (1) Wash and leave whole or cut in halves or quarters and remove pit; (2) In a saucepan, combine 2 3/4 cups sugar and 4 cups water, mix until the solution is clear, and bring to a boil; (3) Cool the syrup and pour over plums; (4) Place plums and syrup in covered airtight containers or heavy-duty freezer bags.
• Freezer time shown is for best quality only— foods kept constantly frozen at 0° F will keep safe indefinitely.

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