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Perhaps you could do what wePerhaps you could do what we do to keep carved pumpkins from rotting. Dab the cut surface with Chlorox Clean-up (with Bleach) and let it dry. Lightly rub on petroleum jelly to keep out new bacteria. Store in a dark, cool place.

2015 Special Edition Garden GuideCooking Fresh with The Old Farmer's AlmanacThe Almanac Monthly Digital MagazineWhat the heck is a Garden Hod?