When a dragonfruit has been sliced open, and the internal flesh is exposed to air the shelf life is shortend to about a day. It does not 'decompose' as such, the flesh becomes a little 'spongy' and if it is not in the fridge some varieties develop a slimy type surface. read more
Once dragon fruit has been cut it will only last a couple days. It needs to be put in an airtight container if you put it in the refrigerator. Dragon fruit that has not been cut will last up to two weeks in the refrigerator. read more
Store the dragon fruit in the crisper drawer of your refrigerator. Dragon fruit stores best at temperatures between 45 and 50 degrees Fahrenheit. Store refrigerated fruit for up to three months. read more