How Long is Jello Good For?
If jello is still in the box and not made up, it will last an indefinite amount of time. If you have made up the jello, it is going to last about 1 week in your fridge. Jello is a healthy and easy snack to eat.
Unopened Boxed Jello
If you have an unopened box of jello, it is going to last you an indefinite amount of time. Jello can be used as a snack or added to many other side dishes and desserts.
Home Prepared Jello
Once you have made up the jello at home, it will be good as long as it is in your fridge for about 1 week. It you have added fruit to it, caution should be used to make sure the fruit is good as well.
Prepackaged Made Up Jello
If you have prepackaged jello, it will last longer than the type you make at home. If you leave the jello in the fridge, it will last 12 to 18 months. If you leave the jello in your pantry, it will last for 3 to 4 months.