This is very variable as the lead in time (between you and the factory) can be different for different packets, and the degree of curing differs. The best guide is the 'best before' date, though these are usually conservative. If you don't like the smell, discard it.
6 months
It was last for decades if unopened.
.Who is with you?
3 years.
1 year
About three years.
Unopened CO2 cartridges can last indefinitely if stored properly in a cool, dry place.
If inot opened how long will it last malibu
Unopened potting soil can last indefinitely if stored properly in a cool, dry place.
Unopened Pinot Grigio can last for about 1-2 years before it goes bad.
Unopened sour cream can last for about 1-2 weeks past the expiration date if stored properly in the refrigerator.
ask dove.