How long can i keep flower & veg seeds
Old Seeds Germinating
Certified GKH Gardening Expert
Properly dried and stored at optimum temperatures and humidity, seeds can be saved for years.
Here is a link with more information.
You may want to research any specific seeds that you have question about storing.
Did you know that seeds are stored in vaults to ensure the plant population?
Here is a link that you may find interesting!