But you and I have a lot of seeds from last year. Most seeds can last up to 3 years if they aren't exposed to heat and dry out. Some seeds can last longer. The best way to store your seeds is in an air tight container. Good advice, I don't really follow. In either case, you want to test your other vegetable seeds (from last year) like radishes, lettuces and herbs. These are typically seeds that come 100's to the pack. They are the ones you have left over.
Test the germination viability of you seeds from last year. If they germinate, there is no need to spend more money on them. You want test them to both save money and to not be standing in your garden at week 3 wondering why the 28 day radishes haven't sprouted. Here is one way to do it in pictures. That sounds wrong.
|Vegetable Seed Test Germination Step One: Gary Pilarchik|
|Vegetable Seed Test Germination Step Two: Gary Pilarchik|
|Vegetable Seed Test Germination Step Three: Gary Pilarchik|
|Fold the Vegetable Seeds Again: Gary Pilarchik|
|Vegetable Seed Test Germination Step Four: Gary Pilarchik|