That said, certain seed varieties naturally will stay fresh much longer than others.
Other vegetable and herb seeds can last 10 years or even longer under the right conditions.
Here are general guidelines on how long specific types of seeds last when stored at room temperature.
Credit: Emily Minton-Redfield
Seeds that are kept cool may stay fresh even longer.
Clumpy or moldy seeds or seeds that look like they got wet usually dont sprout well.
Step 1:Sow 10 seeds on a damp paper towel.
Improve the chances of seed-growing success by sowing seeds with low germination rates thickly.
Some seeds take longer to germinate than others.