To keep the seeds cool (ideally, below 50 degrees), some people store them in a jar in their refrigerator or freezer. Seeds in good condition and stored properly will last at least one year and, depending on the plant, may last two to five years.

How long can flower seeds be stored?

Many seeds have been viable for much longer, while some a bit shorter. It's best practice to do a quick viability test to check your germination rate prior to planting when using older seed. Flowers: (As a general rule, most annual flower seeds are viable for 1-3 years and perennial seed for 2-4 years.)

Do flower seeds expire?

There are no expiration dates on the packages…. A. Most flower and vegetable seeds will stay viable for at least a few years if they're stored at a low enough humidity and temperature.