What is the shelf life of seed corn?

Does seed corn go bad?

Corn Illustrated: Corn seed can last a long time if stored properly, but not forever. A class project consisted of planting 100 seeds of four-year-old, one-year-old and new corn seed packed for 2015 in trays of growing medium.

How can you tell if corn seeds are bad?

Testing Seed Viability in Water – The Float Test

Take your seeds and put them in a glass or jar of warm water. Let them sit for 15 to 20 minutes. Then if the seeds sink, they are still viable for planting; if they float, they most likely will not sprout.

How do you store seed corn?

Seeds should be kept as dry as possible. Avoid storing them in humid places such as a basement. Temperature should be cool – below 40 degrees, but above freezing. Keeping seeds in the dark also helps them stay dormant.

How can you tell if a seed is still good?

One method to check for seed viability is the water test. Take the seeds and place them in a container of water. Let the seeds sit for 15 minutes. If the seeds sink, they are still viable; if they float, discard, because they probably will not sprout.

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How do you store corn seeds long term?

For long-term storage—or if you don’t have a basement or cupboard with consistent temperatures—consider freezing (completely dry) seeds in a glass jar. The refrigerator is second-best, since temperatures aren’t as consistent there. This part is so important for keeping the quality of seeds!

How do you store seed corn for next year?

The kernels will be very wrinkled. Transfer the kernels into a rodent-proof container. A large glass jar or metal canister works well. Store the container in a dry, cool area until planting time, after the ground warms.

Can you store corn seeds in the freezer?

Most seeds can be stored indefinitely in the freezer at 0 degrees F in an airtight container. The seeds have to be dried first, by leaving them in an open container at room temperature for about 3 weeks. I germinated corn last year that was 23 years old. It seems to work for any seed that can stand to be dried.