How Long Can You Store Unopened Grass Seed?

Unopened grass seed can be successfully stored and germinated after several years, particularly if it is stored in a foil bag. Check germination by spreading grass seeds on damp kitchen towels. If the seeds have not gone bad, they will germinate after a few days.

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Kelli Bingham is a freelance writer with nearly a decade of experience in the field. Her works have been published in publications including eHow. She is currently pursuing a degree in business.