Seed Storing - Knowledgebase Question

Billerica, MA
Avatar for sabellis
Question by sabellis
June 4, 1998
How long do seeds keep once opened and how should they be stored?

Answer from NGA
June 4, 1998
If seeds are kept in an air tight container and stored in a cool, dark location, they should remain viable for at least two years. You can store seeds longer, but their viability will diminish with age. I store mine in canning jars with a tablespoon or so of dried powdered milk, to help absorb moisture. Just put the containers on a closet floor, or way back in a cupboard, so the temperature remains constant and where it stays dark.

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