Expired Seeds - Knowledgebase Question

Marion, IA
Question by curtishudson
April 25, 2001
I was given some zinnia seeds that have expired and I was wondering if I planted them would they grow?


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Answer from NGA
April 25, 2001

0

The only way to find out is to try it. Fresh seed will have a higher germination rate because seed viability tends to decrease over time. Storage conditions will also affect the viability, with those seeds stored at a steady temperature and lower humidity lasting longer.

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