grass seed - Ask Extension
I have grass see in my garage from several years back. Does grass seed have an expiration date? If it is more than 2 years old would it still be via...
Knowledgebase
grass seed #868849
Asked May 17, 2024, 10:47 AM EDT
I have grass see in my garage from several years back. Does grass seed have an expiration date? If it is more than 2 years old would it still be viable....would it still sprout and grow if put down on my lawn and cared for properly (watering)?
Thank you!
Hennepin County Minnesota
Expert Response
It depends on the seed and the storage conditions. See these web pages.
https://seedlab.oregonstate.edu/training-education/publications/maintaining-grass-seed-viability-storage
https://extension.unh.edu/blog/2018/11/can-i-save-unused-grass-seed-n
to test seed viability, see this site.
https://extension.illinois.edu/blogs/ilriverhort/2017-02-03-test-seed-viability
https://seedlab.oregonstate.edu/training-education/publications/maintaining-grass-seed-viability-storage
https://extension.unh.edu/blog/2018/11/can-i-save-unused-grass-seed-n
to test seed viability, see this site.
https://extension.illinois.edu/blogs/ilriverhort/2017-02-03-test-seed-viability
