Unopened grass seed may last longer than an opened bag, but .. but how you store them makes a difference in how long the seeds will remain viable.. With dry air surrounding the seeds in the field, they do not absorb as much moisture as
Most grass seed I'm familiar with has a viability around 85% – meaning that if you. time, but seeds that are stored in a cool, dry place should last a long time.
When stored properly, bagged grass seed can remain fully viable for one year after the test. A basement or cellar is a suitable storage place as long as it is dry
boxes filled with grass seeds were found in a. shown that grass seed may remain viable for several years. from humidity or temperature, nor did the unsealed,.
processes of quiescent seeds have long been known.. many so-called short-
What improves grass seed germination rates? Do you expect every grass seed to grow? How long until grass first appears? Will old seed. Does every little grass seed sprout and grow?. . The germination rate listed should remain valid if the seed was stored in a cool, dry area. Heat will rapidly decrease the seed viability.