grass seed - Knowledgebase Question

louisville, Ke
Question by granpapa3
April 1, 2009
how long will grass seed keep before planting

Answer from NGA
April 1, 2009


Grass seeds, like any seeds, will deteriorate over time, especially if they are exposed to warm temperatures and humidity. Typically they will remain viable for about 2 years. After that some of the seeds will still germinate, but not all. You can test the percentage of germination by placing 10 seeds between dampened a paper towel and sealing it up in a plastic baggie. Set it in a warm place such as a kitchen counter and check the seeds in 7-10 days. Count how many have sprouted and that will give you a rough idea of the percentage of viable seeds. If only 5 sprout you will have only 50 percent viable seeds and will need to sow the seeds at double the recommended rate. Good luck with your seeds!

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