To answer the question how long does grass seed last it takes up years. Most bags or boxes of lawn grass seed have an expiration date stamped on them.
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Grass seeds can last 2 years or more.
How long does grass seed last on the ground. My foodplots all went in 9410. Stored with this kind of care your grass seed may remain viable for as long as five years. If this isnt practical seek out the coolest location in your home.
Words of advice however is to use them within 2 years upon purchase. If you want to be extra sure you can wait a week or two before planting. This is why most weed killers are designed to evaporate within 24 to 78 hours.
As long as the seed is covered and temperatures continue to moderate you will get good germination at the next rainfall. Expect your new grass to take another four to 10 weeks to root well and become established. 4 seed a lawn by letting the grass grow whether you recently seeded your lawn or keep an extra bag on hand for bare patch repairs grass seeds have a limited shelf life.
This means that for the most part it is safe to plant anything edible or non edible in a place where you have sprayed weed killer after three days. 3 does grass seed last. It was 3 weeks in the baking sun before we got the last rain.
It will take a full season for most grasses to mature to the point where theyre ready for steady foot traffic. You can store those unused seeds for that long span of time. Cool season grasses kentucky bluegrass perennial ryegrass and fescues grow best when temperatures are between 60 80 degrees.
Depending on the type of grass youre growing germination may take anywhere from five to 21 days. Seeds stored in a sealed container in a refrigerator usually enjoy the best longevity. The seed however is generally good for up to 10 months past this date.
The answer depends on the type of grass youre planting. Early fall is the best time to seed because of its shorter days cooler nights and heavier dews.
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