Is 2 year old grass seed still good?

If stored in a cool, dry place, grass seed can last for two to three years, but you may not get the same results as you would when planting fresh seed. As the seed ages, the percentage of seeds that will be able to germinate diminishes, forcing you to use more seed than normal to get adequate coverage.
Takedown request   |   View complete answer on jonathangreen.com


How do you know if grass seed is still good?

Water test: Take your seeds and put them in a container of water. Let them sit for about 15 minutes. Then if the seeds sink, they are still viable; if they float, they most likely will not sprout.
Takedown request   |   View complete answer on hortmag.com


How long can grass seed be stored and still germinate?

How Long Will it Last? When stored under these ideal conditions, grass seed should last between 10-18 months from the testing date without a significant decrease in the germination rate. After this time the seed can still be used, but each year after that will see the germination rate drop.
Takedown request   |   View complete answer on naturesseed.com


Can I use 5 year old grass seed?

Seeds stored in a sealed container in a refrigerator usually enjoy the best longevity. If this isn't practical, seek out the coolest location in your home. Stored with this kind of care, your grass seed may remain viable for as long as five years.
Takedown request   |   View complete answer on thespruce.com


Does Scotts grass seed expire?

If stored in a cool, dry place, grass seed can last for 2-3 years. However, the germination rate (the number of seeds that will grow) will decrease over time, so you may not get the same results you would if you were using fresh seed. For best results, use fresh product and try to plant it within a year.
Takedown request   |   View complete answer on scotts.com


How to Tell If Old Seeds Are Still Good



What month should I put grass seed down?

In many climates, the best time to plant grass seed is in the autumn. The still-warm soil of late August, September, October, or November encourages optimum root growth, while the cooling air temperatures discourage excessive top growth. This is perfect for establishing lawn grasses and promoting extensive root growth.
Takedown request   |   View complete answer on savvygardening.com


Can I just throw grass seed on my lawn and it will grow?

Can you just sprinkle grass seed on top of your existing lawn? While it's possible to simply sow the new grass seed over your existing lawn, taking the time to prepare your lawn beforehand will increase the likelihood of seed germination and improve your end result.
Takedown request   |   View complete answer on lawnlove.com


Can you apply too much grass seed?

Too much grass seed causes undue competition for resources such as light, water and nutrients, and grass seedlings struggle as a result. Too little seed leaves lawns thin or bare.
Takedown request   |   View complete answer on pennington.com


Can you just throw grass seed on existing lawn?

Overseeding can help you get back to the thick, lush, green lawn you've always wanted. By spreading grass seed over your existing lawn, you can thicken up the thin areas, and your lawn will start to look terrific again. (This is different from reseeding, which is when you start over and plant a completely new lawn.)
Takedown request   |   View complete answer on scotts.com


Will 2 year old grass seed germinate?

If stored in a cool, dry place, grass seed can last for two to three years, but you may not get the same results as you would when planting fresh seed. As the seed ages, the percentage of seeds that will be able to germinate diminishes, forcing you to use more seed than normal to get adequate coverage.
Takedown request   |   View complete answer on jonathangreen.com


What temperature kills grass seed?

Cool-season grasses go dormant and do not grow during hot weather, when the soil temperature goes above 65 degrees F. Since this is common during the peak summer months, planting cool-season grass seed can result in poor seed germination or even seedling death.
Takedown request   |   View complete answer on scotts.com


How Long Can grass seed be stored in a garage?

According to the lawn-leader Scotts, grass seed can be stored for two to three years, that is if stored properly. However, even in ideal environments, the germination rate tends to decrease after storage. You should expect the initial germination rate to decrease by 10 to 20 percent for each subsequent year of storage.
Takedown request   |   View complete answer on bobvila.com


Will my grass get thicker if I let it go to seed?

Allowing Grass to Seed Thins Lawn and Wastes Nutrients

Another reason not to let your grass go to seed is because it could actually thin it out instead of thickening it.
Takedown request   |   View complete answer on naturesseed.com


Will grass seed grow without raking it in?

Raking is necessary because the seeds need to come in contact with the soil to germinate properly. Grass seed is typically spread on the lawn using a spreader and this does not ensure good contact between seed and soil.
Takedown request   |   View complete answer on jonathangreen.com


Does grass seed need to be buried?

Once you finish spreading the seed, use a rake to lightly work it into the soil at a depth of about 1/4 inch. Don't bury the seeds any deeper; grass seed needs adequate light to germinate quickly. After raking, pass over the area with a roller, which helps ensure the good seed-to-soil contact your new seed needs.
Takedown request   |   View complete answer on pennington.com


Should I water my grass seed everyday?

Normally a lawn should be watered deeply but infrequently, but when you are watering for new grass seed, you must water every day. Set automatic timers for about 5 to 10 minutes, early in the morning, and again at mid-day. Watering done by hand or hose-end sprinklers must be consistent and evenly applied.
Takedown request   |   View complete answer on atkinsinc.com


Should I mix grass seed with topsoil when overseeding?

Should you mix grass seed with topsoil? If you're looking for a quick answer, yes, you should mix grass seed with topsoil for small areas of your garden and other applications.
Takedown request   |   View complete answer on alsoils.co.uk


Will grass eventually fill in bare spots?

It depends on the type of grass. Kentucky bluegrass has runners that help it spread on its own. But many northern grasses are bunch-type grasses which don't spread, so seeding is needed to fill in bare spots. Perennial ryegrass and fescue are among the non-spreaders.
Takedown request   |   View complete answer on rainmasterlawn.com


What should you not do when planting grass seed?

What Not to Do
  1. Don't cover the ground entirely with seed. You want to see some bare ground between the seeds in order to give the seedlings enough nutrients.
  2. Avoid planting grass seed too soon after applying weed prevention and control products.
  3. Don't water excessively. Pools of water can cause your seed to wash away.
Takedown request   |   View complete answer on bloomslandcare.com


What does too much grass seed look like?

You'll know if you seeded too heavy when the grass grows in very thick patches. These patches look great initially but are eventually thinned out by turf disease.
Takedown request   |   View complete answer on jonathangreen.com


Is October too late to plant grass seed?

When it's October, people often wonder if it is too late to plant new seed. The good news is if you hurry, seed can still be planted in October with the hope that it will survive the upcoming winter. Although September is the best time, often we can still plant grass seed up to October 15 with good results.
Takedown request   |   View complete answer on johnson.k-state.edu


Is it better to water grass seed in the morning or evening?

The best time to water grass seed is in the morning and evening. These are the coolest parts of the day, which allows water to absorb into the ground instead of evaporating.
Takedown request   |   View complete answer on gilmour.com


How can I make my lawn green and thick?

  1. Improve Your Soil. To get the most out of every step to a thicker lawn, take a tip from lawn pros and test your soil. ...
  2. Overseed. Overseeding is simply sowing grass seed into existing grass to make thin lawns thick—or keep them from getting thin. ...
  3. Fertilize. ...
  4. Boost Your Lawn. ...
  5. Irrigate. ...
  6. Mow Properly. ...
  7. Control Weeds.
Takedown request   |   View complete answer on pennington.com


Do mice eat grass seed?

Bird food and grass seed are two of the favorite foods of mice.
Takedown request   |   View complete answer on permakillexterminating.com