Can I Mow After Overseeding My Lawn? (Landscaping Advice)

Mowing my lawn is one of my least favorite parts about spring. I know, I know it’s only February! But if you’ve ever tried to mow over old grass clippings then you know what a pain it can be. It’s like rolling around in sandpaper. 

Proper aeration and overseeding techniques can help your lawn stay healthy and lush.
Avoid common mistakes when aerating and overseeding, such as using too much or too little seed.
Wait until new grass has reached a height of 3-4 inches before mowing to avoid damaging the new growth.
The best time to overseed cool-season grasses is every 1-3 years, and warm-season grasses every 3-5 years.
Fall is the ideal time to overseed your lawn for optimal growth and health.

So why should we wait before mowing after seeding? The answer is simple: because it helps us get the most out of our lawn care investment and ensures healthier growth down the road.

Can I Mow After Overseeding My Lawn?

When you over-seed your lawn, it is important that you wait until the grass is growing before mowing it. If you do not wait long enough, then the seed will be destroyed by your lawnmower and will not have time to grow in before being cut down. 

Wait at least two weeks after seeding before mowing again, but if possible try to wait three weeks or longer if possible.

If your lawn has been damaged from too much shade or drought, then it may take longer than two weeks for them to start growing again. In this case, make sure that all of your seeds are in place before mowing so that they do not get destroyed by your lawnmower as well.

If you are looking for an alternative way to aerate your lawn besides using a machine, check out our guide on how to aerate your lawn without a machine to learn about different techniques such as spiking and using a liquid soil conditioner that can help to rejuvenate your lawn.

Is It Okay To Mow After Over-Seeding?

The answer is yes, you can mow your lawn after you have over-seeded it. However, there are some things that need to be done first so that the seeds don’t get crushed and killed by the mower or a weed whacker.

Will Overseeding Kill My Grass?

The answer is no. Overseeding will not kill grass, but you should wait until after overseeding to mow the lawn. You do not have to wait too long after overseeding, but it is best if you wait around two weeks before mowing your lawn. 

If you can’t resist mowing right away then make sure that you don’t cut the grass too short as this could damage newly germinated seeds and reduce their chance of survival.

erating Your Lawn – Why, When and How

Does Overseeding Hurt My Lawn?

If you’re worried that mowing after over-seeding will hurt your lawn, don’t be! Over-seeding is a good thing and it won’t hurt your grass at all. 

In fact, overseeding is a great way to revitalize your lawn and make it healthier than ever before. You can expect to see the new seedlings sprout within a week or two of seeding and grow into full-fledged grass in about two months.

Did you know that you can also aerate your lawn with a sprinkler system? Check out our guide on how to aerate your lawn with a sprinkler system to learn about the benefits of this method and to find step-by-step instructions on how to do it yourself.

Can You Seed And Mow Your Lawn At The Same Time?

You can seed and mow your lawn at the same time. The best way to do this is to mow your grass as low as possible (1/2 inch), then sow the seed. You should use a good quality seed spreader and evenly distribute the seeds over your entire lawn area. 

After seeding, don’t walk or drive on the newly seeded areas because this will compact them and prevent germination of new grass shoots. It’s best not to run any machinery over them either until they have had some time (about 10 days) to grow roots and become established in their new environment

Will Overseeding Hurt The Grass?

When you over-seed, you’re adding seeds to an existing lawn. The seeds will grow and the grass will start to come back. You can mow while this is happening, but if you wait too long, some of the new seedlings might get trampled by the mower and die before they can mature into strong full-grown grass plants. 

If you have time to wait at least a couple of weeks after overseeding your lawn before mowing it again, more of your seedlings will be able to germinate and grow into full mature blades of grass.

To keep your lawn mower in good working order, it is important to properly maintain the battery. Check out our guide on can lawn mower batteries be recharged to learn about the different types of batteries, as well as when and how to recharge them to keep your lawn mower running smoothly.

How Long Do You Keep Your Seeds In The Ground Before Seeding Again?

One of the most frequently asked questions about overseeding is “how long should I wait before mowing again?” The best way to answer this question is to look at how long you should keep your seeds in the ground before seeding again. 

This can vary depending on what type of seed you are using, but we recommend waiting two to three weeks after over-seeding with a new lawn (or longer if you are seeding and fertilizing at the same time). 

When Should I Mow After Over-Seeding My Lawn?

The best time to cut your grass depends on the type of grass that you have and how often you mow. If you want to avoid leaving clumps of grass, don’t mow until the grass is at least 6-8 inches tall. After this point, it will be easier for the blades to stand up straight and not get caught in your lawnmower’s deck.

You should also wait until after over-seeding or reseeding before cutting your lawn again. This gives time for seedlings to establish themselves in the soil so they don’t die off during mowing. You can continue mowing once a week as usual if desired, but don’t use any higher settings than necessary because this will damage any new growth coming up from seeds just below the surface!

When Is The Best Time Of Day To Mow After Over-Seeding My Lawn?

When it comes to mowing after over seeding, there’s good news and there’s bad news. The good news is that you can mow your lawn as soon as 2 days after seeding, so long as you follow the right guidelines. The bad news is that you need to decide when to mow based on the moisture level of your yard.

Mowing too early in the day or late at night will cause the grass to heat up too much and burn its roots; however, if you wait too long until it gets too dry out there, then those new seedlings won’t have enough water or nutrients to survive (even though they’ve already germinated).

If you have lawn seed that you are unsure if it has gone bad, our guide on how long does lawn seed last can help. Learn about the factors that affect the longevity of lawn seed, as well as how to properly store your seed to ensure it lasts as long as possible.

How Long Do I Keep Seeds In My Grass Before Seeding Again?

When you seed a lawn, it’s important to leave the seeds alone for at least two weeks. This gives them time to grow and become established in the soil. If you mow before this time period, there’s a good chance that your new grass will be damaged by the blades of grass that remain on top of the soil.

It’s also important not to rush things when seeding or over-seeding your existing lawns. While it may be tempting to get out there with your mower as soon as possible after adding seed into your lawn, doing so could damage any new growth that has sprung up since you completed your project. 

Leaving these fresh shoots alone until they’ve reached a height of 3-4 inches will allow them time to develop strong roots and become established in their new environment before being trampled by an errant swipe from an overzealous homeowner with an eagerness for fresh green grass (read: me).

How Long Should I Wait Before Mowing After Over-Seeding My Lawn?

You should wait until the grass is about an inch high before mowing. If you don’t want to wait that long, then make sure the seed has germinated and that it’s at least 1/2″ tall before you start mowing. Otherwise, if your lawn is more than two weeks old, it’s probably too late to start mowing and you’ll be cutting off the newly sprouted seedlings.

If you are dealing with brown patches on your lawn, check out our guide on how to recover your lawn from brown patches to learn about the different causes and remedies for this common lawn issue. With proper care and attention, your lawn can bounce back and look better than ever.


In conclusion, we hope that we have answered all of your questions about mowing after seeding. It is important to remember that the best time to mow after over-seeding your lawn is when it needs it the most: right after you have put down new seed. 

This will ensure that you don’t disturb or damage any newly germinated plants while they grow into healthy, full-fledged plants that can withstand repeated passes through a lawnmower blade without dying off too soon!

Further Reading

Here are some additional resources that you may find helpful:

7 aeration and overseeding mistakes you should avoid: This article discusses common mistakes to avoid when aerating and overseeding your lawn. Learn about best practices to ensure your lawn stays healthy and looks great all season long.

When to mow new grass after overseeding: If you have recently overseeded your lawn and are wondering when it’s safe to mow, check out this article for helpful tips and advice. Learn how to properly care for your newly-seeded lawn to ensure it stays healthy and strong.

When to mow after overseeding: This article provides guidance on when to mow your lawn after overseeding. Learn about the ideal grass length for mowing and how to avoid damaging your new grass.


What is overseeding?

Overseeding is the process of planting new grass seed on top of an existing lawn. This can help improve thin or patchy areas and increase the overall density of your lawn.

How often should I overseed my lawn?

The frequency of overseeding your lawn depends on your climate, grass type, and how much wear and tear the lawn undergoes. It’s generally recommended to overseed cool-season grasses every 1-3 years and warm-season grasses every 3-5 years.

When is the best time to overseed my lawn?

The best time to overseed your lawn is during the fall when temperatures start to cool down and the soil is still warm. This will allow the grass to establish its roots before winter and be ready to grow in the spring.

Can I overseed my lawn in the spring?

It’s generally not recommended to overseed your lawn in the spring since there is a higher chance of the new grass being damaged by warmer temperatures, pests, or disease. Fall is the best time to overseed for optimal growth and health.

How soon can I mow my lawn after overseeding?

You should wait until the new grass has reached a height of 3-4 inches before mowing. This usually takes about 4-6 weeks, depending on the type of grass and climate. Be sure to avoid mowing too low, as this can damage the new growth and delay the establishment of the grass.