Caring for Your Lawn After Overseeding - What Should You Do?
Lawn Care, Overseeding

Caring for Your Lawn After Overseeding - What Should You Do?

Thursday, September 04, 2025

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Caring for Your Lawn After Overseeding - What Should You Do?

Overseeding your lawn in Illinois is an excellent way to fill in bare spots and enhance its overall density, but it's crucial to follow proper aftercare practices to yield the best results. So, what should you do after overseeding your lawn? First, you'll want to follow a strict watering schedule to provide the seeds with enough moisture to germinate and establish. Then, you should wait to mow your newly overseeded lawn until the new grass is about 3 inches tall, which should take about 2-3 weeks. Additionally, you'll want to avoid walking on it during this same time frame to protect the seeds from harm.


Follow a strict watering schedule after overseeding your lawn.

Person watering a newly overseeded lawn in Edwardsville, IL.

Watering your lawn is vital for the seeds to germinate and establish. However, you'll want to follow a strict watering schedule after overseeding it to ensure they receive enough moisture at the right times. Here's the recommended watering schedule:

  • Weeks 1-2: Water your lawn 2 to 4 times a day. During these first two weeks, you'll want to water it frequently but lightly to keep the seeds moist and encourage germination. This schedule will prevent the grass seeds from drying out.
  • Weeks 3-4: Water your lawn 1 to 2 times a day. These next two weeks, you'll want to water it less frequently but more heavily to help the roots of the new grass grow deeper.
  • After a month: Resume your normal watering schedule. You can go back to watering your lawn as you usually would after a month, as the new grass should have established itself by then.

Wait to mow your newly overseeded lawn until the new grass is about 3 inches tall.

To maintain a healthy, newly overseeded lawn, it's crucial to wait until the new grass reaches approximately 3 inches in height before mowing—typically around 2 to 3 weeks after spreading the grass seeds. Mowing too early can stress the delicate young grass, hindering its development and potentially causing damage that may take time to recover from. Once the grass is ready, adjust your mower to the highest setting to trim only the top portion of the blades. This approach prevents excessive cutting, minimizing stress and allowing the grass to continue growing strong and resilient.

Additionally, ensuring your mower blades are sharp is vital to achieve clean cuts rather than tearing the grass, which can lead to disease and stress. By carefully managing the mowing process, you promote vigorous growth and help establish a robust, lush lawn that enhances your property's aesthetic appeal. Patience during this initial period is key, as it lays the foundation for healthy, long-lasting grass.

Make sure your mower blades are sharp before mowing your newly overseeded lawn to avoid tearing the grass!

Avoid walking on your newly overseeded lawn for about 2-3 weeks.

Foot traffic can significantly hinder seed establishment by compacting the soil and disrupting the delicate growth process. To give your new grass the best chance to thrive, it's important to avoid walking on the lawn for the first 2-3 weeks after overseeding. This period allows the seeds to settle and roots to establish without additional pressure or disturbance.

To effectively limit access, consider using temporary barriers or placing signs as gentle reminders. These measures help ensure the area remains undisturbed, promoting healthier and more resilient grass. Once the new grass has developed strong roots and shows visible growth, you can gradually resume normal use of the lawn. This careful approach ensures your lawn remains lush and healthy throughout the year.


Call us today to schedule our overseeding service!

If you want to fill in any bare or patchy areas on your lawn with new grass, you've come to the right place! At Creekside Landscapes, we offer our overseeding service that involves spreading high-quality fescue seeds across your lawn to increase its density and improve its overall appearance. This service can be scheduled alongside our core aeration service to ensure the grass seeds can settle into a healthy soil environment where they can get good access to resources that will help them germinate.

We offer our overseeding service to residential and commercial properties, as well as HOAs, in Edwardsville, Glen Carbon, Bethalto, and throughout the surrounding areas in Illinois. Call us today at (618) 374-0010 to schedule this service!


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