When to Mow After Overseeding

| Updated On: July 5, 2023
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It is best to wait at least 4 weeks after overseeding before you mow the lawn. This gives the new grass seed time to establish a healthy root system and become strong enough to withstand regular mowing. Before mowing, raise your blade height as high as possible so that only 1/3 of the grass blades are being cut off with each pass of your lawnmower.

If you are using a reel-type or manual push lawnmower, be sure that it has been freshly sharpened for maximum efficiency and quality cutting performance. When mowing, make sure not to scalp the newly seeded areas by going too low; this can cause damage and expose vulnerable roots which will inhibit future growth.

Mowing is an important part of lawn care, especially after overseeding. It should be done carefully and at the right time for best results. Depending on the grass type and environmental conditions, mowing can usually begin about two weeks after overseeding.

However, if you notice that your new grass has grown more than 2-3 inches tall during this period, you may need to wait a bit longer before mowing so as not to damage the new seedlings. When it’s time to start mowing again, always use a sharp blade and keep your blades set relatively high so that you don’t accidentally cut off too much of the newly planted grass seeds.

When to Mow After Overseeding

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How Long Do I Wait to Mow After Overseeding?

It is best to wait at least 2-3 weeks before mowing after overseeding. This gives the new seed time to germinate and get established. If you don’t give the seeds enough time to establish, they may dry out or be damaged when you mow over them.

When you do mow, set your blade height higher than normal so that the grass blades protect the fragile newly planted seedlings from damage during mowing.

Should I Water My Lawn Every Day After Overseeding?

No, you should not water your lawn every day after overseeding. Instead, water the newly-seeded area for about 15 minutes three times per week (preferably in the morning) until germination is complete, which typically takes 7 to 10 days. Be sure to keep the soil moist but not soggy during this time – too much water can wash away seeds and prevent them from sprouting.

Once grass is established you can begin watering slightly more frequently in order to promote healthy growth and thickening of your turfgrass.

When Can I Mow Tall Fescue After Seeding?

It’s best to wait until your newly seeded tall fescue is at least 3 inches high before mowing. This will give the grass enough time to establish a strong root system and be less likely to suffer damage from mowing. If you can’t wait that long, you should set your mower blades on their highest setting so as not to cut off any of the new growth.

Also, keep in mind that when it comes to mowing newly seeded tall fescue, less is more! Too much vigorous cutting could cause significant damage and stunt its growth.

When To Mow New Grass after Overseeding and First Mow

When to Mow After Overseeding Ryegrass

When it comes to overseeding your lawn with ryegrass, the best time to mow is when the grass has reached a height of four inches. Mowing at this height will allow for proper growth and development of roots while also providing an even cut throughout the lawn.

Additionally, mowing too soon can inhibit root growth and make it difficult for seedlings to establish themselves in your lawn. To ensure healthy growth, be sure to wait until the grass is at least four inches tall before you begin mowing after overseeding with ryegrass.

Can I Mow After Overseeding My Lawn

Yes, you can mow your lawn after overseeding. However, it is important to wait until the new grass has grown tall enough to be cut by a lawnmower before doing so. Additionally, when mowing the lawn, use a sharp blade and make sure not to cut more than one-third of the grass height at once.

This will help ensure that your newly seeded lawn receives ample sunlight for healthy growth.

Should I Bag Or Mulch After Overseeding

When overseeding a lawn, it is important to consider whether to use mulch or bagging afterward. Bagging can be beneficial in that it helps the seed bed remain moist and weeds are less likely to germinate. However, this will also reduce air circulation and can potentially smother newly emerging grass seedlings.

Mulching has the benefit of providing nutrients back into the soil while helping with moisture retention and reducing weed growth; however, some seeds may not have enough contact with the soil to germinate if they get too deep beneath the mulch layer. Ultimately, both methods have their advantages, so decide which one works best for your specific situation.

Should I Bag My Grass Clippings After Overseeding

The answer to this question is yes, you should bag your grass clippings after overseeding. This will help keep the seedbed free of debris and allow for plenty of light and air circulation which are key factors for successful germination. It also helps to prevent the newly seeded grass from being smothered by thick layers of clippings, as well as reducing disease risks that can occur when decomposing organic matter is left on top of the soil.


This blog post has provided a great overview of when to mow after overseeding. It is essential to be aware of the ideal mowing timing and length for your newly seeded lawn in order to ensure it grows properly and remains healthy for years to come. Following these guidelines will help you achieve a beautifully lush, green yard that is full of life.

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