How to Thin Grass That is Too Thick?

How to Thin Grass That is Too Thick?

A common problem in many lawns is that the grass becomes too thick. This can be caused by a number of factors, such as over-fertilizing, lack of mowing, or even just the type of grass you have. Whatever the cause, thick grass is unsightly and can even be dangerous, as it can lead to trip hazards. So, how do you thin out thick grass? Read on to find out.

What Causes Grass To Be Too Thick?

If your grass is too thick, it could be due to any of a number of reasons. It could be that you’re over-fertilizing, or that you have an abundance of thatch in your lawn. Thatch is a layer of dead grass and other organic matter that can build up on your lawn, and it can prevent water and nutrients from getting down to the roots of your grass.

If you have too much thatch, you may need to dethatch your lawn. Another common cause of thick grass is simply having too many seeds in the soil. This can happen if you overseed your lawn, or if there are a lot of weed seeds in the soil.

How to Thin Grass That is Too Thick?

The first step is to identify the cause of the problem. If you are over-fertilizing, then the solution is simple: stop fertilizing so much! If the problem is lack of mowing, then you will need to start mowing more frequently. And if the problem is the type of grass you have, then you may need to consider changing grasses. Once you have identified the cause of the problem, you can begin to take steps to fix it.

If you are over-fertilizing, the solution is simple: stop fertilizing so much! You should also consider aerating your lawn to help improve drainage and reduce compaction. If the problem is lack of mowing, then you will need to start mowing more frequently. Be sure to set your mower blades to the proper height; if they are too low, they will scalp the grass, which will make it more susceptible to disease and insect damage. If they are too high, then the grass will be more likely to mat down and become thick.

The best way to thin out thick grass is to change the type of grass you have. If you have a cool-season grass, such as bluegrass or fescue, then overseeding with a warm-season grass, such as bermudagrass or zoysiagrass, can help thin out your lawn. The new grass will crowd out the old grass and give your lawn a more open appearance. Be sure to consult with your local nursery or extension office before making any changes to your lawn.

Below is a YouTube video showing how to cut really tall and thick grass, you might find it helpful!

What To Do If Grass Is Too Thick for Lawn Mower?

When grass gets too thick for a lawn mower, it’s time to take some drastic measures. The first step is to mow the lawn as short as possible without damaging the blades on your mower. Next, you’ll need to rake up all of the clippings and dispose of them.

Finally, you’ll need to use a weed whacker or similar tool to trim around the edges of your lawn. If you have a small yard, this process might not take more than an hour or so. But if you have a large yard, it could take several hours.

And if your grass is really overgrown, you might need to repeat the process several times before it’s finally under control. But once you’ve taken care of the problem, be sure to stay on top of it by mowing regularly and keeping the weeds at bay. Otherwise, you’ll be right back where you started in no time!

How Can You Prevent Grass from Becoming Too Thick in the First Place?

The best way to prevent grass from becoming too thick is to mow it regularly. Mowing helps prevent the formation of thatch, which can make grass more likely to become too thick. It also allows light and air to reach the soil, promoting healthy growth.

Finally, mowing encourages new growth, which helps fill in any bare spots.

Using a Dethatcher Might Help!

A dethatcher is a tool that is used to remove the thatch from your lawn. The thatch is the layer of dead grass, leaves, and other debris that can build up on your lawn over time. This build-up can prevent new growth from taking place, and it can also make your lawn more susceptible to problems such as disease.

A dethatcher will help to keep your lawn healthy by removing this build-up and allowing new growth to take place.


It’s easy to let your lawn become too thick, especially if you have a lot of trees or other obstacles in your yard. But if the grass is too thick, it can be difficult to mow and may even start to choke out other plants.

If you find yourself with a lawn that is too thick, there are steps you can take to thin it out again. First, identify the cause of the problem. Then take steps accordingly; if you are over-fertilizing, stop fertilizing so much; if lack of mowing is the issue, start mowing more frequently; and if it’s simply the type of grass you have, consider changing it altogether. With a little effort, you can have a healthy and beautiful lawn in no time!