Causes of Burnt Grass and How to Fix It

By
Nora Held
Nora Held
Research Writer
Apart from being our main writer, Nora also works for a number of gardening-related sites and magazines, sharing her experience as an owner of a small farm in North Carolina read more
reviewed
Reviewed By
Bruce Williams
Bruce Williams
Expert Consultant
Bruce owns a small farm and loves to grill since his early childhood. He’s a professional cook, but hiking and enjoying the great outdoors is his no less favorite part of read more
Last updated: August 12, 2023
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Fertilizer is known as ‘food for plants’ because of the numerous nutrients that are contained in it. These are combined to make your lawn or turf look green and healthy as the plants grow. However, as with almost everything, too much of a good thing can be a bad thing. If your efforts to keep the plants healthy and green result in burnt grass, this post is just for you. Here we will show you how to fix burnt grass.

We will consider a lot of things that will help care for your grass. You will see the symptoms of burnt grass and the steps you can take to make your grass healthy once again.

Causes of Burnt Grass

Let’s consider some of the most common causes of burnt grass and the ways to fix them.

Over-fertilized grass

One of the things that cause burnt grass is over-fertilization Trusted Source Fertilizer burn - Wikipedia Fertilizer burn is leaf scorch resulting from over-fertilization, usually referring to excess nitrogen salts. en.wikipedia.org . As we said, fertilizers are good for plants, but when they are added in excess, it can result in issues. The salts found in the fertilizer will build up in your soil and cause burns.

Fertilizer burn does always result in the death of your grass; however, it can be difficult to know how much the lawn or yard can recover. The ability to recover often depends on the type of fertilizer and the amount of fertilizer added.

Symptoms

Causes of Burnt Grass and How to Fix It

The main symptom of over-fertilized grass is that it turns yellow or brown.

How to fix

If you have this problem, then there are certain steps that you can take. In this section, we will provide the tips that can help you.

  • Remove the Fertilizer

If the fertilizer you are using is a granular option and it can be seen, then the first step to healing your lawn is to remove the fertilizer. You can easily do this by using a vacuum to remove the fertilizer before it dissolves into the soil.

When you are doing this, there are safety tips to observe. For one, you should avoid allowing the fertilizer to come into contact with your skin.

  • Apply Water

Another step to take is to apply water. Short of removing the fertilizers, you should immediately apply water to the burnt grass. Water is a universal solvent, which means that it will be excellent at removing the fertilizer’s salt from the root of the grass.

To do this correctly, water the lawn until the soil is saturated. Repeat this process daily for one week. It will help with correctly the burns and will reduce chances of diseases.

  • Observe

After removing the fertilizer and applying water, you can only wait and hope that the lawn recovers from the over-application of fertilizer. If after waiting for a while you don’t see any changes, then you will have to plant new grass as replacements.

Sun-burnt grass

We have arrived in the hot summer months when the temperatures are pretty high. These high temperatures can result in discomfort, not just for you, but also for your grass. In this section, we will see what you can do to care for sun-burnt grass.

Symptoms

If the temperatures are high and you observe that the lush, green grass that you had previously has turned yellow and is dry in patches, then your lawn is likely suffering burns from the sun. If you observe such, then here are the steps that can help you.

How to fix

Causes of Burnt Grass and How to Fix It

There are some things that when done can help with curing your lawn of sun-burn. The major thing that can help you to fix a sun-burnt lawn is watering.

Watering is pretty simple, but it is widely effective at helping you to fix dry grass. So how do you water the grass correctly?

You likely have been watering the lawn, but you will need to do more. It is recommended that you water the grass three times every week, spending at least half an hour on each zone. That is plenty of water, and though it might be expensive, it is one of the sure-fire ways to ensure that your sun-burnt grass returns to the right condition.

The addition of so much moisture will reduce the stress on the lawn. With regular watering, you will quench the thirst of the lawn.

Grass burnt from weed killer

Weed killers are effective at getting rid of weeds on the lawn, however, they might be too effective, so to speak. When over-applied, it might end up affecting your grasses too. It might not completely kill them off, but it will affect the greenness of the grass.

Symptoms

Causes of Burnt Grass and How to Fix It

If you have issues with weed killers, then the grass will appear yellow, dry, or burnt.

How to fix

  • Read instructions from the manufacturer

There are different types of weed killers on the market, and they come from different manufacturers. Therefore, before you apply a weed killer, you should read the instructions and ensure that it is safe to use. Some are selective and will kill only special types of grasses. If your grass is struggling, you should not spray any weed killer near it.

Grass burnt from turf builder

The turf builder is exactly what the fertilizer is. Therefore, the same thing that we considered for caring for and fixing over-fertilized grass is applicable in this regard.

Symptoms

As with other burnt grass, one of the major symptoms is yellow, burnt, or dry grass.

How to fix

  • Remove the turf builder

If the turf builder you are using is a granular option and it can be seen, then you should remove the fertilizer. You can do this by using a vacuum to remove the fertilizer before it dissolves into the soil.

  • Apply water

Another step to take is to apply water. You should immediately apply water to the burnt grass. Water is a universal solvent, which means that it will be excellent at removing the fertilizer’s salt from the root of the grass.

To do this correctly, water the lawn until the soil is saturated. Repeat this process daily for one week. It will help with correctly the burns and will reduce chances of diseases.

  • Observe

After removing the turf builder and applying water, you can only wait and hope that the lawn recovers. If after waiting for a while you don’t see any changes, then you will have to plant new grass as replacements.

How to prevent burnt grass

Some tips can help you to avoid fertilizer burn on the lawn. In this section, we will see the best things you can do to keep the lawn great all year long.

Use organic fertilizers

Causes of Burnt Grass and How to Fix It

The first step to preventing burnt grass is to use organic fertilizers to care for your plants. Organic fertilizers are broken down by the microbes in the soil safely. With this natural decomposition, there is a lower chance of fertilizer burn. The Advanced NPK fertilizer from Simple Lawn Solutions is one of the best fertilizers that will help your grass grow green and healthy.

Follow instructions

Another thing that you should keep in mind is that you should follow the instructions on the fertilizers’ package. You have to apply the fertilizer exactly as stipulated by the maker. Since there are different types of fertilizers, you cannot use the same method for all of them. Therefore, carefully read and apply the instructions.

Reduce the stress on the lawn

If the lawn is short of nutrients, light fertilizer application can help it to grow healthy. However, if the fertilizer application is too much, you will be putting too much stress on the lawn, which in turn will affect weak grass and will cause it to burn. Apart from fertilizer application, you also need to note the condition of the lawn. It might already be suffering from stress due to heat, disease, drought, or something else. In such a case, do not add any fertilizer as it will only result in more damages.

How to heal the burnt grass: Dos and don’ts

There are several things that you can do to keep the lawn looking great again. In this section, we will reveal some of the dos and don’ts recommended by experts around the country.

Mowing

When you discover burnt grass, this is not the time to mow the grass. Why? Well, the condition of the grass is already precarious, and mowing it can make it worse. It will only add more pressure to the already stressed grass. Therefore, we recommend that you leave the grass the way it is.

Apart from that, it is advised that you stay off the grass. If you have any activities that you usually do on the lawn, you might want to look elsewhere to do them until the grass is healed.

While all of these are great on paper, sometimes, you just cannot tolerate the length of the grass and you simply want to mow it. If you must do this, then you must check out the blades of the mower. It should come with sharp blades since dull blades might destroy the grass’s form.

Watering

Another thing that you might want to do with burnt grass is to water it. If you are thinking about that, you might need to change the watering process to get the best results.

There will be some areas that have completely burnt grass while other spots might remain healthy. If you have such spots on the lawn, you would want to give different amounts of water.

As you water the burnt area, you need to pay more attention to these spots. One of the things you can do is to water them every morning due to the reduced heat. This will ensure that all the water goes for their benefit.

Another thing that we will recommend in this section is that you water until the water reaches the roots of the grass. It should go deep into the roots, and you can confirm this when the very soil is very wet.

One error that many make is to assume that sprinkling the plants is enough to ensure that the grass remains healthy. While that might prove true for healthy grasses, it is not true for burnt grass since sprinkling will not have the water reaching the roots of the plant.

If your watering is too shallow, it might even completely kill the grass. This is because the roots will reach upward to get moisture, which will expose them to more heat and kill them.

If you have burnt grass, then you should water the grass with a lot of water until the soil is wet. You should install a good sprinkling system. Reviews from buyers indicate that the Melnor 65003-AMZ is one of the best sprinklers that you can buy.

Planting new seeds

Causes of Burnt Grass and How to Fix It

If after all your efforts, you don’t see any changes, then you might need new seeds. If the affected area is large, it might be impossible to plant newly except you are changing the whole lawn. However, if the affected area is relatively small, then you can do some alterations.

Instead of fretting over caring for a small patch of burnt grass, you can simply uproot all the burnt grass and just plant new grass. Doing this is simple and straightforward because you don’t have to revive the dead plants.

So, what should you keep in mind when getting new seeds? Well, here are some things to consider.

First of all, you should remove the old soil and add new soil so that the new seeds will grow healthily. Another thing to keep in mind that will help you is watering the new plants. You must keep watering for some weeks consecutively until the growth is visible.

When buying new seeds, there are some things to also consider.

You should not just buy any seed due to the expensive or low price. Why? Because while the quality of seeds is important, it is not as important as you might assume. The seeds only play a small role in whether the grass will grow well or not.

Therefore, before you buy any seed, analyze the type of soil that you have. Some seeds are great for specific soils while they might not do well in some others.

Some sellers might say that their seeds have special coatings and include fertilizers that help germination, however, the truth is that grass seeds do not need all of that to grow healthily.

Adding sugar

Do you love sugar? Well, so do your plants! Many are in the dark concerning the benefits of sugar on the grass. If only they knew the numerous advantages!

By adding sugar, you will observe that your grass remains healthy and looks good for a long time. Sugar is great for the soil and it can boost the organisms and microbes that call the soil their home.

To get the best from sugar addition, we recommend that you add 1 pound of sugar for every 300 square feet. If you are one of those that know the benefits of sugar and have already added it to your soil, then you should not add any more fertilizers.

Re-sodding

If the damage is so much that small solutions are ineffective, then the best thing to do is to re-sod. In other words, you will have to plant a new lawn.

In this process, you have to remove the burnt grass then add a new layer of sod. Just from reading, it is clear that this is no easy task to undertake. It is time-consuming and expensive. However, all the sacrifices made pale in comparison with the benefits.

After re-sodding, you need to make sure that the lawn is carefully maintained to avoid the occurrence of burnt grass again.

How to regrow lawn grass

If you have burnt grass and are looking to remove them all so that you can regrow the lawn grass, then this section will help you. Here we review the steps to take that will assist you to regrow the grass without plenty of hassle.

Step 1

First, remove the burnt grass from the lawn. While you might not get everything, you should remove as much as you can. A rake will come in very handy in this step.

Step 2

After clearing the lawn, fill it to the brim with new soil. Once again, the rake will come in useful.

Step 3

After you have filled the lawn with soil, you need to water it every day. This can be a time-consuming system, which is why we recommend that you set up an automatic irrigation system.

Step 4

After your care, the grass should start responding to your ministrations. After planting the seeds, we recommend that you cover them with straws to stop birds or insects from getting through to them.

Step 5

After the new grass is grown, ensure that you keep an eye on your grass and ensure that no burning happens again.

Final thoughts

Taking care of the grass of your lawn can be a hard task, but when done rightly, it is certainly worth it. If you see that you have burnt grass, you can use this article to fix that. We have seen some of the things that can cause burnt grass and we have given you tips on how to fix burnt grass. Have an excellent time caring for your grass!

References

1.
Fertilizer burn - Wikipedia
Fertilizer burn is leaf scorch resulting from over-fertilization, usually referring to excess nitrogen salts.

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