Is It too Late to Treat for Grubs in Lawns?

As a lawn owner, you might have a typical question in your mind, especially if your lawn has been attacked by grubs. The question is: Is it too late to treat for grubs? Well, there are some points you need to consider before getting the exact answer to the question.

For example, you must take the ingredients into consideration to know whether it is too late or not. Even you have to consider the weather condition of the area where you live. For a detailed answer, scroll down your mouse and go through the whole article.

Consider Ingredients to Know If It Is too Late to Treat for Grubs

While learning about the right time of treating grubs, you need to know about the ingredients of grub killers. It is because different types of ingredients are effective at different times of the year. So, what are you waiting for? Let’s learn about the ingredients!


If the product you have bought for controlling grubs contains Trichlorfon, then it is a grub preventive product. You will get the best output if you apply it in September. It is capable of killing up to 80% of grubs in your lawn if you apply in the recommended time.

On the flip side, you will be able to control up to 55% of the grubs when you apply it in late October. If you apply the insecticide in either November or December, it is too late for grub killers containing Trichlorfon.


Imidacloprid is another effective ingredient used for making grub killer products. If you buy a product containing this ingredient, then it is the best choice for you to apply it in between July and August.

This is the time when this ingredient comes out with a robust force to fight grubs. To be specific, the ingredient can kill up to 100 percent of lawn grubs if it is applied in July. So, it is apparent that September is too late to apply this type of grub killer.


It is a natural option to treat grubs in the lawn. If you are against chemical products, then this is the best choice for you. Though it is a good choice for your lawn, you will cost you some extra efforts. For instance, you have to make sure that your lawn has moist soil while applying nematodes. In addition, you need to apply it when the sun is away.

However, when it comes to performance, it is capable of killing up to 96 percent of those nasty grubs. To get the best output, nematodes must be applied in September. If you apply it later, it is too late.

Mixed Ingredients

Some of the modern grub killers contain mixed ingredients. As a result, it is a little bit difficult to guess what the best time for application is. The good news is that modern products are flexible to apply at any time of the season.

So, depending on your demands, you should approach a grub killer. Before approaching, try to learn the best time of application of that particular product. For more information, you can also knock the supplier of the product. They are always ready to answer to your question.

Decide over Whether You Need Preventive Control or Corrective Control

At the time of deciding over the treatment of grubs, you have two possible options. One is preventive control and the other is corrective control. Both of the methods are effective when it comes to treating grubs in lawns. But the methods do not go smoothly during all the seasons. So, you have to consider the time of the year before choosing any of the methods. Let’s learn in details:

Preventive Method

The best time for applying preventive control to kill grubs in lawns is Spring. So, if you are planning to treat grubs in your lawn during spring, then you must go for preventive grub control materials. These materials are designed to kill grubs before they hatch in late summer.

This method generally ensures you a couple of months of grub control. Hence, you can stay worry-free during the whole season. But if miss the time to apply the preventive method in your lawn, you must go for the next method. It is because preventive products cannot kill grubs properly.

Corrective Method

Is it summer in your area? If the answer is “yes”, then you have missed the chance to apply the preventive method in order to control grubs. In this case, you need to go for correcting your lawn. As it kills the existing grubs, it is often called the curative method. For this purpose, you will find a lot of curative grub control products in the market. Just pick any one of them and apply it according to the guidelines.

However, if you need to apply curative products on your lawn, then you have to make sure that you are making your lawn watered. The fact is that these products cannot provide you with good performance without proper water.

Should You Wait till Late Summer as Grubs Have Already Hatched in Your Lawn?

It is one of the most common questions we hear from lawn owners. Though it seems to be a silly question, it is typical to have the question in your mind. The fact is that you often hear about two types of grub control in lawns. If you miss the first one, your mind pushes you to go for the next one.

Well, we don’t think that you should wait for the next season to treat your lawn. As you are experiencing the problem right now, it is better to do something without waiting for the next season.

But what method should you choose in such a situation? Well, you have nothing to worry about the methods. There are some modern grub killers found in the market. These insecticides are capable of killing grubs at any time of the year. Just find out a good grub control product for this purpose and start treating your lawn.


In the end, we can say that it is never too late to treat for grubs. You can take steps at any time of the year when it comes to controlling grubs in lawns. By the way, be cautious while applying grub control products. In this case, we recommend you to read the label of the product you have bought. This will ensure you to enjoy the best performance.

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