Does Dish Soap Kill Armyworms?

Dish soap is one of the most common items in a household. It is used to clean dishes, and other surfaces, but can it also be used to get rid of pests like armyworms? Fortunately, we've done some research to see the effectiveness of dish soap in killing armyworms.

Armyworms are a type of pest that can cause damage to crops. It's a good thing that dish soap can be used to kill them. You don't need much; just a spoonful for each gallon of water will do the trick. You can apply four spoons' worth to four square feet and watch it work its magic!

In this blog post, we will explore whether dish soap can be effective in killing armyworms. Keep reading to see the other methods that can be used to get rid of these pests.

fall armyworm , Spodoptera frugiperda, prague of corn field - Does Dish Soap Kill Armyworms

What Are Armyworms and What Damage Do They Cause? 

Image of brown caterpillar on green leaf. Brown worm. Insect. Animal.

Armyworms are a type of caterpillar that can wreak havoc on crops and gardens. They get their name from their habit of moving in large groups or "armies."

Armyworms feed on the leaves of plants, and can quickly strip a plant bare. This not only damages the plant but also makes it more vulnerable to disease and pests.

In addition, armyworms can contaminate food with their waste products. To control armyworms, gardeners can use pesticides or introduce natural predators into their gardens. Armyworms are a nuisance, but with proper management, they can be controlled.

How Effective Is Dish Soap in Killing Army Worms?

A woman holding a bottle of dish detergent in her hand

In some cases, an armyworm infestation can even kill a plant! Given the destructive nature of armyworms, it's no surprise that gardeners are always looking for ways to get rid of them.

One popular method is to create a dish soap and water mixture and spray it on the plants. But does this method actually work?

Dish soap is an effective way to kill armyworms. The dish soap breaks down the waxy coating on the outside of the caterpillar, causing them to dehydrate and die. So, you can use dish soap to kill armyworms.

Besides that, dish soap is an effective way to kill armyworms because it breaks down the insect's exoskeleton. The exoskeleton is a hard, protective outer layer that helps the armyworm to retain moisture and protects it from predators.

When the exoskeleton is broken down, the armyworm loses its ability to hold onto moisture and dries out. In addition, dish soap disrupts the chemical balance of the armyworm's body, causing it to stop functioning properly. As a result, dish soap is an effective way to kill these pests.

But then, it's important to use a mild dish soap so that you don't damage the plants. In addition, you'll need to reapply the mixture every few days to ensure that all the worms are killed.

While dish soap is an effective way to kill armyworms, it is also important to take other steps to prevent them from infesting your crops in the first place. For heavy infestations, you might also need to consider using a stronger insecticide.

What Kind of Dish Soap Do You Use to Kill Armyworms? 

Bottles of blue cleaning products

It is important to choose the right dish soap when trying to kill armyworms. You need a soap that is strong enough to kill the worms but not so strong that it harms the plants.

Choose a mild dish soap. One option is to mix Dawn dish soap with water and spray it on the plants. This will kill the worms but not harm the plants.

Get Dawn detergent on Amazon.

How to Use Dish Soap to Kill Armyworms? 

To use dish soap to kill armyworms, simply mix a few drops of dish soap with water and spray it onto the affected plants. You should see results within a few hours.

You may need to reapply the solution every few days, but this natural method is far safer for both your plants and the environment.

Arlternative Methods for Killing Armyworms

When it comes to eliminating armyworms, dish soap is often lauded as an effective method. However, there are a few other methods that work just as well, if not better.


Garlic is a natural insecticide that can be used to kill armyworms. You can either mix garlic cloves with water and spray them on your plants, or you can add garlic powder to your soil.

Diatomaceous Earth

Another option is to use diatomaceous earth, which is a type of finely ground rock that can kill armyworms by puncturing their exoskeletons.

Neem Oil

Neem oil is a popular organic insecticide that works by disrupting the life cycle of armyworms. You can find neem oil at most garden stores.

Vinegar or Ammonia Solutions

Another method is to mix equal parts of water and vinegar and spray the solution on the plants. The acidity of the vinegar will deter the armyworms from eating the plants.

As you can see, there are a number of effective options for killing armyworms. Another involves ammonia, rubbing alcohol, and lemon juice.

So, if you're looking for an alternative to dish soap, any of these methods should do the trick. Experiment with different solutions until you find one that works best in your garden.

How Do You Know If You Have an Armyworm Infestation? 

fall armyworm , Spodoptera frugiperda, prague of corn field

One of the most destructive pests of turfgrass, wheat, and other crops is the armyworm. The larvae are small, greenish-brown caterpillars that can strip a plant of its leaves in just a few days.

Armyworms are particularly damaging to young seedlings and can cause extensive damage to a crop in a short period of time.

Adult armyworms are moths that are attracted to lights, so one way to tell if you have an infestation is to set up a light trap near your plants. If you find several moths in the trap, there's a good chance you have an armyworm problem.

Another sign of an infestation is the presence of small, black droppings on leaves or stems. If you suspect you have an armyworm infestation, it's important to take immediate action to control the population before it does serious damage to your plants.

How to Prevent an Armyworm Infestation? 

Fall armyworm (Spodoptera frugiperda) on maize

An armyworm infestation can be devastating to a crop. While there is no guaranteed way to prevent an infestation, there are some steps that farmers can take to reduce the risk.

  1. One of the most important things is to keep fields clean and free of debris. Armyworms often lay their eggs in dead leaves and other organic matter, so removing this potential breeding ground can help to reduce the population.
  2. In addition, farmers can use traps and baits to attract and kill adult armyworms before they have a chance to lay eggs.
  3. Finally, regular monitoring of fields can help to identify an infestation early, allowing farmers to take quick and effective action.

By taking these precautions, farmers can help to protect their crops from the devastation of an armyworm infestation.

Final Thoughts

If you are experiencing an outbreak of armyworms on your property, it may be worth trying this simple and affordable solution before resorting to more expensive methods. Be sure to review the natural pesticides to solve issues of armyworm infestation.

For more tips on how to keep your home and garden free from pests, see our posts below:

3 Types Of Neem Oil [And Common Brands]

Odorous Ants In Walls – What To Do?

Do Bonide Systemic Granules Kill Spider Mites?