Eliminate Armyworm Lawn Pest with this TikTok Dish Soap Hack – HouseDigest

Eliminate Armyworm Lawn Pest with this TikTok Dish Soap Hack - HouseDigest

As homeowners, we face several challenges in maintaining our lawns, and pests are one of them. We have to deal with grubs, beetles, cinch bugs, and many more to ensure that our lawns remain lush and green throughout spring and summer. However, one pest that is not well-known but equally harmful is armyworms, which are a type of caterpillar that eventually turns into moths. Armyworms can cause severe damage to lawns, and if left unchecked, they can destroy the entire lawn in just a few days.

We have some good news for you. TikTok content creator RootedLawnCo has discovered a hack to remove armyworms from lawns. In his video, which has over 4 million views, he shows how a simple solution of soap and water can bring armyworms hiding in the soil to the surface. Despite his bio only stating “satisfying lawn videos and lawn care tips,” RootedLawnCo has over 50,000 followers on TikTok and more than 80,000 on Instagram.

If you are noticing signs of armyworms in your lawn, such as brown patches and translucent grass blades that have been eaten away, it may be time to try this easy trick to identify and eliminate the problem once and for all.

Using soapy water on armyworms


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In a viral TikTok, RootedLawnCo exhibits how he has drawn armyworms out of the soil so that he may rid the area of these harmful pests. With just soap and water, we see him pour this solution on a patch of grass and watch an armyworm wiggle to the surface. Although the video doesn’t provide much detail, he did answer many questions in the comments. When asked how much soap to use, he responded, “A dab will do.” Another commenter questioned if this kills the armyworms, to which he clarified that no, this won’t kill them and is just a soap test that will reveal if these pests are present.

The soapy water will irritate insects hiding in the soil, forcing them out to relieve that pressure. However, since the soapy mixture is ineffective at killing armyworms, you’ll want another solution to eliminate them. Pesticides with chemicals like Bacillus thuringiensis and Spinosad are fatal to armyworms. But, if you’d like to avoid applying chemicals and insecticides, there are natural remedies you can try instead. Beneficial nematodes, which are microscopic worms, feed on pest populations when released into the soil. These can often be found in local garden stores or online. Neem oil can also kill armyworms and can be mixed with water and soap for lawn application several times a week. Otherwise, as you pour soap and water on your grass, you can watch these caterpillars rise to the surface and pick them off one by one.

Dr Heidi Parkes

By Dr Heidi Parkes

Senior Information Extension Officer QLD Dept of Agriculture & Fisheries.