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What is an Earthworm Worth? An infographic

  • by
  • Gene Caballero
  • November 21, 2021

Earthworms offer a wide range of benefits to American lawns. While it’s true that too many can be harmful to a lawn, most of the time they offer incredible benefits. This infographic covers some of the most important functions of earthworms in a lawn.

What are the benefits of having earthworms in the lawn?

Earthworms offer many benefits including: increasing phosphate in the soil, increasing nitrogen, and even increasing potassium. They also fertilize the soil, eat nematodes, and improve both aeration and water filtration. As a result they serve as a production facility for organic lawn fertilizer.

How do worms improve soil aeration?

As worms tunnel through the soil, they loosen it. The more time they spend tunneling through the soil, the more they loosen and aerate the soil. This not only improves the circulation of air, it also allows water and nutrients to reach deeper into the soil. 

Can worms remove thatch from the lawn?

One of the often overlooked benefits of having earthworms in the lawn is the fact that they can even break up thatch. The same means by which they aerate the lawn beneath the surface, they break up thatch each time they come to the surface. 

Did you know that worms eat nematodes?

Nematodes are parasitic and can feed on the roots of our grass. This can cause wilting and even bare patches. Fortunately earthworms can remove these little creatures and help keep your lawn safe. 

Worms also increase the presence of beneficial microbes by reducing the number of harmful bacteria. These beneficial bacteria can have a tremendous positive impact on your lawn. From increasing your lawns ability to withstand drought, to protecting it from other diseases.

“It may be doubted whether there are many other animals which have played an important a part in the history of the world as these lowly organized creatures.” -Charles Darwin 1881

As you can see from this infographic, to answer the question of what an earthworm is worth. Earthworms are worth a lot when it comes to building and maintaining a healthy lawn! This infographic was created by

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