Do worms eat grass?

In this article we are going to answer: do worms eat grass, what are worms, what are earthworms, how can earthworms help your lawn, where to buy earthworms, and what to feed your worms.

Do worms eat grass?

Worms do eat grass but they do not eat grass on top of the surface. Worms eat their way through the layer below the grass and above the soil. Even if you believe this might hurt your grass, this is beneficial for grass to survive and flourish. 

Worms moving through these layers below the grass help regenerate the soil. If you see worms, especially earthworms on your lawn, it is a sign that your grass is healthy. 

What are worms?

Worms are part of the Kingdom Animalia which splits into vertebrates and invertebrates. Worms are part of invertebrates that have skins made up of collagen and do not shed their skins as insects. 

There are three main types of worms known as flatworms, roundworms, and segmented worms.


These worms are unsegmented with no backbone. Their flat shape is what allows them to breathe through their skin. 


They are smooth and tubular and have two openings at the end of their body, one that let them eat and the other to excrete the food. 

The smallest roundworm, known as Greeffiella, has won the Guinness World Record for the smallest worm measuring only 80 millimeters. 

Segmented worm

These worms have body segments and little legs that let them move around. The most common type of segmented worms is earthworms. 

What are earthworms?

Earthworms or also known as angleworms and are segmented worms part of the class Oligochaeta and member of the genus Lumbricus. The scientific name of earthworms is L. Terrestris and are known as the most common type of worm in the United States. 

Earthworms can measure up to 3.3 centimeters and are red-brown in color but some are green. They have no sense of vision or audition but they are very sensitive to vibrations and light.

The most common food for earthworms includes decaying plants and other organic components such as soil, sand, and tiny pebbles. They will normally be seen near the surface of the soil but in cold weather, they can go up to 2 meters down. 

Earthworms have a huge amount of predators such as ants, centipedes, snakes, toads, carabid beetles, nematodes, and especially birds, who are their major predators. 

How can earthworms help your lawn?

Earthworms are very important to keep your lawn and grass at their best. Earthworms help to aerate the soil, keep promoting drainage and draw organic material into their burrow. 

By doing this, earthworms promote the decomposition of organic matter and increase the production of more material for growing plants, especially grass. 

Where to buy earthworms?

Earthworms are more common to buy than you think. They are usually sold by garden supply stores or bait shops. You can use them to make a worm farm or spread them around your yard to help you with your garden. 

One pound of earthworms is usually sold for around 15 to 30 dollars per pound. If you want to look for them for fry look in garden soil, vacant lots, lawns, parks, or pastures. They are usually found in cool and moist soil. 

What to feed your worms?

If you have a worm farm, you might be thinking about what would be best for your worms to be fed. Anything that has lived and is in a decomposition state, is food for worms. This means that any dead plant, fruit, or vegetable, dead or alive is an excellent food for worms. Some ideas con what to feed your worms include

  • Pumpkins, squash, watermelon, or cantaloupe. 
  • Worm Chow
  • Coffee grounds
  • Banana peels
  • Apple cores
  • Vegetable waste

Follow this link on how to add worms to a compost pile and how to attract earthworms to your garden to help you keep your grass healthy. 


This article answered do worms eat grass, what are worms, what are earthworms, how can earthworms help your lawn, where to buy earthworms, and what to feed your worms.


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