How to Use Diatomaceous Earth in Potted Plants

In this article we will explain how to use diatomaceous earth in potted plants, you will learn all the advantages of this amazing mineral.

This mineral is used in agriculture and livestock farming as a natural contact insecticide, fertilizer, and as an additive for animal nutrition.

What is Diatomaceous Earth?

Diatomaceous earth, also known as diatomite or kieselgur, is derived from the fossilized skeleton of microscopic single-celled algae with a silica coating that has accumulated on the seafloor over millions of years.

diatomaceous earth bed bug

Advantages of Diatomaceous Earth

Using diatomaceous earth in potted plants has many advantages, it also has advantages for our garden and home:

  • Effective against insects, mites, and other pests with chitin exoskeleton.
  • Naturally rich in trace elements and minerals essential for plants.
  • It has no safety period; we can apply it during any phase of our crops.
  • Its effect is preventive.
  • It is harmless for people and pets.
  • It is a mineral of natural origin, not chemically treated.
  • 100% biodegradable and environmentally friendly product.
  • It can be used to control domestic pests such as cockroaches and ants.
  • Can be used for internal deworming as an additive for animal nutrition in livestock farming.
  • In poultry farming, besides deworming, it also helps to harden the eggshell.

Why Is Diatomite a Good Pesticide?

As we have already mentioned, the use of diatomaceous earth has several advantages, but nothing beats its use as a pesticide. Due to the natural structure of diatoms and their silica coating, diatomaceous earth acts physically and by contact with a drying effect.

When a pest with a chitin exoskeleton (its waxy outer covering) comes in contact with diatomite, the microscopic silica in the product perforates and destroys the waxy covering of the pest, causing its dehydration and death by desiccation.

This mineral has a physical contact action, so it does not generate resistance in insects (Order it here).

diatomaceous earth garden fertilizer

What Pests Can We Control Using Diatomaceous Earth in Potted Plants?

Diatomaceous earth is excellent for controlling all kinds of pests in potted plants with chitin exoskeleton, its use is a nightmare for major garden and household pests. Listed here are some of the pests we can control by applying this mineral:


Lepidoptera larvae (caterpillars in general)

Mites (red spider mites, yellow spider mites, etc.)






Lice and fleas


Woodworm and termites

How to Use Diatomaceous Earth in Potted Plants

We prepared this video on how to use diatomaceous earth in potted plants. We also explain how to use it as fertilizer.

Diatomaceous Earth Side Effects

The use of this product is safe for the health and respectful with the environment, as long as it is used following the dosage and recommendations of the labeling of the product.

HARRIS Diatomaceous Earth Food Grade, 4lb with Powder Duster Included in The Bag
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HARRIS Diatomaceous Earth Food Grade, 4lb with Powder Duster Included in The Bag
  • Natural Product - Composed of 4lbs of 100% ground freshwater diatomaceous earth with absolutely no additives or fillers.
  • OMRI Listed - Listed with the Organic Minerals Research Institute, a non-profit organization that reviews products against organic standards.
  • Powder Duster Included - Powder duster in the bag for easy and efficient application of diatomaceous earth on animal feed
About Henry Morgan

We are the Morgan family, Henry, and Julia, both agronomists from the University of Michigan, where we met. We are experts in putting our hands in the soil and developing organic foods and improving production processes for decades. Likewise, we have worked for companies such as Mondelez International, BASF, Monsanto, etc. currently in our role as science writers for as well as advisors in promoting large scale food growing in urbanized areas. In this website, we share what we are most passionate about, gardening and farming. Enjoy and see real photos on our website.

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