can you use diatomaceous earth in vegetable garden

can you use diatomaceous earth in vegetable garden

What is Diatomaceous Earth?

Diatomaceous Earth (DE) is an effective organic pest control product. It is an all-natural, siliceous sedimentary mineral made from the fossilized remains of diatoms (small aquatic organisms). DE is known to be one of the most effective insect killers and pest repellents available in gardening.

How Does Diatomaceous Earth Work?

DE works by dehydrating bugs that come in contact with it. The tiny particles of DE that are abrasive and sharp to insects cut through the waxy outer layer of insects, causing them to become dehydrated and die.

How to Use Diatomaceous Earth in a Vegetable Garden?

DE can be used to control pests in your vegetable garden. Here are some tips for using DE in your vegetable garden:

1. Apply DE Regularly

It is important to apply DE every two weeks to keep the insects at bay.

2. Use the Right Type of DE

Make sure to purchase DE that is food grade, so that it is safe for your vegetable plants and safe to eat.

3. Create a Barrier

Sprinkle DE around the perimeter of your garden. This will create a barrier to keep insects away from your vegetables.

4. Follow Label Directions

Be sure to follow the label directions when using DE as too much can harm your plants.

Benefits of Using Diatomaceous Earth in Vegetable Garden

  • Organic: DE is an organic pesticide that does not contain any harmful chemicals.
  • Environmentally friendly: DE does not harm beneficial insects, such as bees and butterflies.
  • Cost-effective: DE is a cheaper alternative to chemical insecticides and repellents.
  • Long-lasting: DE stays active in the soil for up to four weeks.


Using DE in your vegetable garden is an effective and cost-effective way to control pests. DE is an organic, environmentally-friendly, and long-lasting solution. Be sure to follow the label directions when using and make sure to purchase food-grade DE.

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