We offer simple utility tips for vegetables, herbs, ornamentals, and houseplants.

What Is Diatomaceous Earth?

However, one of the main uses for diatomaceous earth is for garden pest control.

Sprinkling diatomaceous earth on vegetable plants to deter leafhoppers

Helin Loik-Tomson / Getty Images

Which DE Should You Buy?

Want more gardening tips?

Never apply DE to flowers or plants that pollinators visit often.

Diatomaceous earth white powder sprinkled alongside exterior house wall to repel ticks

The Spruce / Sarah Lee

Reapplying DE will ensure you treat for current and future generations of pests.

Diatomaceous earth is effective against most pests with exoskeletons, as well as slugs and snails.

NATURAL PRODUCTS FOR MANAGING LANDSCAPE AND GARDEN PESTS IN FLORIDA,University of Florida Extension

Spider mites

Tomasz Klejdysz / Getty Images

Diatomaceous earth pellets poured into garden to prevent slugs

The Spruce / Heidi Kolsky