Diatomaceous earth is a white powder made from crushed ancient diatom fossils. Its sharp edges damage insect bodies, making ...

Diatomaceous earth can kill ticks in dry, sheltered areas but is often not effective outdoors. Plant herbs, remove animal attractants, and use other deterrents to reduce tick presence. Keep your yard ...

To use diatomaceous earth outdoors, apply a fine layer to the perimeter of the patio or garden, paying special attention to any cracks and crevices in your walkways or patio. You can also apply it ...