Green Trading Diatomaceous earth powder is made up of tiny fossilized diatoms (plankton) that have accumulated over millennia in freshwater lakes. These pure deposits are mined and ground into a fine powder that is naturally high in silica and other minerals. It is this chalky white powder that we call diatomaceous earth. The uses for diatomaceous earth are many but in the garden diatomaceous earth can be used as an insecticide. Diatomaceous earth works to get rid of insects such as ants, aphids, thrips, mites, slugs, snails among others. One of the benefits of diatomaceous earth for insect control is that the insects have no way to build up a resistance to it. Diatomaceous earth will not harm the worms or any of the beneficial microorganisms in the soil.
