3 Ways to Apply Diatomaceous Earth Outdoors wikiHow
Dec 18, 2019· Diatomaceous earthis a mineral powder that can be used to get rid of fleas, cockroaches, ants, and dust mites from your garden. It can cause irritation if it''s inhaled, so always wear a face mask and gloves when you apply it. Only apply the powder to plants that are being eaten so you don''t kill beneficial insects.