11 Ways to Use Diatomaceous Earth in the Garden

Diatomaceous earth is organic non-toxic and is a great way to control garden insect pests and other crawling insects this naturally occurring substance makes DE a must-have. Diatomaceous earth is a type of powder made from the sediment of fossilized algae found in bodies of water, such as streams, and lakes. rivers, and ocean beds. The cells of these algae were found to be high or have an abundance of a compound called silica. The dried sediment that is produced from fossils is said to be rich in silica.

Diatomaceous earth can also be used in edible gardens (Food-grade DE is safe for your garden) which makes DE a must-have, besides controlling garden insects we will be looking at other ways this natural substance can be of benefit in the garden.

Warning: Before applying DE make sure that you are wearing the right safety gear, (safety goggles, gloves, long sleeve shirt, pants, and a mask). DE if inhaled can cause lung and skin irritation

1. Keeping snails and slugs at bay

Snails and Slugs can do a lot of damage to garden plants, these garden pests are known to consume entire herbaceous plants. Snail baits are great for eliminating or keeping snails and slugs at bay. Eggshells are also effective in keeping snails and slugs away, once the shells are broken up and sprinkled around garden plants their jagged edges will deliver painful cuts to their bodies. But Diatomaceous earth can rid your garden of snails and slugs also, apply diatomaceous earth in a circle around garden plants. When the snail or slug comes into contact with this powdered substance it will dry their bodies out causing dehydration followed by death.

2. DE is offensive to rodents

Rats, moles, rabbits, and mice are uninvited guests that will damage garden plants. Not to worry however because DE is on the job and will go to work for you. In small containers or jars place a bit of diatomaceous earth along with a few drops of citrus essential oils or peppermint. Placing these containers or jars throughout your garden will keep rodents out because they find the odor to be offensive and will stay clear.

3. Potting soil

Make soil improvements, DE is lightweight and porous, mixing a few drops will improve air circulation around the plant’s roots and also increase the soil drainage.

4. Compost pile

If you notice maggots in your compost pile and are tempted to use chemicals to get rid of them then think again, what you don’t want is to contaminate your compost. The key to getting rid of maggots while keeping your compost pile contaminated-free is dusting your compost pile with DE. Diatomaceous earth will dry out the bodies of maggots eliminating them.

5. Ants

Ants can become a nuisance, especially fire ants which can deliver a painful sting, to get rid of ants simply dust anthills and the surrounding areas with Diatomaceous earth which will cause ants to pack up and ship out.

6. Preserve cut flowers

Fresh-cut flowers can make a world of difference in an indoor or outdoor environment such as floral arrangements or potted plants placed on patios, decks, porches, or a balcony, the key to preserving your cut flowers so they can stay fresh a bit longer is mixing in diatomaceous earth.

7. Control gnats and fruit flies

Fruit flies and gnats can become an eyesore, these insects love to hover over damp soil, overripe fruits, or potted plants. The solution is to simply sprinkle or dust fruits, damp soil, or potted plants with diatomaceous earth. This will dry out their bodies causing death.

8. Use DE as a deodorizer

Cats and dogs are curious and love to be outdoors wandering in garden areas, their poop can be unpleasant.  Mixing DE into the top few layers of soil or just liberally sprinkling it over the soil surface will act as a deodorizer.

Note: Diatomaceous earth can also be applied as a spray solution,  mix it with water, and apply it to a sprayer to get hard-to-reach places, like the undersides of plant leaves. DE is only effective when dry, wet applications will begin to work against garden insect pests once extra moisture evaporates or dries.

9. Control Indoor Plant Pest

DE can be used indoors on potted plants to control insect pests for example spider mites, mealybugs, thrips, and other indoor pests. Simply take your potted plants outdoors in a shaded area away from the direct sun and sprinkle lightly with DE. Once done indoor plants can be returned.

10. Use DE as a Barrier

Sprinkle DE in an unbroken cycle around individual plants or garden plants including plant beds, with the use of a duster or DE applicator to control insect pests.

11. Use DE as a Barrier Against Household Pests

Sprinkle DE around window frames, doors, potting sheds, garages, etc.. to keep ants out of your home. Follow the manufacturer’s directions for the best results and make sure that kids and pets are not around when applying to avoid inhaling DE dust.

Note: Heavy rain can wash away DE it is important to reapply DE after rain falls and as long as no rain is forecast.

Warning

Avoid inhaling diatomaceous earth because it can irritate your nasal passage, inhaling large amounts may cause shortness of breath or coughing. DE may also cause eye irritation, skin dryness, and irritation. For the best results follow the manufacturer’s direction.

Conclusion

Diatomaceous earth has so many benefits in the garden. This all-natural substance is a gardener’s dream of getting rid of many issues that plague garden plants. Don’t hesitate but reach for DE and give it a try, you will see firsthand the amazing results you will get as you seek to win the war on garden insect pests and also to solve other garden issues.