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3 Natural Remedies to Eliminate Garden Pests

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Slug on a white background, vector illustration
Your Garden Slug

There’s nothing more frustrating than spending time, energy and money putting in a garden, particularly a vegetable garden, only to have it disappear down the gullet (or whatever they have) of your friendly garden slug. But slugs are just one of  a whole host of pests that can silently and efficiently decimate your garden, because nothing tastes better than a free lunch!

If you’re like me and would prefer not using toxic chemicals on my flowers, or particularly on the vegitables I intend my family to eat,  here are three natural remedies that can eliminate these pesky pests.

spray-bottleWhat You Need

Spray bottles
Biodegradable liquid dish soap
Lemon or orange essential oil
Cooking oil
Baking soda
Garlic
Chili powder
Water

Natural Insecticidal Soap Spray

This is by far the spray I reach for most often. It’s easy to make and keep on hand, and should take care of most of those annoying common pests such as aphids, mites, white flies, thrips, and mealy bugs. It kills them by attacking them at the skin, suffocating and therefore eliminating them. I like to add a few drops of orange or lemon essential oil, which is in itself a natural insecticide, especially effective against ants and scale, and it also helps the the spray stick to your plants.

1 1/2 tablespoons of liquid soap
1 quart of water
A couple drops of orange or lemon essential oil

Use a biodegradable, liquid soap (such as Murphy’s oil soap, castile soap or Ivory), to make the mixture. Add water and essential oil to the spray bottle and shake. Spray your plant thoroughly, making sure you cover the underside of the leaves as well.

All-Purpose Garlic Chili Spray

Pepper and garlic are both natural insect repellents and will help to repel Japanese Beetles, borers, leafhoppers and slugs. Garlic also deters larger pest like deer and rabbit.

Natural Insecticidal Soap Spray (from recipe above)
1 tablespoon of chili powder (you could also use fresh or dried hot peppers)
5 cloves of garlic, crushed and cut roughly

Allow garlic and chili powder to steep overnight. Strain and pour into a spray bottle. Add Natural Insecticidal Soap Spray. Should keep for a couple weeks.

Baking Soda Spray

This spray is great for treating plants with fungal diseases. There is nothing quite as frustrating as discovering your plant has an unsightly case of mildew, a type of fungal disease. Suddenly your beautiful green cucumber and squash leaves are replaced by patches of grayish-white blotches.

1 tablespoon of baking soda
1/2 tablespoon of oil
2 quarts of warm water

Add baking soda and oil to a cup of warm water until it dissolves. Mix in the rest of the water. Before attempting to spray and treat your plant, remove the most severely damaged leaves first. Then spray your solution, repeating every few days until it disappears. This mixture is best made and used immediately.

Additional Notes: It’s best to spray your plants in the morning, before the sun is too hot or you run the risk of burning the leaves of your plant. And while these spray are non-toxic and less harmful than commercial pesticides, they will kill beneficial bugs along with the harmful ones. I recommend using these sprays sparingly, only treating the infected plants.