Dre Campbell Farm
Garlic Spray for Pests (Repels Aphids, Whiteflies, Mosquitoes & Bugs)

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Homemade Garlic Spray for Pests

Insects seem to react to the pungent smell of garlic much as some people do – they hate it. This makes it useful in several ways in the garden and yard.

Making garlic spray for plants is cheap and easy. Moreover, it works great for controlling mosquitoes, aphids, whiteflies, and bugs.

Below you’ll learn how to use garlic for pest control and more.

Garden Benefits 

  • A homemade spray of garlic is a natural way of dealing with general pest problems affecting garden plants.
  • Mice, rabbits, moles, and deer are also discouraged by the scent of the solution. As a result, they will avoid coming near.
  • Garlic juice can help fight some plant diseases. It is effective against downy mildew and Phytophthora leaf blight of tomato [1]. You can also use it as a preventative measure for powdery mildew on plants and other harmful fungi.
  • Moreover, garlic water spray will not hurt your plants or the environment. It is also safe to use around children and pets if used correctly.

This home remedy is entirely natural and is a suitable alternative to try to repel or eliminate pests in the garden.

Insects That Garlic Repels

Garlic contains sulfur compounds which act as a natural repellent for many bad insects in your home and garden [2]. Insects and bugs that garlic pesticide repels include:

  • Aphids
  • Caterpillars
  • Mosquitoes
  • Mites
  • Whiteflies
  • Armyworms
  • Bugs
  • Ants
  • Beetles
  • Cutworms
  • Slugs
  • Borers
  • Flies
  • Termites
  • Spider mites
  • Cabbage worms

However, one downside is that it may also repel some beneficial insects and pollinators. Therefore, do not apply prior to pollination or during pollination.

How to Make Garlic Spray for Garden

Commercial sprays containing garlic can be purchased from the garden store or online. However, homemade ones are easy to handle, cheap, and far more satisfying to prepare.

There are many DIY garlic insecticide spray recipe variations online but below are the simplest ones.

Basic Garlic Pesticide Recipe

To use garlic as a pesticide, separate 4 or 5 cloves of garlic (no need to peel) and put into a blender, food processor, or mortar and pestle.

Next, add 2 cups of water plus a few drops of organic liquid soap and blend until smooth. If not using a blender, continue to mash with water until very smooth to make into a concentrate.

When ready to use, strain the liquid thoroughly to avoid chunks of garlic clogging the spray container. To be sure that you get out all the pieces, strain through a cheesecloth or fine mesh strainer.

Next, use immediately as the longer it stays, the less potent it becomes. This DIY spray works for mosquitoes, aphids, and a plethora of other pesky insects.

Another Recipe

Mince 4 cloves of garlic and add to a tablespoon of mineral oil. Let the mixture sit for 24 hours. Afterward, strain the garlic oil and to a pint of water along with one teaspoon of liquid soap.

When ready to apply, you’ll need to dilute it first. To use, make up a solution of 2 tablespoons of the concentrated garlic mixture to a pint of water. Next, pour into a spray bottle and coat affected plants.

You can also add other organic pesticides like Neem oil to the mixture if infestations are severe. Some gardeners even add hot peppers or mint to the solution.

How to Use

Apply the solution in the early evening when the annoying bugs are busy all over plants and causing the most damage. Start using as soon as the pests are noticed to minimize the damage and infestations.

Spray plants thoroughly, covering all surfaces including under the leaves. Also, apply directly to insects you see lurking around. You can also spray the soil around crops and ornamental plants to stop bad insects in their tracts.

Re-apply after rain or heavy watering and continue spraying at 1-2 weekly intervals until the pests depart.

For protection against other creatures like deer and rabbits, you can grow garlic as a companion plant around crops. However, some food crops do not respond well to garlic which may result in stunted growth.

Avoid planting near strawberries, beans, asparagus, and peas. Additionally, some herbs such as sage and parsley do not appear to thrive well when grown near garlic.

Precautions

As with all pesticides, even organic ones, caution is advisable.

Use protective gears while preparing and using the spray and wash hands after mixing the solution. Although garlic is natural, the concentrated juice is strong and may adversely affect sensitive skin or eyes. Also, wash hands of any residue to avoid allergic reactions.

Plants too may be sensitive. Testing the spray on a few leaves first to see if garlic is suitable for that particular plant is wise before more widespread use.

Additionally, store the solution in a secure place away from children and pets. For edible crops, avoid spraying too close to harvest and wash produce thoroughly to minimize any garlicky taste.

Takeaway

Garlic has long been used as a natural insecticide to control garden pests. Moreover, when the spray is combined with organic liquid soap, it is even more effective.

The powerful scent of garlic also makes it an effective repellent for deer, rodents, rabbits, and other animals. Finally, it is good to know that this natural method of pest control is safe to use around the family.

Sasha Brown

Blogger and lover of all things natural.

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