Natural Homemade Spider Pesticide for Inside the Home

Concoct your own homemade spider pesticides to repel spiders in your home.
Concoct your own homemade spider pesticides to repel spiders in your home. (Image: Comstock Images/Comstock/Getty Images)

Spiders, though they are beneficial creatures, can be a nuisance in the home when their population gets out of control. Many homeowners who find themselves facing a spider infestation resort to toxic chemicals to eradicate the arachnids -- but if you have children or pets living at home, using chemical consumer products might not be an option you're willing to consider. Breathe easy, though: There is another option. You can make your own natural, homemade spider pesticides by combining a few simple ingredients. These homemade recipes are easy to make, and they help to kill or repel spiders naturally without putting your family at risk.

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Using Essential Oils

There are certain substances and fragrances that spiders are known to avoid. You can use this fact to your advantage when making homemade spider pesticides. Many essentials oils have pungent odors, which makes them valuable ingredients in homemade insect repellents. Simply combine several drops of an essential oil such as peppermint, citronella, tea tree, cinnamon, even citrus oils, in a spray bottle with 1 tbsp. of liquid detergent, then fill the bottle with water and shake. Spray the solution where you tend to notice spiders. The fragrance of the oils will repel spiders, and the detergent will kill those that come into contact with it.

Common Household Products

You can turn many household products that you probably already own into ingredients for homemade spider pesticide. For example, you can combine equal parts of water and distilled white vinegar to make a simple spider pesticide. Add a few drops of fragrant essential oil to hide the vinegar smell; spray the mixture in corners, near baseboards, and around doors and windows. Another effective combination is 1 cup of vegetable oil, 1/4 cup of liquid detergent and 1 tsp. of vanilla extract. Dilute 1/4 cup of this mixture in 1 qt. of water and spray it in the affected areas.

Nuts and Citrus

For the same reason that spiders are repelled by the fragrance of essential oils, they also tend to avoid chestnuts. Sprinkling fresh chestnuts around the corners, windows and doors of your home can be an easy way to repel spiders. You can use peels or shavings from citrus fruits like lemons and oranges in the same way. Simply sprinkle fresh peels or shavings around the baseboards in your home and near windows and doors. You will need to replace the peels about once a week, but your home will always smell fresh.

Tobacco

Smoking tobacco and chewing tobacco contain nicotine, a toxin that can kill spiders. By boiling tobacco in water, then cooling and straining the mixture, you can create your own tobacco-infused spider pesticide. Spray this mixture on active cobwebs and in corners where you're likely to find spiders. Adding lemon-scented dish soap to the mixture can help to cover the tobacco smell and it can also make the concoction more deadly to spiders. If you have children or pets, spray this mixture only in high, out-of-reach places. Though the tobacco is unlikely to harm children or pets, it is best to prevent them from coming into contact with the nicotine.

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