Genius House Hacks · a GopherCentral & PulseTV publication
Pest Control · April 01, 2024 edition

10 Natural Insect Repellents to Safeguard Your Home: Eco-Friendly Solutions for a Bug-Free Environment

From the Genius House Hacks archive.

Genius House Hacks

Ten eco-friendly, natural ways to keep common household pests at bay, using ingredients you likely already have around the house.

Citronella Oil for Mosquitoes

Citronella oil, derived from crushed citronella grass, is a well-known natural mosquito repellent. It works by masking scents that attract mosquitoes, making it harder for them to locate targets. Citronella oil is often used in candles and diffusers to create a mosquito-free zone in outdoor areas.

Chalk for Ants and Slugs

Chalk contains calcium carbonate, which is ground-up shells from sea creatures. Ants and slugs dislike the texture and composition of chalk, making it an effective barrier. Sprinkle chalk around entry points to your home or around plants in your garden to create a deterrent.

Beer for Slugs

Slugs are attracted to beer, and this attraction can be used to control their population in gardens. Bury a container up to its neck in the dirt outside your home and fill it halfway with beer to create a trap — slugs will be drawn in and won't climb back out.

DIY Spider Repellent Spray

To make a spider repellent spray, mix lemon oil (which spiders dislike), liquid soap, and water in a spray bottle. Spray this mixture at entry points around your home, such as doors and windows, and reapply regularly to maintain its effectiveness.

Cinnamon, Paprika, or Garlic to Keep Out Ants

Ants are known to dislike certain spices, including cinnamon, paprika, and garlic. Sprinkling these spices around doors, windows, and other entry points creates a barrier that disrupts the ants' ability to communicate and navigate. Reapply weekly to maintain the repellent effect.

Diatomaceous Earth for Most Insects

Diatomaceous earth is a natural product made from the fossilized remains of tiny aquatic organisms called diatoms. It works by absorbing the oils and fats from the exoskeletons of insects, causing them to dry out and die — particularly useful for controlling fleas, ticks, cockroaches, and other crawling insects.

Essential Oils for Ticks

Using essential oils as a natural tick repellent can help protect pets from these parasites. Apply a few drops of essential oil, such as rosemary, lemongrass, or peppermint, onto your dog's neck weekly — these oils have strong scents that ticks find unpleasant.

Garlic Solution on Strips of Cloth

Garlic has long been used as a natural insect repellent due to its pungent odor. Mix garlic juice with water and dip small cloths in the solution, then hang them around the outside of your home, particularly near entry points, reapplying as needed.

Basil Plants — Inside and Out

Basil is not only a popular culinary herb but also a natural insect repellent. Flies and other pests dislike the scent of basil, so keeping basil plants near doors or windows — or hanging small bags of dried basil near entry points — can help repel insects.

Vinegar and Water for Ants

To deter ants, combine equal parts vinegar and water in a spray bottle and use the mixture to wipe down counters and other surfaces where ants have been spotted. The strong scent of vinegar disrupts the ants' pheromone trails, making it harder for them to navigate and communicate.

While these natural treatments can be effective in controlling pests to a certain extent, severe infestations may require professional pest control services.

Got a handy tip of your own?

Reply and let us know, we love hearing your tips.

Subscribe to Genius House Hacks
This edition is part of the Genius House Hacks archive: 20+ years of tips, rebuilt from the original Handy Hints newsletter. Browse more hacks →