You may love the smell of fresh citrus, but cockroaches hate the scent. That means you can use citrus scented cleaners in your kitchen and bathroom to chase any lingering roaches away. You can also keep a few citrus peels around your home in strategic places.
The best way to keep cockroaches away permanently is to make the home less inviting. Make sure to keep the home clean, clean up food messes, take out trash at the end of the day, seal any cracks or gaps around windows, doors and the foundation, and fix any issue that might lead to high moisture content within the home.
Home remedies like diatomaceous earth, baking soda, boric acid, citrus, essential oils, and borax can be effective ways to get rid of roaches. If you want to take a more aggressive approach to eliminate roaches, glue traps, bait stations, and liquid roach deterrent concentrates are all excellent options.
Research has found that some essential oils—especially rosemary oil—are effective at repelling roaches. Rosemary oil was found to offer a 100% roach mortality rate at the concentration range of 2.5% to 30%. So mix it with water and spray away at your problem areas!
Boric Acid
Boric acid is a popular method for killing cockroach infestations. How to get rid of cockroaches overnight will always include some kind of insecticide or trap; boric acid is one of the most effective weapons against cockroaches.
Boric acid Some people find this to be the best option to kill roaches. Boric acid can work too, the only downside is that sometimes roaches will go away as soon as they smell boric acid. You have to combine it with something. A lot of people choose to combine it with some raw egg yolk.
White vinegar is often recommended as a natural way to get rid of roaches. Unfortunately, it doesn't actually kill these problem insects. It's more of a cleaning tool than anything else, and it won't actually help eliminate your roach problem.
Distilled vinegar does not kill or repel roaches, making it completely ineffective. Distilled vinegar will help keep your kitchen clean, giving cockroaches less to snack on. However, roaches can live for months at a time without any food at all, and they will eat almost anything to survive.
Baking soda can kill roaches, but in order to do so the roaches have to eat the baking soda mixture, and once they consume water the baking soda reacts with the water creating gas in their stomachs, which kills them.
It's a fact that cockroaches are afraid of humans and other mammals or animals that are bigger than them. They see us as predators and that fear triggers their instinct to scatter away. However, they dislike strong and distinctive scents such as citrus, peppermint, lavender and vinegar.
Eucalyptus essential oil has a fresh fragrance that, surprisingly, seems to confuse or alarm cockroaches. This stuff is strong and you'll only need to mix a few drops with water and spray it around the cockroaches' hotspots to repel them. Research has also shown that eucalyptus essential oil is toxic to roaches.
They now make trash bags pre-scented with mint or other scents known to repel cockroaches, mice, and other common trash invaders. These bags may prove effective because peppermint, winter mint, and spearmint are among the strongest odors to deter various bugs and rodents.
Diatomaceous earth is a natural way to deal with cockroach. It is available in fine powder form that sticks to roaches body and kill them by dehydration process. Diatomaceous eath is also very effective in killing the roach eggs. It is best method to use in fine areas, as DE fine powder can reach inside the cracks.
Mix baking soda with sugar to make a killer combination
A concoction of baking soda and sugar is an effective cockroach killer and controls the multiplication of these pests.
This citric fruit might do wonders for your health, but it certainly isn't a friend of the cockroach clan. The smell of lemons repels cockroaches to a great extent, keeping them away from areas that reek of the fruit.
Soap and Water
Just like the fabric softener solution, mixing soap with water can kill roaches on contact.
Create a soapy water solution that you can spray with a bottle. It will only take about 2 – 3 sprays to kill any roaches, as the soapy solution will cover their breathing pores and suffocate them.
Sprinkle the diatomaceous earth around areas where roaches travel and frequent. The sharp particles of diatomaceous earth damage the waxy, protective exoskeleton of the roach, causing it to dehydrate and die, typically within 48 hours of contact.
When alert overnight, cockroaches will begin their endless hunt for food. They will eat just about everything and can navigate your dark kitchen to seek out any crumbs they can find. Research has shown that nighttime cockroach activity happens primarily during the hours just before midnight.
Just take some hot water, mix 1 portion of white vinegar and stir well, wipe slabs and clean around the cook tops with this solution and pour this solution in the kitchen drains in the night, this will disinfect the pipes and drains and would keep cockroaches from climbing up into the kitchen.
Then, spray generously on walls, counters and other surfaces where you've seen cockroach activity. This should be enough to deter roaches, at least for a time. As an alternative to peppermint oil spray, you can also wet cotton balls with peppermint oil and water and place them in cupboards, along walls or in closets.
Alternatively, let the lavender steep without heat for two days. Strain the lavender out of the mixture, let it cool and put the lavender water into a spray bottle. According to the hack, just spray this where you see roaches and it should repel the nasty bugs from your home.
Cockroaches do not avoid light because it harms them. In fact, it's only because they are unable to hide or evade predators when they are in open sight. For this reason, they will not dare to venture out when the light has been turned on in your home.
The World Health Organization also advises against crushing them, for reasons of hygiene. According to the body, which classes cockroaches as “unhygienic scavengers in human settlements”, squashing them can spread bacteria into the environment that can lead to asthma, allergies and illnesses.