As such, some websites suggest placing coffee grounds around your home to keep roaches away. However, in a 2020 study published in the International Journal of Science and Healthcare Research, researchers tested this out and found that coffee grounds were not very effective at repelling cockroaches.
Roaches are repelled by ground coffee. In fact, putting some ground coffee down in the corners or windowsills of your kitchen can actually help keep them insects away.
Coffee is a great bug repellent: Along with keeping your sleep away, coffee is known to keep many types of insects and bugs away. Bugs don't like the smell: Bugs tend to stay away from coffee grounds because of the strong smell. Compounds in coffee grounds: The compounds in coffee grounds are not liked by most bugs.
Roach Repellents
Peppermint oil, cedarwood oil, and cypress oil are essential oils that effectively keep cockroaches at bay. Additionally, these insects hate the smell of crushed bay leaves and steer clear of coffee grounds. If you want to try a natural way to kill them, combine powdered sugar and boric acid.
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.
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.
There are a couple of options when using coffee grounds as a DIY solution for cockroaches. One is to make a trap using a jar, water, and coffee grounds in order to drown them. Another is to sprinkle coffee grounds around your home to repel them.
Sugar. Sugar is by far the most attractive substance to a cockroach. They love sugar and can smell it from anywhere. This means you'll want to keep your sugar containers, fruits, and other sweeteners sealed in air-tight containers that are up off the floor.
If your home smells like mildew, but you don't find any leaks or mold, it may be a good idea to check for termites. Cockroaches have a telltale smell that's uniquely oily and musty. Unless you've encountered an infestation before, odds are you won't recognize this odor until it's too late.
This age-old remedy works wonders, just mix some boric acid and sugar, then spread it across the places where you find cockroaches breeding. While the sugar lures the bugs, boric acid kills them immediately.
Check your doors, windows and foundation. Use Natural Deterrents: Use natural deterrents such as Baking Soda, Borax, Vinegar, Ammonia, and more! Install Bait Traps: Use roach bait traps such as Advion to lure roaches out and kill them and the rest of their colony!
Mint or eucalyptus - Roaches hate the smell of mint too. You can use this in many different ways. From placing these plants in the corners of your house or using the eucalyptus' essential oil as a spray. Clove oil - This works best with other essential oils like peppermint or citrus.
Citrus. 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.
Smells that roaches hate: a quickfire summary
Oregano, rosemary, mint, eucalyptus, lemongrass and catnip are great herby options. Citrus oils work brilliantly too. And surprisingly, lower concentrations – 2.5 parts per hundred – seem to work best as deterrents. Just don't bother with lavender.
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.
Scents that are pleasing to humans can actually repel cockroaches. In the kitchen, certain aromas such as cinnamon, bay leaves, garlic, peppermint, and coffee grounds can be used as deterrents. In the bathroom and garage, using strong-smelling disinfectants like vinegar or bleach can help keep these pests at bay.
Diatomaceous earth is a great choice when it comes to killing cockroach eggs. We recommend trying this method when you are sure there is already an ongoing infestation in your house. It's made of marine phytoplankton, which is toxic to roaches and can dehydrate the ootheca. Make sure to buy the food-grade version.
It is possible to completely get rid of roaches but most homeowners need the help of a professional to make this a reality. There are a number of seemingly tale tales surrounding the resilience of roaches.
It's been said by some that a clean house is a roach-resistant house. There's some truth to that. By keeping a clean dwelling, you'll give roaches less of a reason to intrude upon your happy home. There is more to keeping roaches at bay than just having spotless floors, however.
Roaches are attracted to similar things as any other pest: shelter, food, and water. Anything that makes these things more available and easy to access is going to contribute to a roach infestation.