How to Get Rid of German Roaches: Step by Step

There is nothing more infuriating than to spot the obstinate and hideous German roaches crawling around your house as soon as you turn on the lights in your kitchen or bathroom. It can be extremely frustrating to watch them flying around infecting your whole house and carrying diseases.

This is the reason we turned to research on this topic and assemble all the different ways to get rid of German Roaches from the ways to kill them to completely repel them out of the house.

How to get rid of German Roaches

German Roaches are the widely spotted small cockroaches in your homes or apartments that are carried or hitchhiked into your house by your man’s belongings, luggage or packages from a trek or tour. These roaches are quite sensitive to light and thus appear at night in the absence of light. They can be easily detected in your house as they produce an infuriating foul odor.

The German Roaches are known to carry serious diseases and can be a health hazard especially in restaurants. These roaches are majorly found in the kitchens and bathrooms of your house as they prefer moisture, food, and water to survive and reproduce.

The female German Roaches mate once in their lifetime and can produce a huge number of eggs as they tend to store sperms in their body for later use. A single capsule can produce hundreds of roaches at a time causing to multiply the number of roaches presently invading your house, therefore; it is quite evident to get rid of these German Roaches as soon as they are spotted.

There are several ways to drive these roaches out of your house and prevent them from invading your house later. Some of the methods are listed below that can be practiced by you to prevent the invasion of the roaches into your homes and scurrying them away from your homes or apartments.

Clear Away Food and Debris

The Roaches raid your house mainly in search of food, water, and moisture for their survival. It takes just one leaky faucet and one dirty dish for the roaches to make your home as their permanent residence. However, it has been found in research that the roaches can survive even after being deprived of food, water, and moisture as long as a month.

These roaches can be extremely ferocious for their desire to survive and thrive. Therefore, it can be extremely difficult and you can say impossible to get rid of these stubborn, brainless pests from your house easily.  It is hence extremely important to keep your house clean at all times from bedroom, kitchen to your bathroom.

It is evident that you clean up all your dishes and sweep your kitchen floor and your kitchen slabs with disinfectants before you wrap up your day and run into your bed. Check all the faucets in your house from your bathroom to your kitchen and close them tight after every use. Always keep on checking leakage from your taps in your bathrooms, kitchen, and lawns.

Nobody enjoys cleaning their fridge regularly thus inviting the roaches to feed upon your property. Therefore, always try to keep your refrigerator clean and organized daily and along with the back of the refrigerator.  You can opt for the deep cleaning of your fridge once in a week or two.

Always store your garbage in a closed bin with a tight-fitting lid and clean it out regularly. You also need to clean the spilled food on your appliances after every meal to avoid the roaches to feed on them. You also need to seal away your food tightly in seal-tight containers.

Eliminate Moisture

The German Roaches find comfort in a moistened environment and tend to reproduce more. These areas offer the roaches with a favorable environment to sprout rapidly. It proves to be evident to eliminate excessive moisture from your home and keep the environment clean as well as moisture-free.

The best cost-effective and natural way to eliminate moisture from your house is by growing plants that are capable to absorb the moisture from your house especially on humid days. The second way to eliminate moisture especially in your kitchen and bathroom is by installing exhaust fans that capture the excess moisture and blows it out.

You can also install a dehumidifier in your house if the level of humidity in your house exceeds 65%. If your budget allows you can buy yourself a whole-house dehumidifier or a portable one can just do the job.

The level of humidity is also increased by hanging wet clothes inside your house or apartment and with improper ventilation, the condition can worsen. Hence, it is advised to dry your clothes outside your homes to prevent the increase of humidity levels.

Seal Cracks and Crevices

The German Roaches tend to hide in the cracks and crevices of your house or apartment during the day and come out in search of food at night. Thus, it can be quite difficult for you to spot them and their nests to eliminate them out of your homes. The German Roaches do not prefer to crawl freely in your house instead they move around your house through the holes and cracks.

As they mostly haunt your house for food, water and moisture thus narrowing down their areas of the business to be near pipes, drains, shelves, kitchen sinks, etc. These places should be thoroughly examined for any cracks or holes in them and seal them as soon as they are spotted to prevent the entry of roaches into your homes.

You can seal the cracks and crevices using products such as cement, expanding foam and clay. In the case of pipes, you need to check on them regularly as you may never know damage has occurred.

Kill German Roaches with the best Roach Killers

There are innumerable ways to kill German roaches and some of the best as well as preferred German Roach killer options in the market are listed below. We have discussed here different modes of control measures especially to eliminate the German Roaches. The most recommended methods are using Cockroach gel baits, Roach Traps, and Cockroach Sprays.

Cockroach Gel Baits

It has been found that the gel baits alone can reduce the high level of infestations in your house as they are exceptionally efficient and effective. The gel baits are formed using a variety of insecticide formulations that control as well as eliminates the roaches. The baits used in the formulation are typically formed by keeping the specificity of a roaches’ temptation towards particular baits.

These gel baits typically work by enticing the Roaches towards appealing bait to feed on it, thinking of it as a food source and thus ingesting the insecticide that eventually kills it. As the roach feeds upon the bait, it does not die instantly, it takes the left out bait along with it to the nest and shares the bait with fellow roaches eventually killing other roaches and destroying the nest.

However, you may remove the old baits and reapply fresh baits as the gel baits tend to dry making it quite unappealing to the pests.

Roach Traps

The Roach traps are the best way to kill the baby German roaches without creating a mess as the primary objective of the traps is to kill the pest and keep the dead confined and out of sight. This prevents you from exhausting yourself cleaning up the messes all-around your house which can be pretty unpleasant to watch.

Instead of using poison or a toxic chemical, the traps use a highly scented and sticky substance that entices the roaches to run to the cardboard containing the bait. These roaches get stuck in the cardboard while feeding on the bait and as they are unable to check out, soon perish due to the lack of sustenance.

It can be considered a natural way to eliminate the roaches, as they do not use any kind of toxic chemicals that can be hazardous to the people and pets around in the house.

Cockroach Sprays

The Cockroach Sprays are a long-lasting and instant option to kill Germancockroaches and eliminate them from your house. The aerosol spray can be used both inside and outside of your house. They also feature jet-sprays that allow you to spray the roach killer by maintaininga safe distance from the roaches as they can easily detect danger and might run into their nests with a speed you can never match.

As soon as the tiny roaches or German cockroach eggs come in contact with the aerosol spray, it deforms and destroys their whole structure leaving them to cry in pain and instantly die. However, these sprays can be used only on the roaches in sight and only in the suspected areas. They fail to destroy the nests and are not a suitable option for heavy infestation.

Use Home Remedies to Kill Roaches

Many household owners have considered the home remedies as an alternative and the best way to get rid of German roaches in 2020 as it is a natural way to eliminate the roaches cost-effectively without causing health issues in people and pets around. Some of the most common home remedies used in 2020 are listed below.

Diatomaceous Earth

Diatomaceous earth is a natural substance obtained from the fossilized remains of the aquatic life and can be easily found in local stores or online shopping websites. While purchasing diatomaceous earth, always ensure to opt for the food grade diatomaceous earth that is safe for both pets and humans around the house.

The food-grade DE is even safe to consume by both humans and pets. Although, it works effectively on the pests as the sharp little crystals of DE damages the digestive system of Roaches as they feed on them. This results in the drying out of the pests, losing all liquids and eventually dies.

The application of diatomaceous earth is quite simple as you only need to spread the powder all around the suspected and spotted areas of the house. Always ensure to clean out the damp places in the area before applying the powder. Reapply the powder as many times required by sweeping out the old one.

You can eventually notice a decline in the number of roaches in your house within two to three weeks.

Baking Soda and Sugar

This is rather a simple and quick way to get rid of the roaches and eliminate them from your house or apartment. The basic ingredients used to prepare the mixture are pretty easy to find in the kitchen of almost all the households. This mixture effectively kills the roaches and you would notice a drop in the number of roaches in your house.

However, you will have to first spot all the areas invaded by the roaches to place the bait and for the bait to work effectively. The baking soda used in the mixture is the active ingredient in the bait prepared as it does not instantly react on the roaches; it mixes with the acid of the stomach and kills them over time. The sugar in the mixture acts as a bait to entice the roaches.

To prepare this mixture, you will have to mix equal parts of baking soda with equal parts of sugar and then sprinkle it in all the suspected areas of your house.


Borax is the preferred insecticide to kill the roaches as it has a relatively low-risk to poison the humans and pets around the house. They kill the roaches upon ingestion instead of killing them on contact that makes it the favorite device to kill the roaches as well as destroy their nests.

Borax alone can never attract the roaches hence you need to use an appealing bait to entice them towards the source to feed on it. The bait to be used for the application of borax depends upon your choice and preference. You can either use it in the form of powder or spray by mixing the mixture in water in all the assumed areas.

However, you may have to reapply the borax several times and also the process of extermination can be pretty slow than the boric acid.


The bleach can also effectively kill the roaches by either ingestion or drowning of the roaches into the solution of bleach. Unlike the pesticides, bleach never leaves behind an infuriating and irritating smell lingering behind. However, it needs careful handling due to its lethality.

Bleach acts as a repellent to roaches as they find its smell quite offensive thus using bleach soaked bread crumbs or spreading bleach all around the house won’t attract the roaches to feed on it. The only way to kill the roaches by using bleach is to drown them in a solution of bleach with water or pure bleach solution.

This process can be quite disgusting, unpleasant even impractical to catch the roaches and drown them into the bleach solution to kill them. Bleach is also harmful to be spread around the house with pets and humans especially children in the house.

Boric Acid Bait

Boric Acid is the most effective home remedy to kill the roaches that can be easily found in the local stores or online shops. Boric acid is the most widely used home remedy to kill the roaches and eliminate them from your house or apartment. They are lethal and kill the roaches as soon as they come in contact.

Due to the poisonous nature of the boric acid, you need to be quite careful while using it around your home especially with children and pets around. If ingested accidentally, it can lead to serious poisoning in the body leading to death as well. Even long exposure to the acid can also lead to serious illness in the body.

While spreading boric acid around the house, always ensure light dusting the areas rather than pouring a huge amount in one place as it will lead to its ineffectiveness.

Use Home Remedies to Repel German Roaches

We have now discussed all the ways to kill these roaches and decline their number in the house by eliminating them. Now, we will study the different ways to repel these German roaches from entering the house and thus preventing German cockroach infestation in a very early step.

There are different methods and tools available to repel these German Roaches by using the smell of the objects as a tool to scurry them away. These methods can be really helpful to people who are not a fan to watch the roaches dying in pain and their carcasses littering all around. However, using these home remedies for German roaches treatment can be quite a slow process.

Peppermint Oil

The essential oils are believed to the natural repellent property to repel various kinds of pests out of the house especially roaches due to their strong aromatic smell. Peppermint essential oil extracted from the leaves of the peppermint plant is a potent repellent for the roaches. It has been proved in research that they have an extraordinary refreshing smell that annoys and offends the roaches.

It does have any toxic properties to kill the roaches hence they are safe to be used around the house with pets and humans especially children. They can only successfully drive away from the roaches and prevent their entry into your houses. There is another benefit to the use of the peppermint oil as it quickly refreshes the room and keeps the environment clean as well as calm.

Bay Leaves

Bay leaves are natural roach repellent as their aroma deeply disturbs and annoys the roaches. These leaves are extremely helpful to drive away these roaches from your homes and keep your clean as well as pest-free. They are also safe to be used around the house with pets and children due to their herbal and non-poisonous nature.

You can use bay leaves in the form of powder by grinding them in a blender or by using mortar and pestle if available. Sprinkle the powdered bay leaves all around the house suspected of infestation and the smell of this Asian spice will likely repel the roaches from the house.


Mothballs are usually made up of chemicals like naphthalene and camphor into small balls or palettes that are known worldwide to repel the roaches with their strong and enraging smell. The mothballs release a pungent smell that annoys and irritates the roaches quite enough to repel them away from your homes or apartments.

Mothballs are quite poisonous so you have to be extremely careful while placing them around the house especially with the children and pets around. Placing the mothball is a pretty easy task; you only have to spread the mothballs in the assumed infested areas where they convert to gas-producing the toxic smell and eventually decrease in size in about a month.


Catnip belongs to the family of mint and is an excellent repellent to the roaches. The roaches are quite sensitive to the chemical present in the catnip called nepetalactone. This chemical acts on the nervous system of the roaches causing them to lose their sense of direction ultimately repelling them from your house.

The catnip can be used by preparing tea from the catnip plant and spraying it in areas around the house likely to be infested by the roaches. To prepare the tea, you will only need the catnip leaves and water, bring it to boil and transfer it to a spray bottle.

The catnip is only responsible to repel the roaches rather than killing them therefore it can be used in houses or apartments with a low level of infestation.

The roaches are extremely adaptive and can adapt to these home remedies or chemical insecticides quite quickly, therefore, you will have to keep on changing the method of killing or repelling these roaches quite often just like crop rotation to confuse the roaches and prevent it from adapting to any method of prevention.

Taking Help of German Roach Exterminator

The German Roaches are quite resilient and extremely ferocious on account of their survival. These are persistent creatures and stubborn enough to never leave your house completely even after trying all the methods mentioned above. In situations like these, you should call a professional and licensed exterminator.

Even after trying all these DIY methods and best-known insecticides available in the market, there are high chances that you may still spot the German roaches around some space of your house. If you want to get rid of the infestation completely and quickly then you need to work with a professional exterminator.

Final Words

Nothing is more frustrating than a roach infestation and these persistent creatures will make your homes a permanent residence in no time therefore, quick actions need to be taken as soon as a roach is spotted.

The only thing you need while dealing with these annoying creatures is to be patient enough as it may a great deal of time to eliminate them out of your house hence stay patient, stay calm and stay clean.

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