Cockroaches are a common problem in many homes and businesses. These pests can cause serious health issues for people with allergies and asthma, as well as damage to food items stored in pantries. Cockroaches are also known for spreading germs through their feces and saliva.
Fortunately, there are several natural ways to get rid of cockroaches without resorting to toxic chemicals or pesticides. One of the easiest ways to do this is by using lemon juice. Lemon juice has been shown to be an effective deterrent against cockroaches because it makes their environment unfavorable for them by creating a strong smell and making it difficult for them to move around on surfaces where it has been applied.
The answer is yes. Lemons are very acidic, with a pH of 2.0 to 2.8, so they have an immediate effect on the skin of cockroaches (which has a pH of 5.5 to 8.0), causing it to dry out and die. The acidity also breaks down the exoskeleton of the cockroach, which helps it to break down faster than other methods would be able to do on its own.
While lemon juice may not be the best option for getting rid of your infestation, it is much more effective than other natural remedies like vinegar or alcohol-based cleaners because it will kill them quickly instead of just repelling them temporarily like those other options do.
It should be noted that you should avoid using lemon juice in areas where there’s moisture or humidity because if you leave a container open then it can become dangerous for your health due to the fumes created by combining water and citric acid together directly without diluting either one first (which is what happens when you drink lemonade).
Do Cockroaches Hate Lemon Juice?
Cockroaches are a common sight in homes, but they can also be found in restaurants, grocery stores and other places where food is prepared. If you find yourself with a cockroach infestation, you may be wondering whether or not it’s possible to get rid of them by spraying lemon juice around your home.
While it’s true that cockroaches do not like the smell of lemons, the truth is that they don’t necessarily hate lemon juice either. Lemon juice doesn’t actually have any negative effects on cockroaches; as long as you aren’t spraying them directly in their eyes (which would be painful for them), it won’t hurt them at all.
The reason why lemon juice works against cockroaches is because of its strong scent. The strong scent acts as an effective repellent against cockroaches because they are sensitive to smells and cannot stand the strong scent of lemons. So if you’re trying to get rid of a cockroach infestation using lemon juice, keep in mind that while it may help repel some insects from entering your home or apartment building because they don’t like its smell, it won’t kill them or remove them entirely from your premises.
Is Lemon Juice Toxic to Pets?
Lemon juice is not toxic to pets. However, it can be harmful if ingested in large quantities. The citric acid in lemon juice can cause stomach upset and even diarrhea in some animals, so it’s best to keep the amount of lemon juice your pet consumes limited.
It’s not toxic, but it can cause stomach upset. Lemon juice is safe for dogs and cats to consume in small quantities, but it’s important to monitor your pet’s reaction to the juice so you can avoid an upset stomach.
The acidity of lemon juice can be harsh on your dog’s or cat’s digestive system, and might cause vomiting or diarrhea. If you notice that your pet has eaten a large amount of lemon juice, or if they have consumed an entire glass of lemonade, you may want to contact a veterinarian immediately. If you want to use lemon juice as a flea repellent on your dog or cat, make sure that they don’t lick themselves after application.
How to Use Lemon to Kill Cockroaches
Cockroaches are a common and persistent problem in the home. They are able to survive almost anywhere, and they can thrive on human food and garbage. The good news is that there are many ways to kill them, including using lemon juice.
Lemon juice is not harmful to humans or other animals, but it is deadly for cockroaches. When you squeeze a lemon, the juice will come out with a lot of acidity. This acidic nature makes it difficult for cockroaches to breathe and digest food, which leads to their death.
To use lemon juice as an effective way of killing cockroaches, you must apply it directly onto the insect’s body. You do not need to spray or spread the lemon juice around; just make sure that you get some of it on your hands before applying it directly onto their bodies. They will die shortly after being exposed to this type of treatment because they cannot breathe properly while they are digesting food due to its acidity levels being so high that even humans would have difficulty breathing inside such an environment.
You should also note that this method may not work well if there are many cockroaches living inside a certain area (such as under furniture). In this case, consider using other methods such as pesticide spray.
Homemade Lemon Juice for Cockroaches
Cockroaches are a pain to get rid of. You can try sprays, traps and other methods, but nothing is as effective as the homemade lemon juice method. If you have a cockroach problem in your house, this is an effective, cheap and easy way to get rid of them.
The reason why this works so well is because cockroaches hate the smell of lemons. Lemon juice has a strong odor that will repel the roaches and make them leave your home.
To make this solution:
1) Cut open a lemon and squeeze the juice out of it (you should get about 1/4 cup)
2) Pour the lemon juice into a spray bottle (or just use an old one)
3) Spray on areas where the roaches are most likely to be found – under sinks, near garbage cans etc.
List of Cockroach Repellent and Where to Buy
One of the best ways to keep roaches away is with a repellent. There are many different kinds of cockroach repellents, and they can be purchased at your local hardware store or online. Here are some of the most popular types of repellents for roaches:

Combat Roach Killing Bait, Large Roach Bait Station, Kills the Nest, Child-Resistant, 8 Count
Price : $8.75
Features :
- Get rid of cockroach problems at the source with this specially Designed Large roach bait product containing Hydramethylnon
- Easy to use, no mess baits do Not require activation
- Simply place them wherever you see or have seen roaches and relax while they kill non sTop day and night
- Best used in areas like under sinks, behind toilets, and behind appliances, killing the ones you see and the ones you don’t and destroys the nest
- Eight child resistant bait stations are Included
- Power Source Type: Combat Roach Killing Bait, Large Roach Bait Station, 8 Count
Additional Info :
Color | Large 8 ct |
Item Dimensions | |
Height | 7.1 Inches |
Width | 7.1 Inches |
Length | 1.5 Inches |
Weight | 0.01 Pounds |

Combat Max 12 Month Roach Killing Bait, Small Roach Bait Station, Child-Resistant, 18 Count
Price : $11.98 ($0.67 / Count)
Features :
- Start killing small roaches in hours and prevent them from returning for up to 12 months
- Easy to use, no mess baits, do not require activation. Note : Not for Garden Use
- Simply place them where roaches are found and relax while they kill non-stop day and night
- Best used in areas like under sinks, behind toilets, and behind appliances, killing the ones you see and the ones you don’t and destroys the nest
- 18 child resistant bait stations are included; Place additional baits about 1½ feet away; Place baits carefully so they are touching the walls or corners
Additional Info :
Color | White |
Item Dimensions | |
Height | 4.6 Inches |
Width | 7.1 Inches |
Length | 1.8 Inches |
Weight | 5 Pounds |

Hot Shot HG-95789 Roach Killer, 6-Count, Brown/a
Price : $8.34
Features :
- KILLS ROACHES AND THE EGGS THEY CARRY: Quick-kill formula kills both large and small roaches where they breed.
- ADVANCED LIQUID BAIT TECHNOLOGY: This bait is extremely attractive to roaches because it combines an attractive food source with the water source they need.
- KILLS IN HOURS: Delivers a lethal dose quickly to roaches and the eggs they carry.
- CONTAINS 6 BAIT STATIONS: Place ready-to-use bait stations on a flat surface in areas where roaches have been spotted.
- MONEY-BACK GUARANTEE: Guaranteed to work or your money back – see product label for details.
Additional Info :
Color | Brown/a |
Item Dimensions | |
Height | 6.69 Inches |
Width | 1.56 Inches |
Length | 7.38 Inches |
Weight | 0.000625 Pounds |

Safer Brand 51703 OMRI Listed Diatomaceous Earth – Ant, Roach, Bedbug, Flea, Silverfish, Earwig, & Crawling Insect Killer
Price : $9.47 ($0.14 / Ounce)
Features :
- Say Goodbye to Bugs – Kills a variety crawling insects including roaches, ants, fleas, silverfish, earwigs, bedbugs, and more
- Attracts and Kills – Made from diatomaceous earth and selected baits, this powder causes insects to dehydrate and die within 48 hours after contact
- Mechanical Killer – Unlike many traditional chemical insecticides, insects cannot build an immunity to diatomaceous earth
- Use Where Insects Hide – DE can be used indoors or outdoors. Apply in cracks and crevices, along baseboards, or create a barrier around entry points
- Peace of Mind – This powder is OMRI Listed and compliant for use in organic gardening so you can use it without worry
Additional Info :
Item Dimensions | |
Height | 4.2 Inches |
Width | 10.8 Inches |
Length | 15.6 Inches |
Weight | 4.2 Pounds |
In Conclusion,
Lemon juice can kill cockroaches. Lemon juice has a low pH, which means that it is very acidic. This acidity causes the death of many species of insects, including cockroaches.
Some people suggest that the best way to use lemon juice against roaches is by mixing it with water and using a spray bottle. This allows you to get the juice into all the cracks and crevices where roaches like to hide. However, if you have a lot of roaches in your house, it may take some time before they are all gone. This means that you will have to continue spraying regularly until you no longer see any signs of roaches in your home or apartment building.