If you own a cat or a dog, then you probably want to do everything you can to make sure that it remains free of fleas, which can not only carry diseases but are also a nuisance. If you do not want to subject your pet to harsh chemicals and other pesticides, then consider using some of the herbs and spices that are often used to kill fleas.
Citronella
This herb, also known as lemongrass, is easily available in oil form and can be used as both a repellant and a flea shampoo. When purchasing citronella oil, however, ensure that you purchase essential oil, rather than lamp oil. To make the shampoo, simply mix it with your pet shampoo and apply to your pet during a bath, thus killing and repelling fleas. You can also mix it with water, place it in a spray bottle and use it as a repellant spray. Citronella also repels other pests such as mosquitoes and flies.
Pennyroyal
If you want to have an herb that not only repels fleas and other insects but also makes a nice addition to your flower garden, then consider planting pennyroyal. However, if you plan on using pennyroyal as a flea repellant, be warned that it can cause some serious health issues if applied to the skin or taken internally. Plant around the perimeter of your home to keep fleas and mosquitoes at bay.
Neem
This herb, which is native to India, contains a specific compound called azadirachtin, which can dramatically reduce the number of fleas present on your dog or cat after a topical application. You have a number of options when it comes to this herb. If you live in a tropical or subtropical climate, you can grow in your garden. If you live in a cooler climate, however, you might want to try growing it indoors, as it prefers warmer temperatures. However, if you do not want to go through the trouble of growing it yourself, you can also buy it in the form of neem oil.
Salt
Although best known for its flavoring abilities, salt can also be used to kill fleas. To use, simply vacuum your carpet and then spread a liberal amount of salt. The fleas will consume the salt, which will then dehydrate and kill them. You should leave the salt on your carpet for up to a day, in order to ensure that as many fleas as possible consume it. Vacuum again, and throw the bag away, as flea larvae can live in your vacuum cleaner for quite some time. While you are in the process of removing the fleas, do not let your pets into the room, as they may also eat the salt.
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