(The bad breath likely won't help anyone's case either). Consuming garlic and onion was once thought to potentially repel ...

Studies suggest citronella helps repel mosquitoes, as well as fleas ... try diluting a few drops of thyme essential oil, garlic oil, or oil of lemon eucalyptus with distilled water.

The licorice-like scent of petunias is enough to turn off many an insect including aphids, hornworms and squash bugs. The ...