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

They interfere with the mosquito’s ability to locate and feed on hosts by masking the scents that attract them. While not a plant you can directly plant in your garden, consuming garlic may help ...

Some oils from natural ingredients like peppermint, garlic, lemon, and thyme may help ward off insects. However, more research is needed to fully support the benefits of homemade bug sprays.