Citronella is naturally occurring oil that repels insects. ... “Citronella oil is repellent to mosquitoes to a degree, but the amount being put out by a candle isn't going to be very effective,” Eric Hoffer, president of Hoffer Pest, told TODAY Home.

What really works to keep mosquitoes away?

Flowers like marigolds and calendula, along with herbs like rosemary, mint and lemongrass, can also keep biting insects away from the yard. Plant them near your patio or deck for the best benefit.

What smell do mosquitoes hate the most?