Sage repels the same insects as rosemary, especially snails, cabbage moths, beetles, black flea beetles, and carrot flies, as well as flea beetles, which prey on potatoes and sweet potatoes.

Will burning sage keep bugs away?

Sage and Rosemary If you’re planning to gather around a fire, try burning a little sage or rosemary. The incense these plants give off when they burn not only smells good but is unpleasant enough to most species of insects that it’ll repel them — as long as you’re near the smoke.

Does burning sage get rid of gnats?

Sage’s strong smell and oil both act in repelling mosquitoes and flies. Keep a sage plant in your home, and then take cuttings and burn them once the leaves are dried out. … The scent of common marigold deters flies, gnats, mosquitoes and midges.