15 Simple Gnat Repellents that Really Work
Spray the area to keep the gnats away. Rosemary Oil. Gnats hate the soothing aroma of rosemary, so placing rosemary around the house can be a great way to get rid of gnats. You can also add it to water and spray it around your yard to keep the gnats away. Gnats are extremely annoying insects that love to hang around your plants and yard.