Mix four parts water with one part hydrogen peroxide and soak your soil with the solution. Neem oil can also be diluted with water and applied to the soil to kill larvae. You can also use neem oil as a spray to kill adult flies on contact.
One may also ask, what can I spray on my plants to keep flies away?
Homemade fly repellent spray: A mixture of dish soap, water, baking soda, and vinegar can be filled into a spray bottle. The mixture should contain a few drops of dish soap and a tablespoon each of vinegar and baking soda per cup of water. A few sprays of this mixture can be an effective fly repellent.
Consequently, why are there so many flies on my plants?
Fruit flies and fungus gnats feed on rotting organic debris in potting soil, so they’re a common problem for plant lovers. You might also find them in the kitchen, feeding on overripe fruits.
How do I get rid of little black flies in my house plants?
Cayenne pepper is an excellent natural fly repellent and also deters many other insects. Mix one cup of water and one teaspoon of cayenne pepper in a misting bottle and spray it near entryways and wherever you see flies. Other natural fly repellents include lemongrass, peppermint, eucalyptus, camphor, and cinnamon.
Or you can create an essential oil spray by mixing several drops of cinnamon essential oil in two cups of water to create a handy cinnamon fly repellent. Spray the repellent in problem areas to deter flies from gathering.
Lemons and cloves are two natural scents that can help keep the common house fly away, Get Rid of Flies noted. … Using lemons and cloves to keep this pest away is an easy and fast remedy, as flies can’t stand the smell of either. Use two lemons and cut them into halves.