It is common for people to use neem oil in the garden to make DIY sprays to ward off pests, including gnats. Additionally, ...

To use hydrogen peroxide to get rid of gnats, mix one part hydrogen peroxide with four parts water and spray this solution on the affected plant. 3. Is neem oil effective in removing fungus gnats ...

If necessary, pyrethrins, insecticidal soap or neem oil can be applied to the plants ... or spraying them with organic pyrethrins. Fungus gnats are more of a nuisance than a plant damaging ...