Let The Soil Dry
- This will disturb the gnat life cycle by killing the larvae and discouraging adult gnats from laying their eggs in the top inches of soil.
These sticky fly traps are coated with a sticky substance that adult fungus gnats are attracted to. When they land on the trap, they become stuck and eventually die.
The strong scent of peppermint will keep gnats away. Spray the homemade gnat repellent on the fruit flies and gnats on the soil’s surface where they might live and lay their eggs.