Adult fungus gnats don’t damage plants or bite people; their presence is primarily considered a nuisance. Larvae, however, when present in large numbers, can damage roots and stunt plant growth, particularly in seedlings and young plants.
Should I use soil with fungus gnats?
Fungus gnats do best in damp soils; be careful not to overwater, especially during winter months when plants use less. When potting, avoid water holding, organic material such as peat moss that may encourage egg laying. If pests are present, allow the soil to dry to a depth of one to two inches between waterings.
Will coffee grounds get rid of fungus gnats?
Unfortunately, coffee grounds often end up in the trash even though they can be used in various ways even after you have enjoyed your hot beverage. They can, for example, help to get rid of gnats in houseplants or in the garden.
How do you get rid of gnats in potting soil?
Hydrogen peroxide is a quick and effective way to get rid of larvae, killing them on contact. 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.
Does cinnamon kill fungus gnats?
Chamomile and cinnamon are powerful natural fungicides, which kill off the gnats’ primary food source, therefore making the soil inhospitable.
What is the fastest way to get rid of gnats?
Homemade gnat killer spray: A mixture of half a cup of water, half a cup of isopropyl alcohol, and a teaspoon of dish liquid can be filled in a spray bottle. This mixture can be sprayed on the gnats directly to kill them.
Why are there so many gnats around my plants?
Because gnats in houseplants typically result when the potting mix contains too much moisture, the best way to prevent gnats from taking over your home is to avoid over-watering in the first place.