If all else fails, the best option is to repot the plant in gnat free soil. Remove the plant from the infected soil and wash all of the soil off the roots of the plant. Wash the container that held the infected plant in a weak solution of bleach water. This will kill any eggs or larva still in the pot.
Will repotting get rid of gnats?
Repotting is an effective way of getting rid of the gnat larvae. Clean the pot thoroughly and place the plant in new, clean potting soil. The rotting roots, plant remains and damp soil that fungus gnats love so much will be completely gone.
Will changing soil get rid of gnats?
Tidy up your potted plants and container gardens, removing any organic matter from the soil surface. … Apply a soil pesticide if your gnat infestation is so problematic that a few weeks of changes to your plant care and cultural practices doesn’t effectively remove the gnats from the soil.
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 gnats in my bag of potting soil?
Small flies in homes and greenhouses often turn out to be fungus gnats. They may emerge from houseplants’ potting soil when you water the plants, or they may fly out of a bag of potting soil when you open it. … They feed on organic material in soil and breed beneath the soil’s surface.
How do I keep fungus gnats off my plants?
Neem oil is also an effective soil drench to combat fungus gnat larvae. Dilute the oil with water per manufacturer’s directions and directly drench the soil at the roots of the plant. You can also spray the upper portion of the plant to keep adult gnats at bay.
Does peroxide keep gnats away?
A peroxide solution apparently kills larvae and eggs on contact, effectively killing off all infant gnats and disrupting the lifecycle. You should be able to buy hydrogen peroxide from any high street pharmacy or online.
How does Dawn dish soap get rid of gnats?
That remedy involved putting out a plate of water with a little dish soap in it. Gnats, like Jesus, have the ability to walk on water. Unfortunately for gnats, they lose that super-power when you break the surface tension of the water with a few drops of dish soap.
How do you get rid of gnats in soil?
How to Get Rid of Fungus Gnats
- Sticky cards traps: These traps consist of a yellow note card covered in a sticky adhesive. …
- Cider-vinegar traps: Simple and effective, cider-vinegar traps consist of a shallow container with a small amount of apple cider vinegar, water, and liquid dish soap.
How do you get rid of plant gnats naturally?
Use a Soap-and-Water Mixture
Take a cup of water and add a few drops of liquid dish soap or liquid Castille soap. Spray the top of the soil with this to kill the larvae. Repeat this process again in a few days to ensure that you have killed all of the larvae.