What scent keeps fungus gnats away?

Author: Prof. Nyasia Crona  |  Last update: Tuesday, July 7, 2026

The only way to get rid of gnats without killing them is to repel them with scents they don't like: vinegar, vanilla, pine oil, peppermint, lemon, eucalyptus, and lavender. Even dryer sheets could help. Of course, the first line of duty would be to get rid of the infestation's root cause.

What scent do fungus gnats hate?

Fruit flies and fungus gnats, both commonly referred to as 'gnats,' rely heavily on their strong sense of smell to navigate. You can take advantage of this trait and repel gnats by using scents they hate such as peppermint, lemon, eucalyptus, vanilla, lavender, citronella, and DEET.

What essential oil kills fungus gnats?

Neem Oil. You can make a great homemade spray for fungus gnats with just water with a few drops of neem oil—a potent essential oil that kills mature flies and larvae, no chemicals required! Shake it up in a spray bottle, coat the leaves and soak the soil. Repeat the process every few days until no flies remain.

How do I get rid of fungus gnats asap?

I've put together this gnat killing regime which is effective and cheap.
  1. Till the first inch or so of soil.
  2. Sprinkle ground cinnamon all over the surface of the soil.
  3. Set up vinegar traps around the plant and change them daily.
  4. Insert slices of potato daily.
  5. Do not water the plant until the top layer of soil is totally dry.

What is the best homemade gnat repellent?

Fill a glass or a bowl with 1 tablespoon of sugar, 2 tablespoons of apple cider vinegar, a half cup of warm water, and about 5 drops of liquid dish soap and stir well. Gnats will be attracted to the sweet sugar and pungent vinegar, but the sticky dish soap will disable them from escaping.

What smell do gnats hate?

What do gnats absolutely hate?

Use Lavender Spray Or Plants

Gnats are not fans of the aroma of lavender, so whether you want to plant your lavender because you enjoy the look as well as the scent or choose to use a liquid substitute to this scent, gnats will avoid it.

How do you make homemade fungus gnat traps?

HOMEMADE GNAT TRAPS

Using a solution of vinegar, wine, decaying fruit or beer placed in the bottom of a jar that has a paper cone placed over the top of the jar to prevent the trapped flies from escaping.

Can you permanently get rid of fungus gnats?

Eradicate your fungus gnat infestation for good with the following method: Put up a bunch of sticky traps, top-dress the soil with sand and do nematode soaks every 10 to 14 days until the problem is resolved. Also, stop overwatering your plants and eliminate any unnecessary sources of moisture. That's it.

How do I get rid of gnats in 5 minutes?

Homemade gnat 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, a tablespoon of vinegar, and baking soda per cup of water. A few sprays of this mixture is an effective gnat repellent.

Why do I suddenly have fungus gnats?

Fungus gnats thrive in moisture. If you own plants and are just getting started with figuring out how often to water them, beware of these little weak-winged mongrels. They are very attracted to moisture (which promotes fungal growth) and will gleefully find their way to your overwatered plants.

Do coffee grounds repel fungus gnats?

Coffee grind is great at removing gnat infestations. Dry the grind thoroughly – this will prevent mould from forming – and spread it over the potting soil. A thin layer will keep the female gnats from laying their eggs. Additionally, the coffee can fertilise your plants.

What is a natural spray for fungus gnats?

Mix one part hydrogen peroxide and four parts water. Use this solution to water your plants. Hydrogen peroxide will kill the gnat larvae without injuring your plant. Keep reapplying weekly until you notice the gnats are gone.

What eats fungus gnats?

Parasitic wasps (Synacra flies) are a natural enemy of fungus gnats and may be seen on yellow sticky cards, especially in unsprayed greenhouses. Entomopathogenic nematodes, soil dwelling predatory mites, rove beetles are all part of a biological control program for fungus gnats.

Do dryer sheets keep gnats away?

Conclusions. Based on the results obtained from our study, it is evident that Bounce original brand fabric softener dryer sheets repel fungus gnats.

What is the best defense against fungus gnats?

Steinernema feltiae is more effective against fungus gnats than other commercially available nematode species. Mix Bti or nematodes with water, and apply as a soil drench, or spray onto media using a hand-pump spray bottle or other spray equipment, following label directions.

Does pine sol deter gnats?

✌️ Did you know you can use baking soda and pine-sol to get rid of those pesky drain flies? #gnats #drainflies #hacks #cleaninghacks #cleantok #thingsishouldhavelearnedinschool.

What smell kills gnats?

Citronella is a natural bug repellent and will help to ward off more than just gnats. If you don't have or don't want to buy a tiki torch, try using lavender or lemon-scented candle. It could be just enough to keep gnats from interrupting your outdoor gathering.

How do I get rid of 100% gnats?

Start by getting a jar and filling it with apple cider vinegar, sugar, dish soap and water. Mix it well and place the solution near the problem areas. The gnats will be attracted to the smell of apple cider and sugar but will die on contact because of the soap.

What do gnats hate the most?

The only way to get rid of gnats without killing them is to repel them with scents they don't like: vinegar, vanilla, pine oil, peppermint, lemon, eucalyptus, and lavender. Even dryer sheets could help. Of course, the first line of duty would be to get rid of the infestation's root cause.

How long does it take to get rid of a fungus gnat infestation?

In cooler weather it can take 4 to 5 weeks or more to complete the life cycle, so winter treatment can take longer. That's why I always recommend treating for 2 months (8 weeks), but at least 4 weeks minimum if you've caught it early and only have a tiny infestation.

What attracts fungus gnats?

Fungus Gnats - Fungus gnats are attracted to decaying organic matter in the soil that is moist. In the home, fungus gnats are usually found in potted plants that are overwatered.

What is the most effective fungus gnat trap?

Top Method: The Vinegar & Soap Trap

The most popular homemade gnat or fruit fly trap combines vinegar, sugar, and dish soap in a container and lures the gnats into the mixture. Here's how: Mix vinegar (white or apple cider) with sugar and several drops of dish soap in a bowl. Add 1/2 cup of warm water to the bowl.

How to get rid of gnats fast without apple cider?

All you need is some vinegar, some dish soap. and some sugar and a little bit of hot water and you're good to go. I didn't realize it was that easy.

What is the best bait for fungus gnats?

Apple Cider Vinegar

Fill a shallow container (about the size of a tuna can) with 1/4 inch of apple cider vinegar and a few drops of dish soap, and cover with plastic wrap. Poke a few holes in the top of the plastic wrap, making them large enough to allow fungus gnats to crawl through.

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