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Fight fungus gnats without chemicals: These home remedies really help against pests!

Flowering and wonderfully fragrant houseplants create a cozy atmosphere in your own four walls and immediately make any room more homey. To make us feel comfortable, it should look as cozy as possible at home and very few households can do without at least one potted plant. Have you discovered some unwanted visitors while watering your plants? Fungus gnats and any pests are the absolute nightmare of every amateur gardener, and quite rightly so. Considering the damage that the little flies do to our plants, it is important to take timely action. In the spirit of sustainability, we explain in our article how to fight fungus gnats and without chemicals! So read on and learn here which home remedies against pests really help!

What are fungus gnats and how do you recognize an infestation?

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Fungus gnats (Sciaridae) are small, black flies with pale wings. At first glance, they resemble fruit flies, but they mainly stay near houseplants. The pests are most prevalent during the cold winter months and enter the home usually via low-quality potting soil from the store, where the larvae are already living.  Although fungus gnats are completely harmless to humans, they can cause quite a lot of damage to plants. Young plants die when infested, and older plants don’t look as fresh and are stunted in their growth. To prevent this, you need to counteract and control fungus gnats as soon as possible. Fortunately, there are many effective home remedies that help us get rid of the pests without any chemicals at all.

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As a rule, fungus gnats have a lifespan of about 1 week, but this is no reason for reassurance. In this short period of time, the females can lay up to 300 eggs, spreading to all the plants in the house. Of course, to control the pests, you should know how to recognize an infestation. The small flies sit by the dozens on the potting soil and fly up when you water or lift the plants. Do your houseplants have increased dieback or stunted growth? Or you have discovered small glassy-white larvae in the soil when watering? Then you are definitely dealing with a gnat infestation. And now it – fight fungus gnats!

Fight fungus gnats without chemicals: These home remedies against pests really help

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While chemicals are always a quick way to get rid of pests in the home, there are many effective home remedies you can use to control fungus gnats. Natural and organic solutions are safe for your plants, as well as for you and your children. And here are the best methods at a glance.

Yellow boards against pests

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Yellow boards are a very simple and effective way to control fungus gnats without chemicals. These are thin cards made of cardboard, which are coated with a drying adhesive. You can either hang them near the plant or stick them directly into the soil. The flies will then be attracted to the paint and stick to it. To get rid of the pests in an environmentally friendly way, it is best to buy yellow boards made of organic and non-toxic materials. Alternatively, however, you could make a sticky trap yourself . Here’s how simple it is done:

  • Dissolve sugar and water in a 3:2 ratio and bring the mixture to a boil.
  • Once the solution begins to boil, do not stir it.
  • Check the temperature with a thermometer and boil the mixture until you reach a temperature of about 110 degrees Celsius.
  • Place the pot in a bowl of cold water and let it cool.
  • Then coat a piece of yellow clay paper with it, stick it in the soil and you’re done – it’s so easy to fight fungus gnats without chemicals!
  • It is even faster if you simply coat the clay paper with a thick layer of honey.

Fight fungus gnats with apple cider vinegar

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Apple cider vinegar is not only a real all-rounder in the kitchen, but can also be used very versatile in the household. So it’s no surprise that we can use it to fight fungus gnats without chemicals. However, with this method, you should make sure that the plants do not come into contact with the vinegar solution – otherwise the soil will dry out. And this is how it is done:

  • Mix about 4 tablespoons of apple cider vinegar with 2 tablespoons of water in a bowl and add a few drops of dishwashing liquid.
  • Stir well and place the vinegar solution next to the plants.
  • If the fungus gnats are attracted by the smell of vinegar, they will drown in the water afterwards.

Fight fungus gnats with cinnamon

Mosquito infestation on plants home remedy cinnamon against fungus gnats

Cinnamon not only tastes delicious, but is actually one of the most effective home remedies against fungus gnats. Thereby, you have two options to choose from on how to get rid of the pests with the spice.

  • To get rid of fungus gnats, sprinkle plenty of cinnamon powder on the potting soil. Through this very simple trick, you can avoid the hatching of larvae. Very important: since cinnamon does not kill the pests, but deters them, place the infested plant as far away as possible from the rest of the houseplants.
  • Bring a liter of water to a boil and dissolve 2 tablespoons of cinnamon powder in it. Let the mixture cool completely and water the plants with it for about 1 week.

Wine to combat pests

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Yes, you have read it correctly! You can also fight fungus gnats with wine! Similar to the vinegar method, the little flies are attracted by the sweet smell of wine. And no, you shouldn’t sacrifice your wine collection for this – a cheap wine from the store should also do the trick. To do this, place a glass of white wine near the infested houseplant and let the fungus gnats drown in it.

Fight fungus gnats with tea tree oil

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Tea tree oil is increasingly used for cosmetic purposes because of its anti-inflammatory and antibacterial properties. But this little miracle cure can do much more and is a great alternative to fight fungus gnats without chemicals. For this purpose, add about 15-20 drops of tea tree oil to a liter of water and water the infested plant with it. However, this will only kill the larvae in the soil and therefore you should still use yellow boards.

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