August 18, 2026, 4:01 am | Read time: 3 minutes
Fruit flies often gather on fruit, making them unwelcome guests in many households. But what home remedy actually helps against these tiny creatures? It’s often suggested to use cork against fruit flies, but does it work? myHOMEBOOK editor Laura Kästner has the answer.
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Does Cork Help Against Fruit Flies?
Cork is only effective against fruit flies if it’s natural cork, as only this type absorbs moisture. Additionally, natural cork contains tannins that, when released into the environment, repel fruit flies. So, if you want to protect your fruit and drive away the small flies, cork can indeed be used.
Where Do So Many Fruit Flies Suddenly Come From?
The fruit fly, scientifically known as Drosophila, can lay up to 100 eggs per day in the right environment. When the fruit provides the perfect breeding ground, numerous fruit flies quickly appear. According to the Max Planck Society, at around 77 degrees Fahrenheit, the larvae hatch just one day after being laid. Due to this rapid reproduction, fruit flies are not only quick to appear where fruit is stored but also in large numbers.
How Can Cork Be Used Against Fruit Flies?
Cork is a good material to repel fruit flies. If you want to use natural cork, you should save empty wine bottles. These are mostly sealed with natural corks. One or two corks from the bottles should be halved and simply placed in the bowl with the fruit. The smell of natural cork ensures that the flies are less attracted to the fruit.
By the way: The corks should be halved to use more of the natural material’s surface. Sometimes, just one cork is enough for a bowl to drive away the insects.
Home Remedies to Get Rid of Pests in Your House
What You Can Do About Annoying Houseflies in Your Home
The Experiment in the Home Kitchen
I started the experiment in my kitchen. For several days, we had annoying fruit flies at home. So, I got corks and cut them up. For a day and a half, we had no fruit flies on the fruit.
By the way: I initially only added one cork. After a day and a half, the flies returned, and I added another cork. When I added one more, the flies disappeared again. Apparently, the smell of the cork diminishes over time.
Are There Other Alternatives Against Fruit Flies?
Besides cork, there are other remedies to keep fruit flies away. If you don’t have natural cork at home, you can alternatively use apple cider vinegar. Vinegar is considered a kind of “all-purpose weapon” in the household and can also be used effectively against fruit flies. To do this, fill a bowl with apple cider vinegar, a drop of dish soap, and a splash of water, and place it near the fruit. If you don’t have vinegar at home, cucumber water will suffice. For this, pour the brine from pickles into a glass and place it next to the bowl with the fruit.
Basil can also be used instead of cork against fruit flies. The small creatures avoid the intense smell of the herb and, accordingly, the fruit when it is stored near the basil.