August 18, 2026, 4:01 am | Read time: 3 minutes
Fruit flies often gather on fruit, making them unwelcome visitors in many households. But what home remedy actually helps against these tiny pests? It’s often suggested to use cork against fruit flies, but does it work? myHOMEBOOK editor Laura Kästner has the answer.
Does Cork Help Against Fruit Flies?
Cork is effective against fruit flies only 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 ideal breeding ground, numerous fruit flies quickly appear. According to the Max Planck Society, larvae hatch just one day after being laid at around 77 degrees Fahrenheit. 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, save empty wine bottles, as they are usually sealed with natural corks. One or two corks from the bottles should be halved and simply placed in the bowl with the fruit. The scent 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 to drive the insects away from a bowl.
How to Easily Make a Fruit Fly Trap
Home Remedies to Get Rid of Pests in Your House
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 open. For one and a half days, we had no fruit flies on the fruit.
By the way: I initially placed only one cork. After one and a half days, the flies returned, so I added another cork. When I added one more, the flies disappeared again. Apparently, the scent of the cork diminishes over time.
Are There Other Alternatives Against Fruit Flies?
Besides cork, there are other methods 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 be effectively used 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, pickle water will suffice. Pour the brine from pickles into a glass and place it next to the fruit bowl.
Basil can also be used instead of cork against fruit flies. The small pests avoid the intense smell of the herb and, consequently, the fruit when it’s stored near basil.