And if they've already moved in, there are a few different methods you can try to get rid of fungus gnats. For house plants, bottom watering is a better method as it prevents excess moisture on the top soil. Save my name, email, and website in this browser for the next time I comment. Leah Chester-Davis. Check out my guide for more about fixing overwatered plants here. Sometimes you never know whether the plants are infected by gnats or not. Use fly paper to trap adult flying gnats. Because gnats lay their eggs in the moist soil around houseplants, reducing excess moisture is key to getting rid of them. Hope this helps. Press Esc to cancel. Fungus gnats also don't cause much harm to plants either, but they can be super annoying to have around. Starve them of moisture, they’ll die. Gnats are a huge pain, and I have definitely used the apple cider method more than once. Use sprinklers to water the indoor plants, this is to avoid overwatering the plants. Keep the plant away from direct sunlight as … This will help in photosynthesis as well as sunlight will remove the dampness from the plants as well as gnats in plants. The adult gnats – the ones flying around being a nuisance, driving you up the wall… they can lay hundreds of eggs in your potting soil. If you don’t have either of these handy, you can combine a tablespoon of dish soap to a quart of water in a spray bottle. If drying out the soil doesn't seem to help, it might be time to try a product such as BioCare Gnat Stix Traps, ($10, Amazon), which are sticky yellow traps. Place one sticky paper near your plants to trap the adults and reduce the number of eggs the fungus gnats lay. It only takes three days for eggs to hatch into larvae. When you overwater indoor plants, the water stagnates and forms the origin of gnats in plants. Because gnats lay their eggs in the moist soil around houseplants, reducing excess moisture is key to getting rid of them. You will need the following things to prepare the home made spray to kill the gnats. Place some plastic wrap over the top. Fruit flies are almost always going to be a kitchen problem because they want your food scraps – or the bowl of fresh fruit on the countertop. You should only water your house plant with this solution when the top of the potting medium is dry. Switching to bottom watering can help prevent overwatering your plant and making sure the plant roots get enough water while not drenching the top soil, making it attractive to gnats. After sprinkling, Keep the plant in sunlight so that sunlight kills the fungus and change the old soil completely with fresh baked pot soil. Thanks Milly! Instead of you pouring the water into the soil until it pours through the drainage hole, you leave the plant in standing water long enough for the roots to absorb moisture. And they will if it’s too moist because moist soil is a perfect feeding ground for larvae. Hosting Thanksgiving dinner for the first time or need a quick refresher? Please do try with replacing the soil for those plants which are completely affected. The more gnats there are, the less they’ll be able to feast in the Our Thanksgiving planning guide is here to save your holiday! Another practical solution that will get rid of gnats in plants in your home is to make a trap using apple cider vinegar. Always water the indoor plant right at the bottom of the stem and don't over water to create dampness in the soil that can open the doors for gnats move into plants and lay eggs. An alternative is to use a bug killer spray, however, most are not organic.