How to prevent gnats in houseplants. We covered several tactics such as using insecticides, repotting your plants, and using fly traps. Add fresh vinegar and water as needed until the gnats are gone. The gnats will fall into the liquid and the soap will keep them from escaping. This is often due to overwatering the house plants, ignoring the soil conditions, the season, or the plant growth (on this more on the prevention part). If you’re overwatering your plants, these bugs will find their way there and start laying eggs. Isolate new plants for 6 weeks to monitor for pests. They can lay up to 800 eggs in one breeding … As we’ve already established, fungus gnats love moist soil – and need it to breed! The wet surface represents the best place for females to place their eggs. Note: Try to keep the soil dry all time to get rid of gnats. Inspect for pests on a daily basis. This will help stop the gnats from spreading and laying eggs in all of the potted plants around your home. Consequently, replanting the house plants in another pot of soil may spare them from gnat assault. Gnats, especially fungus gnats, are attracted to damp soil and that’s where they lay their eggs. Remove as much of the old soil as possible, brush it all out, and then wash the pot in hot, soapy water. In this guide, we showed you how to get rid of gnats in houseplants as well as how to keep them from coming back. Easy gnats in houseplants home remedies include spraying your plants down with Neem Oil or repotting the plant into fresh soil. Uproot the old soil and verify you don’t hurt the roots. Even if the plant appears clean, keep it away from the rest of your plants for at least 6 weeks after you first bring it home. A little sand over the soil can discourage fungus gnats. Drench the soil. Bacillus thuringiensis (Bt) is a bacterium that occurs naturally in the soil. Here are some tips to prevent fungus gnats from getting all over your soil in the future. To prevent bringing gnats into the home, re-pot your plants into some new soil. Fortunately, there is an easy remedy. Find a spot in another room for your other plants where your new plant will still get enough sunlight to stay healthy. Direction. We want your house to be a gnat-free zone! Dump the new soil in and re-pot the plant. Here’s how to protect your plants from future fungus gnats. One of the best ways to combat this is watering less since most plants do fine without watering multiple times a week. (George Weigel) Q: I've been noticing lots of little flying bugs that look like gnats all over some of my houseplants. They like to travel in packs, and they often invade our homes. Here are a few that Amazon recommends. Keep it near your affected plants. Fungus gnats are also drawn to damp soils. Fungus gnats before damp environments so the easiest way to get rid of them is to let your plant’s soil dry out completely. Wet Soil. There are also several commercial products you can use to get rid of gnats on indoor plants and keep gnats away from house plants. On the other hand else, take out the highest layer of soil, as the eggs are laid on this layer. Gnats are annoying little pests. After you’ve isolated the problem plant, start taking steps to control its soil moisture. 3 WAYS TO PREVENT FUNGUS GNATS IN HOUSEPLANTS 1) Moisture Control. When you buy new soil from the store, you should quarantine it by placing it in an isolated container. To prevent and battle fungus gnats, avoid overwatering your plants in the first place. Remove Plants That Attract Gnats. sand.on.houseplant2.jpg. I had the hardest time with fungus gnats in the soil of my dwarf banana tree because the soil has to be kept so moist. Fortunately, there are ways to get rid of gnats, and keep house plants indoors. In most cases, house plants are the culprit. Therefore, overwatering your plants can easily lead to a fungus gnat problem. 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