Updated: July 3, 2023

Gnats are tiny flying insects that can be a nuisance when they infest your indoor plants, including impatiens. These pesky creatures can be quite bothersome as they fly around your home and even worse, they can damage your plants by feeding on the roots and foliage. If you have noticed gnats buzzing around your impatiens, it’s important to take action to get rid of them before they cause any further harm. In this article, we will discuss some effective methods to eliminate gnats from your impatiens plants.

Identify the Problem

Before you can tackle the gnat problem, it’s crucial to ensure that what you’re dealing with are actually gnats. Gnats are small insects that resemble tiny flies and are often found around moist areas such as potted plants. They have slender bodies and long legs, and their wings are transparent. Gnats are attracted to decaying organic matter, which is why they often infest overwatered plants or those with poor drainage.

Preventive Measures

Prevention is always better than cure when it comes to dealing with gnats. By taking some preventive measures, you can reduce the risk of an infestation in the first place. Here are some steps you can take:

  1. Water properly: Overwatering your impatiens can create a moist environment that attracts gnats. Make sure you water your plants adequately, allowing the soil to dry out slightly between waterings.

  2. Improve drainage: Ensure that your impatiens are planted in well-draining soil and that their containers have drainage holes. This will help prevent water from pooling and creating a breeding ground for gnats.

  3. Remove decaying matter: Regularly remove dead leaves, fallen flowers, and any other decaying organic matter from the soil surface of your impatiens. This will eliminate a potential food source for gnats.

  4. Use yellow sticky traps: Hang yellow sticky traps near your impatiens to catch adult gnats. The bright yellow color attracts them, and once they land on the sticky surface, they will be unable to escape.

Natural Remedies

If you already have a gnat infestation in your impatiens, there are several natural remedies you can try to eliminate them. These methods are safe for your plants and do not involve the use of harsh chemicals. Here are a few options:

  1. Nematodes: Beneficial nematodes are microscopic worms that feed on the larvae of fungus gnats. You can purchase nematodes from garden centers or online. Simply mix them with water and apply the solution to the soil of your impatiens following the package instructions.

  2. Diatomaceous earth: Diatomaceous earth is a natural powder made from fossilized remains of aquatic organisms. It is effective in controlling gnats as it damages their exoskeleton, ultimately causing them to dehydrate and die. Sprinkle diatomaceous earth on the soil surface of your impatiens, making sure to cover it evenly.

  3. Cinnamon: Cinnamon has antifungal properties that can help prevent gnat larvae from growing in the soil. Sprinkle cinnamon powder on the top layer of soil around your impatiens to deter gnats from laying eggs.

  4. Sticky traps: As mentioned earlier, yellow sticky traps can be quite effective in catching adult gnats. Place multiple traps around your impatiens, especially near areas where you have noticed high gnat activity.

Chemical Control

If natural remedies fail to eliminate the gnat infestation or if the problem persists, you may need to resort to chemical control methods. However, it’s important to note that these should be used as a last resort, as they can be harmful to both humans and the environment. If you choose to use chemical insecticides, make sure to follow the instructions carefully and apply them sparingly.

Before using any chemical products, it’s always a good idea to consult with a professional or your local garden center for advice on the best course of action. They can help you identify the specific type of gnat infesting your impatiens and recommend the most suitable chemical control method.

Conclusion

Gnats can be a frustrating problem when they infest your impatiens plants. However, with proper preventive measures and the use of natural remedies, you can effectively eliminate these pesky insects. Remember to water your impatiens properly, improve drainage, and remove decaying matter regularly. Natural remedies such as nematodes, diatomaceous earth, cinnamon, and sticky traps can also be employed to control gnat populations. If all else fails, consider chemical control methods as a last resort. By taking action promptly, you can protect your impatiens from further damage and enjoy a gnat-free environment.