You might be wondering how to get rid of gnats in plants, how long do gnats live, or how to get rid of gnats in plants naturally. A fungus gnat outbreak on your houseplants can wreak havoc on your entire collection, getting rid of fungus gnats on plants should be your priority if they ever show up uninvited. So here is how to identify fungus gnats on houseplants and how to kill fungus gnats naturally.

Host of the Growing Joy with Plants Podcast, Maria Failla, recently interviewed renowned horticulturist Leslie Halleck about how to identify and kill fungus gnats on her podcast titled “How to Get Rid of Fungus Gnats, Scale, Whiteflies, Mealybugs and More”. Here are the details from this interview.

Prepare yourself for any type of pest outbreak and listen to the full interview here:

How to identify fungus gnats

You’ll quickly notice the adults of this fly species by their erratic flying around plants! But the real culprits are the larvae in the soil, which feed on roots and cause stunted growth.

Signs to look for with a fungus gnat infestation: Adults flying around, overall decline in plant health

Getting rid of fungus gnats in houseplants:

• Use yellow sticky traps around plants to catch adults. This controls the population.
• Do a soil drench with a diluted hydrogen peroxide solution (1 part hydrogen peroxide to 10 parts water) to kill larvae.
• Allow soil to dry out more between waterings to deter larvae.
• Use BT or Mosquito Bits when you water your plants 

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Here are links to the houseplant first aid kit items Maria and Leslie discussed in this episode:

Sticky Traps
Option 1: https://amzn.to/3saVVj9

Option 2: https://amzn.to/3QAx0Qi

Option 3: https://amzn.to/3DLN7mC