How do you get rid of GNATS?

by | Dec 23, 2011 | Resources, Market News, Ask Pahl's Market

Do you have any thing to get rid of gnats on my house plants?
All I have heard is to repot every one in new soil.


Your gnats are probably fungus gnats.  You could replace the soil in your planters.  You can also treat your existing plants with a houseplant granular insect control.  We carry a bonide product that works well for $7.99.  It protects your plants from most insect pests for 8 weeks.  You just sprinkle on your soil and water it in. Though fungus knats do not harm your plants, they are a bother to have flying around.  I also recommend less soil moisture.  These little gnats are only in damp soil that is consistently wet.  Best wishes to you from Pahl’s!


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  1. Linda

    I have gnats in the soil of a cactus garden. The garden is watered only every 2 weeks so the soil is not wet or damp. How can I get rid of them?

    • Chris Kaufenberg

      Hi Linda, thanks for your question. You are already doing the first thing we would suggest which is to water less. Also if it is a container cactus garden, be sure the container has proper drainage. You can spray the garden with an insecticide or a homemade remedy of lemon scented dish soap and water. Good Luck!


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