11 Comments

I’ve tried everything except the cinnamon and the nematodes, so those are next on my list. Thanks for this useful post. I think I’ve read a bunch on fungus gnats and you really brought it all together.

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Thank you Tom, I'm glad to hear it's been useful! Should you try either the cinnamon or the nematodes, I'd be interested in hearing the results. 🌱

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Dealing with fungus gnats can be such a frustrating experience! I really appreciate the detailed advice you've shared here—it’s incredibly helpful. I've been struggling with these pests in my indoor plants, and your tips are definitely going to be put to good use.

By the way, I’ve also come across similar valuable content on www.urbangardenguides.com that has been a lifesaver for my gardening challenges. I highly suggest checking it out too! Thanks again for sharing your insights.

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Thank you for commenting and for the link, I'll check it out!

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I use the yellow sticky paper, and I use Mosquito bits in water once a month, but I had read about using a 4:1 solution of water and peroxide and that seems to have worked!

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Thank you for these suggestions! I have zero experience with either Mosquito bits or the water and peroxide solution--does the peroxide not damage the plants? It probably has to do with the kind of peroxide, right? 🌱

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Peroxide is not harmful to plants at all. I personally have had good luck with both of these- actually the peroxide seems better than the bits. I think a key to all of this is to let the top of the soil dry out.

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Thank you for sharing this--I learned another thing today!

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I’ve tried both the Mosquito bits and the water/peroxide. Neither caused hard to the plants ... but neither worked! Also, I repotted “vigorously,” meaning I tried to remove as much existing soil from the plants as possible and supplied new soil. Again, little improvement. (I’ll say, I didn’t do all plants, and I harbor the suspicion that this one philodendron is the “home base” for my gnat population. Sigh.)

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Philodendrons attract a lot of them since they like moist soil so much--I'd definitely try to nematodes and see if that has an effect!

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Dealing with fungus gnats can be such a frustrating experience! I really appreciate the detailed advice you've shared here—it’s incredibly helpful. I've been struggling with these pests in my indoor plants, and your tips are definitely going to be put to good use.

By the way, I’ve also come across similar valuable content on www.urbangardenguides.com that has been a lifesaver for my gardening challenges. I highly suggest checking it out too! Thanks again for sharing your insights.

Expand full comment