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Gnats on Houseplants

Category Pest Control

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Ask a QuestionHere are the questions asked by community members. Read on to see the answers provided by the ThriftyFun community or ask a new question.

By 0 found this helpful
September 13, 2010

I would like to know how to get rid of small flies in house plants?

Hardiness Zone: 8b

By Ingrid from Plano, TX

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February 10, 20110 found this helpful
Best Answer

When I bring my plants indoors in late fall, I group them under lights, in a cool room in the basement. I than fill 3 or 4 empty margarine containers with water and space them around the plants on the table. I water the plants very sparingly all winter.

These pesky creatures love water. These margarine containers become their source of water, where they congregate and drown. Keep the containers filled with water to the very top at all times.

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By 0 found this helpful
July 29, 2011

My mom told me to mix water, dish soap and lemon juice into a spray bottle and spray my plant's leaves, top and bottom, and also water them with this mixture to get rid of gnats and/or fruit spiders. I love my plants and many of them are too large or have very long vines to re-pot them to help solve the problem since both my husband and I both have seriously bad back problems.

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Do you think it will hurt my plants? I love my plants, each one has either been a present from my husband on a special occasion or gifts from our daughter on mother's day or birthdays so to lose one would feel almost unbearable. Please tell me if this will work, I am hoping it will as we are also Retired Air Force and money is tight. Thanks for helping and God Bless.

By MoonLitBelle from Las Vegas, NV

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August 4, 20110 found this helpful
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Make sure that your dish soap is one of the very mildest-in other words, don't use anything marked 'concentrated grease relief', or as containing bleach or OxyClean type stuff.

Ivory dishwashing soap was the best thing, we Master Gardeners (university extension service training, repaid by doing volunteer work in the community) used it for years as a safe pesticide (mixed with water) but then the company changed it's formula, and now I'm not sure if it's still safe.

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If your soap is VERY mild, go ahead and try the homemade pesticide on a weed, lol, and see what happens. If it's still alive in four or five days you are probably safe to try the home mix on your more precious plants.

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By 0 found this helpful
July 29, 2011

I have gnats on my indoor ivy and have been spraying it with insecticidal soap, but I found one on the top of my coffeemaker. Is there any homemade ways to get rid of the darn things?

By Holly from Lancaster, Wi

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August 4, 20110 found this helpful

Are you absolutely sure the gnats are from the plant? Sometimes what looks like fungus gnats come in through the drains, not the plants.

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