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Old 03-22-2011, 02:46 PM
 
401 posts, read 1,632,385 times
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I bought money plant and I planted indoors but for some reason I can see the flies hanging around it.



What am I doing wrong?
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Old 03-24-2011, 07:44 AM
 
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I've never heard philodendron called a money plant before, hmmmmm. But I have heard that if you let the plant dry out briefly it will help kill off the flies.
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Old 03-24-2011, 07:55 AM
 
Location: Tampa, FL
2,637 posts, read 11,964,962 times
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It's almost always due to over-watering. Those flies are associated with fungus that grows in the top levels of soil mix and is the perfect spot for them to lay eggs. Plants in retail stores are often half drowned by over-enthusiastic daily waterings. Other times it happens because the soil mix has broken down, all the airspaces fill in with fine particles and the mix can take a long time to dry out, encouraging fungus - if this is the case, and it often is with new plants that have been in their nursery mix for a long time - repot in fresh mix. You can also simply remove and replace the top couple inches of soil mix and replace it with dry mix if the root area doesn't seem too wet and you don't feel like the hassle of a full repot. Or you can add a layer of sand or pebbles to the top which will prevent the adult flies from reaching the surface of the soil mix to lay eggs, breaking the lifecycle - but if the reason the soil is wet is because the mix has broken down, this will kill the flies but won't help the plant - roots need oxygen exchange or they will rot, except a very few plants that are adapted to boggy or submersed conditions.
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Old 03-24-2011, 10:14 PM
 
Location: Pennsylvania
21,320 posts, read 12,888,188 times
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judging by the color and spots on the leaf, I'd agree with the over-watering
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