So what should you do to remove mold on plant soil and prevent it from returning?
Heres what you’re gonna wanna know about thiscommon houseplant problem.
It can also appear on the soil poking out container drainage holes.
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Excessively moldy soil is almost always accompanied by overly wet conditions.
Here are some common things to look for if you notice moldy houseplant soil.
Overwatering
Overwatering your plantcan quickly encourage mold growth.
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The ideal humidity level for houseplants is between 35% and 65%; anything higher risks mold growth.
Plant Matter
Plant matter, such as leaves left in the pot, can cause mold issues.
As these leaves rot, mold will begin to grow.
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Is Moldy Soil Bad for Houseplants?
Moldy soil might look unsightly, but it isnt normally bad for houseplants.
However, excessive mold growth can compete with your plant for the soils nutrients over time, hindering growth.
When its time to water, remove the plant and its plastic pot and water it over a sink.
Is Moldy Houseplant Soil Bad for People?
Though we usually think of all mold as being harmful, houseplant soil is not particularly harmful to humans.
Just scrape the mold away.
There’s no need to throw out your houseplant if you notice mold on the soil.
Once youve removed the moldy patches or replaced the soil, avoid overwatering in the future.
Avoid using vinegar to remove mold from your plants soil.
Acetic acid can kill your plant if too much is applied.
You dont need to throw away moldy potting soil, but it is an option.
If nothing works, throw away the affected soil and use fresh soil for your plant.
Its best to remove mold from houseplant soil, as it is unlikely to disappear without help.
What to Know About House Plants and Humidity, Mold Solutions.
2021 Aug 31;26(17):5299. doi: 10.3390/molecules26175299.
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