How to Get Rid of Mold in Plant Soil


Mold can grow abundantly on the top of plant soil. A common cause of mold growth is over watering. Insufficient air flow and high humidity also aid in the production of mold, which poses a danger to plants and humans, so use caution when attempting to remove it. Wear protective gloves and a dusk mask to prevent contact with the mold. To eliminate these dangerous spores from your plant soil, follow specific methods the remove and kill the offending fungus.

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Things You'll Need

  • Drainage pot
  • Protective gloves
  • Potting soil
  • Spray bottle
  • Apple cider vinegar
  • Water
Step 1

Take your pot of soil outdoors. While wearing protective gloves, remove the top 1-inch layer of soil.

Woman taking soil out of pot
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Step 2

Transfer the soil to a different pot or planter. Make sure it has adequate drainage holes in the bottom.

Woman transferring soil
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Step 3

Replace the removed top layer of soil with fresh potting soil.

Fresh soil on top of pot
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Step 4

Mix a solution of 3 tbsp. of apple cider vinegar and 1 gallon of water. Fill a spray bottle with the solution.

Woman spraying mixture on plant
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Step 5

Spray the top layer of soil with the vinegar solution one day before watering. This will help to eliminate any remaining mold spores and prevent future growth.

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Tips & Warnings

  • Do not over-water your plants. Most varieties prefer for the soil to dry between watering. Over-watering is the main cause of mold growth.


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