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Soil Problems

Q.White, fuzzy mold on soil

Zone J2B 2S5 | Anonymous added on October 7, 2020 | Answered

My houseplants have a white, fuzzy mold on the top layer of the soil, despite using my dehumidifier and I am not overwatering.

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Certified GKH Gardening Expert
Answered on October 8, 2020

You may need to replace it with fresh, new potting soil. If you have a plant that needs continuous moisture, you may not be able to avoid the mold. Sunlight helps.

You also may want to try a gentle, homemade fungicide described in this article: https://www.gardeningknowhow.com/garden-how-to/info/homemade-fungicide.htm
Here are some prevention tips: https://www.gardeningknowhow.com/houseplants/hpgen/preventing-mold-in-the-soil-of-a-houseplant.htm

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