Question
I have had many plants that have had this "Condition" appear.  They get these small white to yellowish spheres that appear in and on the soil.  They spheres group together as colonies of bacteria or fungus often do.  I have tried numerous things to get rid of this to no avail and I"m sad to say I have gotten rid of many plants to keep this from spreading to new plants, again to no avail.  I don't know that it is detrimental to the plant I just know it is unsightly and would appreciate any insight into this issue.
Thanks
Liz

Answer
Hi Liz,

Good, bad or neutral? Ii guess it depends on who you ask. The fungus growth in the soil is not at all detrimental to the plant and in some ways it indicates a rich humusy soil. On the other hand, most people don't like the idea of fungi growing in their homes. For those with severe mold allergies it could be a particular problem.

The source is probably the soil that you are using. The use of a peat-based, soilless potting mix usually prevents the problem. If you repotted your plant, then there is a very good chance that the soil that you used is contaminated with fungus spores. You may not want to use it again.

Try scraping off all excess loose soil and the mold from the surface of the rootball. If you notice the mycele or fungal roots, remove them as well. Then let the soil dry out as much as possible without damaging the plant. A warmer, sunnier location will also help deter the mold. You will have to remove the fungus whenever you see it, but eventually you should see success. In extreme cases, a systemic fungicide can be applied as a soil drench.

Please let me know if any of this is unclear or if you have any additional questions.
  
Regards,
Will Creed, Interior Landscaper
Horticultural Help, NYC

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