Re: house plants soil mold

**E* Z* <e*@acmeplant.com>**

Plenty common; mushrooms are also not unheard of.  In my experience  
the fertilizer salts collect on the rims of terra cotta pots where  
mold is on the surface of the potting mix.

Assuming correct i.d. of the problem, your reader is probably watering  
too frequently.  Please make sure they understand the difference  
between quantity and frequency.  The amount of water should always be  
enough to flow through the drainage holes (thorough wetting of the  
medium) no matter what plant you're watering.  It's the frequency that  
changes according to the variables (interior temps, humidity,  
composition of potting mix, porosity of container) of the individual  
home.

LN

On Sep 30, 2009, at 5:42 PM, jo ellen meyers sharp wrote:

> How common is it to get mold on the soil surface of house plants?
> I've never had it and wonder if what the reader is asking about is
> the fertilizer salts that sometimes create a white cast to the soil
> surface. Is mold on the soil surface a regional issue?
> Thoughts?
> jems
> -- 
> Jo Ellen Meyers Sharp
> The Hoosier Gardener
> Director Garden Writers Association
> Writer * Editor * Speaker * Garden Consultant
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