My mother had complained that she was allergic to some sans I have. But after posting that question, and reading the responses here, I too think it's probably mold or something in the soil.
What do you all think if I cook the soil in the oven first, I think I've heard it called "pasteurized". Do you think that will help any? Gosh, I guess if I have to, I could do that annually or even twice a year!
I'd appreciate your opinions on this! Thanks.