Q: We have a Meyer lemon tree in our backyard. We planted it about nine years ago, and it's quite prolific. I have even started making limoncello, we have so many! But I have a concern: It has soot on ...

The word “mold” often conjures images of a black, gray, or greenish growth, often around food and water. But these aren’t the only characteristics of mold. Sometimes, it can have more of a reddish ...