Q&A: What’s turning these evergreens yellow?

Occasionally we post questions from our readers. This reader has asked around and hasn’t been able to find anyone who knows what’s wrong with her trees. If you can help, please leave a comment below. “These are my pine trees that have turned yellow. This is the third year they’ve been yellow. I’d hate to have to cut them down but they have become rather unsightly. No one seems to know what is wrong with them. The needles are holding…