Q: Sections of my St. Augustine grass have patches of dead grass. I don’t think it was chinch bugs. Could this possibly by a pathogen? It appears to resemble pictures of summer patch or dollar patch.

Q: Why is my St. Augustine dying out? I fertilized it three weeks ago with a high-quality fertilizer with slow-release nitrogen, but it hasn’t corrected the problem. I already lost a lot of grass ...

Q: My St. Augustine grass has a problem. Large areas are drying out, but water does not help. Do you think I am going to need to replace the brown areas? — Joao Geraldini, Conroe, Texas A: I think you ...