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St Augustine/brown spots

Sharon Billups
7 years ago

I'm in central FL, have St Augustine grass and I'm getting brown dead spots in my lawn. They are all different shapes and have no rings. The grass just turns brown, the grass mats down and it crumbles when you pull it up. It's spreading rather vigorously

in one spot and crabgrass is taking over. I'm resodding the biggest area, but I'd like to figure out what it is and get rid of it. I've had several lawn companies look at it and they have been useless. They fertilized my grass, but it hasn't responded.

I water it when needed, and I don't have chinch bugs or grubs.

Any thoughts? And how do I treat it?

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