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St. Augustine Grass

Q.Yellowing/Dying St Augustine

Zone 77377 | Schleg added on May 29, 2020 | Answered

Hello- my back yard has been experiencing significant decline in the st Augustine grass this year. It begins to look very bright green. Like a neon green. Then begins to dry out and yellow, thins out and eventually dies. Just bare runners are left behind. I’ve been treating for chinch bugs (using Bifen IT) and applying fungicide from Bayer via hose end sprayer. But I don’t seem to be having much luck. The whole yard seems to be stunted and isn’t really growing at all. I barely cut anything when mowing. The neon green/yellow color has been expanding throughout the rest of the backyard. There is Bermuda grass patches in the yard (not On purpose) that seem to be doing just fine and are taking over.

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Certified GKH Gardening Expert
Answered on June 2, 2020

Unfortunately, there are many diseases that can cause these symptoms. I would recommend treating with a fungicide, since this is the usual culprit.

Here are some articles that will help:




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