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Hyacinth Plant

Q.Why Is My St Augustine Grass Yellow and Spreading

Zone 9 | loriw added on May 9, 2013 | Answered

It started in a couple of areas and now it’s spreading in other areas. I’ve put over and out on for grubs and other pests, put weed and feed out in late March.

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Certified GKH Gardening Expert
Answered on May 10, 2013

If not insect pests, it could be a fungus of some sort. Treating the area with a suitable fungicide for lawns may help. Here are some possibilities as to what types, though there are many and it's difficult to say with any certainty which one. https://www.gardeningknowhow.com/lawn-care/lgen/grass-fungus.htm

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Answered on May 10, 2013
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