The Q&A Archives: Yellow blades of grass

Question: I sodded my lawn using Seville grass this past April, the outer edges are a nice lush green, but the inside area looks yellow and I'm seeing a lot of yellow blades. It's been fertlized, sprayed for pests and sprayed for fungus several times due to the over abundance of rain. Please advise

Thank You,
Richard D. Poe []

Answer: Richard,

There are various things that can make a lawn turn yellowish. It may be high phosphorus, high pH, or anything that is damaging the roots. I suggest that you take a sample from the plant along with a photo of the plant in its growing location (if possible) to your County Extension Office to see if they can help diagnose the problem and recommend an appropriate course of action. Call them first as they can direct you as to how to take an appropriate sample. Most likely you will cut out a 4" by 4" plug from an affected area and place it in a zip close bag.

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