yelloe area in my lawn - Knowledgebase Question

titusville, Fl
Question by schnauzer112
October 15, 2009
I have st.augstine grass Part of the lawn is green other area are light green to yellow looking. What can I do to correct this. I have put on a turff fertilizer and weed & feed.

Answer from NGA
October 15, 2009


If you've already fertilized and the nitrogen didn't help the lawn green up it is probably showing signs of iron deficiency. St. Augustine grass is sensitive to iron deficiency and readily develops yellowish chlorotic symptoms in alkaline or iron deficient soils. This deficiency can be corrected with foliar applications or iron sulfate or iron chelate. Be sure to apply according to label directions. Good luck with your lawn.

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