The Q&A Archives: lawn

Question: Our lawn is very sandy (Sandhills of Nebraska)and one section is turning very yellow as summer progresses, We've fertilized w/preemergent early spring and in early summer w/insecticide fertilizer. I water almost everyday. The grass is native sod that we cut in a valley with bluegrass and it's been established for 25+ years. Any advise to help w/yellowing? It's not in spots, it's all over.

Answer: If you've fertilized regularly, my only suggestion is there may be a fungal disease at work. I can't diagnose it without a hands on inspection so your best bet would be to dig a sample (6" x 6" with roots) and take it to your local cooperative extension office for diagnosis. If they can't tell through microscopic examination they can send it to the plant pathology lab. I'm not sure which county you're living in so here's a list of cooperative extension offices listed by county:

Best wishes with your lawn.

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