Bold Spots and browning to dead grass - Knowledgebase Question

Maple Valley, WA
Question by jevans85
August 27, 2007
We just bought a new house and the grass was beautiful this spring - My husband fertilized it to prevent summer damage and because we wanted to make sure insects didn't eat the grass but it seems that now we have an area that started to get yellow, then brown and then dead bold spots. Someone mentioned that our lawn might have a fungus so we have now treated it for fungus but now we don't know what to do about the remaining yellow and brown areas plus the area that has a huge bold spot in it. We leave in an owners association location so we are trying to avoid any penalties. Can you help? What should we do to repair our lawn?


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Answer from NGA
August 27, 2007

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If your soil doesn't drain well or if you keep the grass overly wet, it can develop a fungal disease. More likely you're seeing damage from dog urine. In either event, I'd recommend raking out the dead grass plus the roots and then reseeding. Grass seed germinates in 7-10 days and within a month should green up and fill in those bare spots. If your soil remains wet for several hours after watering, you're either leaving the sprinklers on too long, or the soil is compacted and won't drain properly. You can avoid over-saturation by running the sprinklers for shorter periods of time.

Best wishes with your lawn!

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