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Old 07-23-2015, 06:25 PM
pcloadletter pcloadletter is offline
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Why is my grass turning brown?

Long time lurker, first time poster.

I have a small city house with a small lawn in seacoast NH. My lawn is in back of the house and is only about 250 sq ft. It gets some sun during the day, not a lot, but enough to grow shady types of grass. I've put a lot of work into the small lawn over the past six years that I've owned the house, and I think it's come out pretty good considering the small size and shady area.

Anyway, for the past couple years around this time in the summer, I start to see blades of grass turning brown throughout the lawn. Not really in spots, but distributed throughout the grass overall. I'm not really sure what's wrong and how to fix it. I fertilize the lawn on a schedule and it seems to get enough water from rain so I don't water it very often anymore. I used to water it more often in previous years but I was worried about fungus, and since it doesn't get full sun all day long I thought it was okay with just rainfall and maybe one watering a week as needed.

Any thoughts? Do I just need to water it more? Or is it grubs or a fungus?
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Old 07-23-2015, 07:55 PM
sjessen sjessen is online now
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Pretty sure your lawn has a disease, possibly brown patch. Hopefully, others with more knowledge will chime in.
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Old 07-23-2015, 09:15 PM
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Clippers PLS Clippers PLS is online now
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It could also be rust. It's getting close to the time of year when we start to see it
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Old 07-23-2015, 09:19 PM
sjessen sjessen is online now
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Quote:
Originally Posted by Clippers PLS View Post
It could also be rust. It's getting close to the time of year when we start to see it
Is rust considered a disease and is it treated the same way as brown patch/pythium?
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  #5  
Old 07-23-2015, 09:54 PM
oqueoque oqueoque is online now
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How often do water your lawn. If it is a disease, it could be a number of things and you would need a lab to identify which one. You said there is a lot of shade and if this is from trees rather than a building, than the trees, especially conifers, take a lot of moisture out of the ground, and that may be the problem. Take a hand trowel or shovel and take a slice of the soil and see if it is moist, or a soil probe would be better to get a cross section of the soil at various depths. Trees draw a lot of moisture out of the ground in July and August.

If only the top inch or two is moist you might need more water. Try taking samples a day after it rains and the next couple of days also. If it dry 2 to 6" down that will tell you you need more water.
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Old 07-23-2015, 10:19 PM
WenzelOSLLC WenzelOSLLC is offline
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Rust is easy to identify. It'll turn your mower and shoes brown.
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Old 07-23-2015, 10:31 PM
Mark Oomkes Mark Oomkes is online now
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I'd go with brown patch vs rust.
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  #8  
Old 07-24-2015, 08:33 AM
pcloadletter pcloadletter is offline
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No conifers, just a big maple tree in the neighbor's yard about 20-30 feet away. I'll take a few more pictures later this morning. It's not rust because the blades are turning light brown and not orange, and there is no orange residue.
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  #9  
Old 07-24-2015, 08:37 AM
On a call On a call is online now
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Looks like melting out to me.
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Old 07-24-2015, 08:37 AM
sjessen sjessen is online now
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There are some threads with pics of brown patch You might try checking those out.
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