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New Centipede Sod & Weeds

Posted on 8/8/22 at 9:34 pm
Posted by GoldBlooded
Member since Feb 2017
79 posts
Posted on 8/8/22 at 9:34 pm
I had centipede sod installed in March this year and the only thing I have done so far is water it. I have a good bit of weeds coming through, so I am wondering if I should do anything now, in the fall, or wait til the spring? I did a little research and believe most of the weeds are Dallisgrass. Any help would be greatly appreciated.
Posted by Cajun367
S. Louisiana
Member since Oct 2017
1943 posts
Posted on 8/8/22 at 9:36 pm to
Posted by GoldBlooded
Member since Feb 2017
79 posts
Posted on 8/8/22 at 9:41 pm to
Thanks!!
Posted by Cajun367
S. Louisiana
Member since Oct 2017
1943 posts
Posted on 8/8/22 at 9:50 pm to
Welcome. Your only option realistically is to prevent it. Get on a pre emergent schedule using something like Prodiamine.
This post was edited on 8/8/22 at 9:50 pm
Posted by ronk
Member since Jan 2015
6911 posts
Posted on 8/8/22 at 11:30 pm to
If you’re talking about preventing Dallisgrass there is no pre em that will control it.

Op, take pictures of the weeds so we can see what you’re dealing with.
Posted by GoldBlooded
Member since Feb 2017
79 posts
Posted on 8/9/22 at 3:45 am to
Posted by GoldBlooded
Member since Feb 2017
79 posts
Posted on 8/9/22 at 3:47 am to


Posted by Cajun367
S. Louisiana
Member since Oct 2017
1943 posts
Posted on 8/9/22 at 7:06 am to
Yeah either round up or cut out and re sod.
Posted by ronk
Member since Jan 2015
6911 posts
Posted on 8/9/22 at 7:52 am to
Yup. That’s Dallisgrass
Posted by Bayou
Boudin, LA
Member since Feb 2005
38972 posts
Posted on 8/9/22 at 7:59 am to
I'm no yard expert but that link suggests glyphosate. Never ever would I put that on my yard.
Posted by ronk
Member since Jan 2015
6911 posts
Posted on 8/9/22 at 8:07 am to
Why do you say that? Other than digging Dallisgrass out glyphosate is the only way to get rid of it in centipede
Posted by GoldBlooded
Member since Feb 2017
79 posts
Posted on 8/9/22 at 8:20 am to
Ok so after spot treating with glyphosate would it be a good idea to put a fertilizer down once the Dallisgrass is dead to promote centipede growth?

Also by cutting the Dallisgrass am i spreading it? Bc it seems to get worse every time i cut.
This post was edited on 8/9/22 at 8:30 am
Posted by ronk
Member since Jan 2015
6911 posts
Posted on 8/9/22 at 10:17 am to
I would just go to a sod farm and buy a couple squares. Centipede is a slow growing grass and it would take some time for it to fill in. Also, centipede doesn't like a lot of fertilizer.

I do see seed heads to it could be spreading. Cutting it before the seeds head appears would be my suggestion.
Posted by GoldBlooded
Member since Feb 2017
79 posts
Posted on 8/9/22 at 12:38 pm to
Ok sounds good. Thanks for the help!
Posted by Bayou
Boudin, LA
Member since Feb 2005
38972 posts
Posted on 8/9/22 at 3:34 pm to
ronk - doesn't glyphosate kill everything for like 6 months?
Posted by ronk
Member since Jan 2015
6911 posts
Posted on 8/9/22 at 4:16 pm to
It's more like 6 hours. Glyphosate binds so tightly to the soil and it becomes inactive.
Posted by Bayou
Boudin, LA
Member since Feb 2005
38972 posts
Posted on 8/9/22 at 7:58 pm to
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