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Killing existing grass/weeds before fill/level/sod?

Posted on 3/5/25 at 12:37 pm
Posted by GeauxldMember
Member since Nov 2003
4953 posts
Posted on 3/5/25 at 12:37 pm
I’m going to nuke part of my existing centipede/weed patch with glyphosate tomorrow when the wind dies down.

Should I be waiting for everything to die off and raking it off before I move in with mason sand and leveling that all off (will be 2-3” of sand), or can I safely scalp and bag the dead area 3-4 days later, come in with the sand, then sod once it’s leveled?
Posted by LOL
Member since Jun 2015
418 posts
Posted on 3/5/25 at 12:45 pm to
I just did the exact same thing three weeks ago. You will want to wait until you are absolutely certain that everything is dead. If that takes 3 to 4 days, then go ahead. For me, it took two weeks and multiple nukings. Then rake and til.
Posted by ronk
Member since Jan 2015
6912 posts
Posted on 3/5/25 at 1:02 pm to
It is going to take more than 3 days. You'll have to spray, rake, and spray again. Or if you are in the country you can spray, burn and spray.
Posted by GeauxldMember
Member since Nov 2003
4953 posts
Posted on 3/5/25 at 2:58 pm to
Thanks, ronk
Posted by H2O Engineer
New Orleans
Member since Feb 2011
628 posts
Posted on 3/5/25 at 11:09 pm to
Could you skip the spray and just till it all good? Or would I pay for cutting corners?
Posted by ole man
Baton Rouge
Member since Nov 2007
14525 posts
Posted on 3/7/25 at 3:33 am to
Exactly what Ronk said...
Posted by CalcuttaTigah
Member since Jul 2009
899 posts
Posted on 3/7/25 at 6:39 am to
This would be my question.
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