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(Update - Nimblewill treated with Tenacity) Weed ID
Posted on 6/10/24 at 8:17 am
Posted on 6/10/24 at 8:17 am
Sprayed these weeds twice with Celsius and Certainty at max rate and saw no results on this particular weed. Meanwhile, the few spots with Dallisgrass were severely suppressed and I was able to pull it up.
Worker at site one told me crabgrass, but I’m not convinced since the herbicides I sprayed had no effect. Also it does not grow from a clump, it appears as if each blade is individual.
Any help is greatly appreciated. Grass is centipede.

Worker at site one told me crabgrass, but I’m not convinced since the herbicides I sprayed had no effect. Also it does not grow from a clump, it appears as if each blade is individual.
Any help is greatly appreciated. Grass is centipede.


This post was edited on 6/20/24 at 5:38 pm
Posted on 6/10/24 at 8:39 am to RaginRampage
Maybe southern water grass and if so then the only thing that will kill it will be glyphosate. And even at that it will take multiple spraying to wipe it out. Ask me how I know..
Posted on 6/10/24 at 9:13 am to RaginRampage
I think that's crabgrass
Posted on 6/10/24 at 9:14 am to Woodsmaster
quote:
Maybe southern water grass
I'm leaning this direction as well.
Posted on 6/10/24 at 9:20 am to RaginRampage
Panic veld grass maybe?
Posted on 6/10/24 at 9:25 am to Woodsmaster
I feel like the closest match to what I'm seeing is Quackgrass, but it should have been knocked out by Certainty...
Posted on 6/10/24 at 9:26 am to RaginRampage
My first thought was "water grass"
Posted on 6/10/24 at 10:28 am to RaginRampage
I have that in spots in my yard that are less than ideal to support Centipede, St. Aug, or some variant of Zoysia. After years of spraying and battling it, I gave up. Unless I cut down trees, bring in soil, level certain spots, and install drainage in the swampy clay soil I have, nothing will change. I am relegated to fertilize and weed control where I can and roll with it.
Posted on 6/10/24 at 1:25 pm to RaginRampage
No expert but looks like it's time to dethatch.
Posted on 6/10/24 at 1:33 pm to Tigers4Lyfe
quote:
dethatch
Rest of the yard is fine, and does not have a thatch layer like shown. Just the spot with this weed looks that way because it's so long.
Posted on 6/10/24 at 1:42 pm to RaginRampage

Here’s a look at some longer ones that I pulled from my neighbors yard. This is where it originally spread from.
Posted on 6/10/24 at 4:55 pm to RaginRampage
I was a little throwed off by the first picture. The leaves looked thicker and resembled Dallisgrass leaves but they weren't growing from a clump.
When you posted this picture I think you are dealing with nimblewill. Break out the glyphosate. You can use Tenacity if you have some.
When you posted this picture I think you are dealing with nimblewill. Break out the glyphosate. You can use Tenacity if you have some.
This post was edited on 6/10/24 at 4:59 pm
Posted on 6/10/24 at 6:54 pm to RaginRampage
Looks like crabgrass to me. If you have Bermuda I would try Quinclorac.
Posted on 6/11/24 at 7:31 am to ronk
quote:
nimblewill
Looks like I drew a tough opponent. Tenacity should be here by the end of the week, I will update with results.
Thanks for the help
Posted on 6/20/24 at 5:36 pm to RaginRampage
I applied Tenacity on 6/12. Here are the results so far. Definitely looks like it was in fact nimblewill like ronk suggested, as a high rate of Surepyc IQ also had no affect on it.




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