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What’s the best way to get rid of those little bundles of junk grass?
Posted on 5/22/19 at 9:17 am
Posted on 5/22/19 at 9:17 am
Not sure what they are called, but I have those pesky bundles of junk grass throughout my back yard along with some shamrocks. I have been plugging the yard with st Augustine pieces last 3 years and most of the yard now has a solid base of st Augustine. I would love to get rid of that junk grass.
14
Posted on 5/22/19 at 9:18 am to Cow Drogo
Whatever you end up with use nonionic surfactant. The more surfactant used, the better it holds onto the weed and allows it to be absorbed. You have a war on your hands. It's not going to happen overnight.
Edited: didn't see st. Aug as the grass type.
Edited: didn't see st. Aug as the grass type.
This post was edited on 5/22/19 at 9:49 am
Posted on 5/22/19 at 9:21 am to Cow Drogo
Looks like dallisgrass, which isn't easy to get rid of.
Posted on 5/22/19 at 9:22 am to Cow Drogo
I use Roundup Selective for Southern Lawns. You can get it at Home Depot. I would buy the concentrate and mix it as directed in a pump sprayer and spray your whole yard. It will take some time because you only mix it a few ounces per gallon. Once the yard is sprayed, come back in a couple of weeks and spot treat.
This post was edited on 5/22/19 at 9:24 am
Posted on 5/22/19 at 9:27 am to slinger1317
So that won’t kill the st Augustine?
Posted on 5/22/19 at 9:37 am to lsurulzes88
quote:
Sethoxydim and nonionic surfactant. The more surfactant used, the better it holds onto the weed and allows it to be absorbed. You have a war on your hands. It's not going to happen overnight.
Is this a spot treat or entire yard?
Posted on 5/22/19 at 9:39 am to Cow Drogo
MSM will kill that will repeated treatments. Can spray the whole yard
Posted on 5/22/19 at 9:40 am to Cow Drogo
I grab it like a pony tail and pull up...They usually come up pretty easy and I knock off the dirt..
Posted on 5/22/19 at 9:42 am to Cow Drogo
Don’t use sethoxydim on St Aug as it will kill the St Aug, although sethoxydim can be used to kill many grassy weeds in centipede, and is a great herbicide for use in centipede.
As another poster stated that could be dallisgrass (I’m not sure) which might require spot spraying with glyphosate (Roundup) to kill it or digging it up.
Send these photos to Dr Ron Strahan, weed control specialist with the LSU AgCenter rstrahan@agcenter.lsu.edu. He can likely ID it from these photos, and he’ll provide you with control recommendations.
As another poster stated that could be dallisgrass (I’m not sure) which might require spot spraying with glyphosate (Roundup) to kill it or digging it up.
Send these photos to Dr Ron Strahan, weed control specialist with the LSU AgCenter rstrahan@agcenter.lsu.edu. He can likely ID it from these photos, and he’ll provide you with control recommendations.
Posted on 5/22/19 at 9:47 am to CrawDude
Good catch. Didnt see his note about st aug.
Posted on 5/22/19 at 9:49 am to Cow Drogo
My yard looked exactly like this about 2 weeks ago. Now it's full of brown spots where I sprayed the dallisgrass with Roundup. Have fun. I'm losing my war right now. 
Posted on 5/22/19 at 10:44 am to Cow Drogo
quote:
So that won’t kill the st Augustine?
It says to apply to St. Aug before temps reach 85 degrees. Any hotter and it may brown the grass. We are getting close to that now, so if you go this route I would get on it soon.
I have Zoysia grass so it has not harmed my lawn.
Posted on 5/22/19 at 11:14 am to slinger1317
quote:
I use Roundup Selective for Southern Lawns.
That would work fine on his clover and many other broad leafs, but not the grassy “dallisgrass” if in fact that what it is. And as noted, it’s become too hot in southern LA now to safety use that product without potentially damaging the St Aug.
Posted on 5/22/19 at 11:26 am to jimbeam
quote:
MSM will kill that will repeated treatments. Can spray the whole yard
MSM (methsulsuron methyl) is a good herbicide for lawns, I use it in mine, without the temperature restriction, but pretty sure that’s not going to take out those clumps of weedy grass, unless it’s bahiagrass, and I’m pretty sure it’s not bahiagrass.
Posted on 5/22/19 at 1:28 pm to CrawDude
Dallisgrass,spray with roundup.Eventually St.Augustine should cover the dead spots.Good luck-I’ve never seen that much dallisgrass in a lawn.I have an occasional one pop upon my yard but nothing like that.
Posted on 5/22/19 at 2:22 pm to classicgold
quote:
My yard looked exactly like this about 2 weeks ago. Now it's full of brown spots where I sprayed the dallisgrass with Roundup. Have fun. I'm losing my war right now
Rake up those dead spots, add a little top soil in those spots and water the shite out if it.
Posted on 5/22/19 at 5:18 pm to Yaboylaroy
Thats the plan. I bought a few bags of the yard soil/compost mix to put on all of the dead spots when I finish going nuclear on the remaining dallisgrass patches. hopefully my yard will recover by mid summer after a milorganite application.
Posted on 5/22/19 at 7:59 pm to classicgold
Isn't that crabgrass?
I use a sharp shovel and dig up.
I use a sharp shovel and dig up.
Posted on 5/22/19 at 8:03 pm to Cow Drogo
Honestly, dig it up.
Posted on 5/22/19 at 8:19 pm to Cow Drogo
First of all, you can't let them get that tall. They have already reseeded themselves. You can kill those, but 100 more are going to pop up in their place now. Start mowing regularly to keep them from seeding out, and continue whatever herbicide plan you decide on.
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