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Need help killing nutsedge weeds

Posted on 5/9/21 at 2:32 pm
Posted by jwill37
The Chuck
Member since Jan 2007
1383 posts
Posted on 5/9/21 at 2:32 pm
Completely renovated my landscaping and those damn things still came back with a vengeance. Any tips on what chemical will kill these things without killing all my plants. I’m about to lose my mind.
Posted by ronk
Member since Jan 2015
6171 posts
Posted on 5/9/21 at 4:07 pm to
Just keep the sedgehammer off of your plants.
Posted by 98eagle
Member since Sep 2020
1949 posts
Posted on 5/9/21 at 7:39 pm to
I've used Ortho Nutsedge Killer from Home Depot in the premix spray bottle. Just sprayed it on the nutgrass a few years ago and it killed all of it on the first application, and did not harm my Zoyzia lawn.
Posted by Drunken Crawfish
Member since Apr 2017
3822 posts
Posted on 5/9/21 at 9:51 pm to
I have had good success with Image. I am trying certainty for the first time this year. Image usually starts working within a few days. Certainty takes a bit longer (it’s absorbed through roots not leaves) so I’ll report back. Certainty is cheaper per application than image.
Posted by b-rab2
N. Louisiana
Member since Dec 2005
12575 posts
Posted on 5/9/21 at 9:57 pm to
Go ahead and buy a bottle of sedgehammer and a new 1 or 2 gallon sprayer and label it. Go to work after that.
Posted by Shotgun Willie
Member since Apr 2016
3767 posts
Posted on 5/10/21 at 11:43 am to
Sedgehammer but add a surfactant
Posted by CarRamrod
Spurbury, VT
Member since Dec 2006
57426 posts
Posted on 5/10/21 at 2:14 pm to
buy generic sedgehammer off ebay.
Posted by gamecocks22
SC
Member since Dec 2012
4913 posts
Posted on 5/10/21 at 2:22 pm to
Sedgehammer as everyone has said, but I have had great luck with "Certainty".
Posted by Drunken Crawfish
Member since Apr 2017
3822 posts
Posted on 5/10/21 at 2:35 pm to
quote:

Sedgehammer as everyone has said, but I have had great luck with "Certainty".


How long did it take you to see results with certainty?
Posted by Hammond Tiger Fan
Hammond
Member since Oct 2007
16210 posts
Posted on 5/11/21 at 1:05 pm to
quote:

Go ahead and buy a bottle of sedgehammer and a new 1 or 2 gallon sprayer and label it. Go to work after that.


The problem I have with Sedgehammer is when you mix it you have to go ahead and use all of it when it's mixed. There's no way to save it for another time. Most of the time I'm looking to spot treat versus spraying large areas.
Posted by Puffoluffagus
Savannah, GA
Member since Feb 2009
6095 posts
Posted on 5/11/21 at 8:07 pm to
quote:

he problem I have with Sedgehammer is when you mix it you have to go ahead and use all of it when it's mixed. There's no way to save it for another time. Most of the time I'm looking to spot treat versus spraying large areas.


Yeah it is a downside. I'll probably switch to certainty once I use up my bottle of sedgehammer.

You do get better sedge control though if you broadcast spray due to sedges underground root system.
Posted by Drunken Crawfish
Member since Apr 2017
3822 posts
Posted on 7/1/21 at 12:11 pm to
Wanted to bump. Has anyone used Certainty in the summer? Everything I see is max of 85 degrees but have a ton of sledge popping up and need to do a broadcast application
Posted by CE Tiger
Metairie
Member since Jan 2008
41584 posts
Posted on 7/1/21 at 6:31 pm to
I got something called Sedge Ender during prime day for about $15. Gonna give it a try in a few days.
Posted by TGCM
Member since Dec 2020
81 posts
Posted on 7/2/21 at 8:17 am to
Anyone used Dismiss? I’ve had the best luck with the ortho nutsedge killer and it appears that dismiss has a greater percentage of sulfentrazone. I’ve got large patches of sledge throughout and was going to try Dismiss. Image hasn’t worked well for me.
Posted by CarRamrod
Spurbury, VT
Member since Dec 2006
57426 posts
Posted on 7/2/21 at 8:24 am to
Ive used dismiss before. it works for nutsedge and green kyllinga. it was super expensive though, more so than the sedge hammer generic.
ebay
This post was edited on 7/2/21 at 8:27 am
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