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Nutsedge - High temps

Posted on 8/6/24 at 9:59 am
Posted by Lazy But Talented
Member since Aug 2011
14888 posts
Posted on 8/6/24 at 9:59 am
Any recommendations on how to attack nutsedge this time of year DFW.

I thought I read I can use Ortho Nutsedge Killer regardless of temperature, but now that I purchased it I’m seeing otherwise.

I have sedgehammer too, but I believe that has temperature limitations as well.


I finally found a fert that works, but nutsedge has gone crazy.
Posted by Dallaswho
Texas
Member since Dec 2023
2632 posts
Posted on 8/6/24 at 10:09 am to
Just use a lighter treatment. 2x 30 days apart. Useless after 15-sep according to Neil Sperry so apply first one now.
They come back every year so controlling them this season is super beneficial for next season.
Posted by TexasHand
Mississippi
Member since Sep 2013
1255 posts
Posted on 8/6/24 at 10:58 am to
Empero off Amazon…. Stuff is amazing
Posted by Ziggy
Member since Oct 2007
21879 posts
Posted on 8/6/24 at 11:41 am to
quote:

I thought I read I can use Ortho Nutsedge Killer regardless of temperature, but now that I purchased it I’m seeing otherwise.

I spot spray once a week or so with this in the middle of the day (full sun) and I've never had turf injury at all. I have Tifway 419.
Posted by Puffoluffagus
Savannah, GA
Member since Feb 2009
6323 posts
Posted on 8/6/24 at 11:43 am to
I use sedgehammer or certainty during high temps and haven't had issues. I usually spray in the evening though. Dismiss which works well, probably should be careful in high temps
Posted by ApisMellifera
SWLA
Member since Apr 2023
584 posts
Posted on 8/6/24 at 12:50 pm to
I use Image and it works fine and no issues in the heat.

Just mix up a little of your Ortho and spray a small spot. If it works then go nuts. If not, move to something different.
Posted by Lazy But Talented
Member since Aug 2011
14888 posts
Posted on 8/6/24 at 2:06 pm to
Thanks yall. Will give it a go.
Posted by Lazy But Talented
Member since Aug 2011
14888 posts
Posted on 8/14/24 at 6:14 pm to
Ortho started working after 2 days. I am thoroughly impressed. Didn’t have to load up the sprayer.

Gonna hit the other spots this week.
Posted by member12
Bob's Country Bunker
Member since May 2008
32634 posts
Posted on 8/15/24 at 8:30 am to
Sedgehanmer works for me. I need to find some dye to put in it though.

We’ve had an outbreak this year.
Posted by PillageUrVillage
Mordor
Member since Mar 2011
15346 posts
Posted on 8/15/24 at 8:33 am to
quote:

Empero off Amazon…. Stuff is amazing


I use this stuff, too. Works great.
Posted by PerplenGold
TX
Member since Nov 2021
1902 posts
Posted on 8/15/24 at 4:37 pm to
quote:

Ortho started working after 2 days. I am thoroughly impressed.


Same here. I sprayed some Nutsedge in a non-grassy area with glyphosate and it took 7-9 days to notice impact.

Burned the Bermuda a bit with Ortho but it’ll be fine and won’t need to be mowed for a while.
This post was edited on 8/15/24 at 5:05 pm
Posted by NfamousPanda
Central
Member since Jan 2016
1076 posts
Posted on 8/15/24 at 7:53 pm to
It's pricey, but I use Celsius Xtra. Kills basically every weed but crabgrass. Used it two weeks ago on a bunch of sedge I had popping up and it's all dead today. Bermuda still chugging along
Posted by Goldbondage
Member since Mar 2020
733 posts
Posted on 8/17/24 at 6:49 am to
Vexis - an affordable granular product that is typically 1 shot kill. You “spot treat” with it.

Long term, you should look for the cause of sedge as it enjoys being it a wet location. Fill in low spots and check irrigation/drainage.
Posted by jordan21210
Member since Apr 2009
13926 posts
Posted on 8/17/24 at 8:47 am to
quote:

Vexis

Just ordered some. Really high application rate, but like that it’s granular. Hope it works.
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