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Nutsedge

Posted on 9/3/24 at 12:18 pm
Posted by HardBall31
Louisiana
Member since Feb 2024
92 posts
Posted on 9/3/24 at 12:18 pm
have a ton of nutsedge in my flower beds. I pull them but they are back within a day or two. I have read that the nutsedge spot spray works well so i am going to try that. Any other tips to prevent it from returning?
Posted by bayoubengals88
LA
Member since Sep 2007
21303 posts
Posted on 9/3/24 at 12:30 pm to
It's one of the only weeds I know of where pulling by hand makes it spread even more so that might explain your issue.
Get a packet of sedgehammer on Amazon for like $15
Posted by TheBoo
South to Louisiana
Member since Aug 2012
5124 posts
Posted on 9/3/24 at 12:31 pm to
You can pull them but unless you are pulling the nuts out from the soil it'll keep coming back and expanding.
Posted by NASA_ISS_Tiger
Huntsville, Al via Sulphur, LA
Member since Sep 2005
8157 posts
Posted on 9/3/24 at 12:44 pm to
quote:

You can pull them but unless you are pulling the nuts out from the soil it'll keep coming back and expanding.


I always thought the same thing but there are internet people who think you shouldn't pull at all. Use Sedgehammer or one of the other targeted sedge herbicides. If the "no pull" people are right, I'm mad as hell at my mom and dad for making me pull all of that grass in their garden growing up
Posted by CatfishJohn
Member since Jun 2020
16958 posts
Posted on 9/3/24 at 12:57 pm to
What about mowing and mulching it? Does that make it spread a bunch?
Posted by bonstonker
Member since Jan 2008
338 posts
Posted on 9/3/24 at 3:40 pm to
One treatment isn't going to work.
It will kill what you see but more will come up again.
Will take a few treatments over time.
I use a bottle of Sedgehammer.
Posted by Ziggy
Member since Oct 2007
21878 posts
Posted on 9/3/24 at 3:53 pm to
quote:

I use a bottle of Sedgehammer.

Albeit more expensive, Certainty works great on sedges as well.
Posted by DIGGY
Member since Nov 2012
1834 posts
Posted on 9/3/24 at 4:28 pm to
Nutsedge, like any other perennial, begins moving “food” it produces from above ground growth (leaves etc) to below ground storage in structures such as rhizome, stolons, or as in the case of nutsedge, tubers (the nutlets), in the fall of the year. So somewhere tween mid Sept and end of October is optimum time to apply something like Sedgehammer so it gets moved along with the “food” down into the tubers/nutlets and kills them. So the sedge cannot come back the following year. By pulling the plant and leaving the tubers, they just keep coming back. Spot spray with Sedgehammer and a good quality nonionic surfactant to help the herbicide spread across the leaves starting in a couple/3 weeks. You may have to do this multiple falls to completely eliminate the population.
Posted by LemmyLives
Texas
Member since Mar 2019
10223 posts
Posted on 9/3/24 at 10:53 pm to
Sedgehammer doesn’t do shite to the sedge we have in W Houston.

Dismiss kills it with quickness, and one bottle will last you a year or more. Spray as soon as you see it, even if it’s twice a week.
Posted by LSUTIGERTAILG8ER
Chance of Rain....NEVER!!
Member since Nov 2007
1850 posts
Posted on 9/4/24 at 7:40 am to
I sprayed Image on the crazy amounts of Nutsedge in my bermuda in the back yard about 1.5 weeks ago. It looks like it absolutely did the job on the nutsedge, the bermuda definitely felt it, but i feel its rebounding. Hopefully with the rain in the next few days, the bermuda will make a comeback. The image was cheap and at walmart and you could try in the landscape.
Posted by dlambe5
Prairieville
Member since Jul 2009
688 posts
Posted on 9/4/24 at 6:05 pm to
quote:

Image


Definitely wouldn't spray that in the flowerbeds. Especially around roses and any other flowering plants.
This post was edited on 9/4/24 at 6:09 pm
Posted by MDB
Baton Rouge
Member since Nov 2019
3497 posts
Posted on 9/4/24 at 6:17 pm to
Will Roundup work? I have some the older version of it.
Posted by Tigers4Lyfe
Member since Nov 2010
5565 posts
Posted on 9/5/24 at 12:04 pm to
I use any kind of concentrated weed killer (roundup, etc) at 100% strength and pour it in a little spray bottle. When I see it coming up I spray that SOB.

Leave it, do not pull it until it is dead/brown.

And you keep doing that as they come up, and over time they will lessen down to nothing.

But you have to be vigilant.
Posted by PerplenGold
TX
Member since Nov 2021
1893 posts
Posted on 9/5/24 at 1:34 pm to
quote:

Will Roundup work?


I sprayed glyphosate on some in a rocky area. Took 8-10 days but it died off. Ortho Nutsedge in a Bermuda area killed it in 2 days. Haven’t seen either area re sprout yet. This was easily a month ago and we’ve had rain lately.
This post was edited on 9/5/24 at 1:38 pm
Posted by bogart
Member since Dec 2013
1279 posts
Posted on 9/5/24 at 4:55 pm to
Just go to Home Depot and get one of the black spray jugs of Spectricide with nutsedge killer. Just go around and spray each one and they will be dead in 2-3 days.
Posted by Tchefuncte Tiger
Bat'n Rudge
Member since Oct 2004
60704 posts
Posted on 9/6/24 at 1:32 pm to
quote:

Any other tips to prevent it from returning?


Posted by PerplenGold
TX
Member since Nov 2021
1893 posts
Posted on 9/6/24 at 1:41 pm to
quote:

sprayed glyphosate on some in a rocky area. Took 8-10 days but it died off. Ortho Nutsedge in a Bermuda area killed it in 2 days. Haven’t seen either area re sprout yet. This was easily a month ago and we’ve had rain lately.


The day after posting this and some of the nutsedge that was brown is now turning green. These were sprayed with the Ortho product. Glyphosate areas look to be dead dead so far. Lots of the Ortho area still looks dead but not all.
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