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Help with Nutsedge
Posted on 7/22/24 at 9:45 am
Posted on 7/22/24 at 9:45 am
We have monkey grass in our back yard and it’s infested with nutsedge. You pull it and it comes back ten fold the next week. Ive tried Image, and the spectracide nutsedge killers and neither had any effect. What else can I do?
7
Posted on 7/22/24 at 9:59 am to elprez00
Read the label on sedgehammer and see if it is safe for your ornamental grass.
Posted on 7/22/24 at 10:30 am to elprez00
quote:
Read the label on sedgehammer and see if it is safe for your ornamental grass.
I’ve used Sedgehammer (halosulfuron) in liriope beds with no issue. If you use Sedgehammer be sure to add surfactant (spreader-sticker) in the herbicide solution. You’ll need to be persistent, one application will not solve the issue.
Posted on 7/22/24 at 10:39 am to elprez00
quote:
You pull it and it comes back ten fold the next week.
This is your issue,,, when you pull nutsedge it 'agitates' the nut/roots and promotes more growth.
As was previously mentioned, you can use a herbicide to kill it. I've used Image for Nutsedge in my liriope and it got ride of the nutsedge, and didn't harm the liriope at all.
Posted on 7/22/24 at 11:35 am to elprez00
piggybacking on this with a nutsedge question
I get a bunch of nutsedge in my flowerbeds every year. I've been spraying with sedgehammer with good effect, but I'm always paranoid about pulling it. When is it safe to yank it? Once it's yellowed or wait until completely dead? Or should I just not pull it at all, and trim down to the ground with trimmer or scissors?
I get a bunch of nutsedge in my flowerbeds every year. I've been spraying with sedgehammer with good effect, but I'm always paranoid about pulling it. When is it safe to yank it? Once it's yellowed or wait until completely dead? Or should I just not pull it at all, and trim down to the ground with trimmer or scissors?
Posted on 7/22/24 at 12:13 pm to Sir Saint
quote:
I get a bunch of nutsedge in my flowerbeds every year. I've been spraying with sedgehammer with good effect, but I'm always paranoid about pulling it. When is it safe to yank it? Once it's yellowed or wait until completely dead? Or should I just not pull it at all, and trim down to the ground with trimmer or scissors?
Halosulfuron (Sedgehammer) is translocated to the nutsedge tubers killing them but of course tubers sprout from other nutsedge plants so it takes multiple sprays over time to “rid” a bed of nutsedge. And though it doesn’t answer your question, I’d be more inclined to cut them after they are brown than to pull them, but I’m like everyone else, it’s hard to resist pulling, prior to, and after treatment even though that’s not the best course of action. lol.
Here is a FAQ on Sedgehammer by the manufacturer which is helpful. LINK
This post was edited on 7/22/24 at 1:32 pm
Posted on 7/22/24 at 1:02 pm to CrawDude
much appreciated as always
Posted on 7/22/24 at 2:27 pm to CrawDude
About to have to deploy it pretty heavily in my backyard. Its popping up in some dirt spots in my yard that are still filling in from st aug. Also in my beds where the mulch was low. Was scared to spray but I see that it doesnt affect liriope. Also have muhly grass, sweet viburnum, shi shi's, camellias and foxtails back there. What else should I be worried about it being around?
Posted on 7/22/24 at 4:32 pm to LSUDbrous90
Nutsedge and Kyllinga are a major issue in parts of my yard the last year or 2.
I tried Sedgehammer and it did little to nothing.
I tried Certainty and it did nothing.
I have used several applications of both products with little to no results.
The only product that works for me is Ortho Nutsedge Killer. $20 a bottle and it takes 2 bottles to spray my entire yard. The kyllinga/nutsedge is browning 2 days after I spray my lawn.
I tried Sedgehammer and it did little to nothing.
I tried Certainty and it did nothing.
I have used several applications of both products with little to no results.
The only product that works for me is Ortho Nutsedge Killer. $20 a bottle and it takes 2 bottles to spray my entire yard. The kyllinga/nutsedge is browning 2 days after I spray my lawn.
This post was edited on 7/22/24 at 4:34 pm
Posted on 7/22/24 at 5:35 pm to elprez00
I’ve had the best luck with Empero off Amazon…. It’s comparable to Sedgehammer but for whatever reason, it’s worked better for me than just about everything, Sedgehammer included. Also, look into Katana, it’s not cheap though.
Posted on 7/22/24 at 8:12 pm to elprez00
I’ve used Sedgehammer and also had good luck with Certainty. No idea if Certainty would harm your monkey grass, but it sounds like others think Sedgehammer won’t harm it. Sledgehammer will kill the hell out of Nutsedge, but I’ve found it takes two treatments. Certainty requires 2 treatments. Neither Sedgehammer or Certainty kill the stuff fast, but a couple of treatments two weeks apart rid my yard of that weed in less than 30 days.
Posted on 7/23/24 at 8:40 am to hedgehog
Gonna do my first application of sedgehammer this weekend and see what happens. Appreciate the other options as I may end up there.
Posted on 7/23/24 at 10:00 am to LSUDbrous90
quote:
About to have to deploy it pretty heavily in my backyard. It’s popping up in some dirt spots in my yard that are still filling in from st aug. Also in my beds where the mulch was low. Was scared to spray but I see that it doesnt affect liriope. Also have muhly grass, sweet viburnum, shi shi's, camellias and foxtails back there. What else should I be worried about it being around?
Just read the label for each herbicide you are considering but by and large be careful and try to avoid spraying it directly on woody & herbaceous perennials
This post was edited on 7/23/24 at 1:32 pm
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