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Help identifying and eradicating weeds Login/Join 
Staring back
from the abyss
Picture of Gustofer
posted
I've recently had these weeds spring up in patches around my lawn and I have no idea what they are.

I do know that 2-4-D (Weed-B-Gone) doesn't kill them. Even the crab grass concoction by them won't do it.

Anybody have any idea what it is and how to kill it (other than Roundup, gas, or fire)?





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Posts: 21012 | Location: Montana | Registered: November 01, 2010Reply With QuoteReport This Post
I Am The Walrus
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Posts: 13359 | Registered: March 12, 2005Reply With QuoteReport This Post
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Picture of signewt
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we applied straight boiling water to some unknown lawn weeds a few years ago. Worked great. They were larger stemmed & easier to focus on than these little things.

Here's a link that might help ID:

http://www.tennesseeturfgrassw...g/pages/weed-id.aspx


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Posts: 9880 | Location: sunny Orygun | Registered: September 27, 2009Reply With QuoteReport This Post
semi-reformed sailor
Picture of MikeinNC
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I’ve got the same thing in my Bermuda here in central Texas too.



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Posts: 11574 | Location: Temple, Texas! | Registered: October 07, 2006Reply With QuoteReport This Post
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Picture of Johnny 3eagles
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Roundup, don't worry about the cancer Smile Roundup has a product that doesn't kill grass but works on the weeds.





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Posts: 7378 | Location: Arkansas  | Registered: November 06, 2010Reply With QuoteReport This Post
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Picture of arfmel
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2-4-D is a broadleaf weed killer. It doesn’t work on grass. I can’t tell for sure, but your weed looks kind of like a grass to me.

AFAIK anything that kills a nuisance grass will also kill your lawn grass. You may have to physically eradicate your weed by digging it up.
 
Posts: 27281 | Location: SW of Hovey, Texas | Registered: January 30, 2007Reply With QuoteReport This Post
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Picture of henryaz
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quote:
Originally posted by arfmel:
You may have to physically eradicate your weed by digging it up.

That's what I do. I pack a small pickaxe on my riding mower and when I spot one, I get off and hack it out. I have to do this several times every spring, then I'm good for the summer. It's not just "weeds", either, but other invasive non-Bermuda grasses.



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Posts: 10887 | Location: South Congress AZ | Registered: May 27, 2006Reply With QuoteReport This Post
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Looks like Annual Bluegrass (Poa Annua) to me. You're going to need to use a selective herbicide for grassy weeds. Check out a product called blindside on Amazon. It's labeled for residential use, also safe for use in most cool and warm season lawns.
 
Posts: 1150 | Registered: October 05, 2008Reply With QuoteReport This Post
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Also, keep in mind that Poa doesn't like heat at all. It will die out on its own in the summer. There are herbicides aside from Blindsidebthat will take care of it, but I recommend Blindside because it smokes just about any other weed you may come across. It's a tremendous value, and one bottle will likely outlive you.
 
Posts: 1150 | Registered: October 05, 2008Reply With QuoteReport This Post
Staring back
from the abyss
Picture of Gustofer
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Thanks for responding lopezp. That sure looks like what it is.

Reading up on the Blindside, I don't think I want that though as my lawn has bluegrass in the mix along with a few other species and I obviously don't want to kill that as well as the weed.

A product called Tenacity looks like it'll kill it off without harming anything else so I'll give it a go. The Tenacity also kills all broadleaf stuff as well, so hopefully that's all I'll need. Dandelions and thistles are my main enemies around here.


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Posts: 21012 | Location: Montana | Registered: November 01, 2010Reply With QuoteReport This Post
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Picture of mcrimm
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Weed-B-Gone is pretty weak IMO. It will kill dandelions in my yard but that’s about it. I use Weedmaster that should be widely available.

Mike



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Posts: 4292 | Location: Saddlebrooke, Arizona | Registered: December 24, 2013Reply With QuoteReport This Post
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quote:
Originally posted by Gustofer:
Thanks for responding lopezp. That sure looks like what it is.

Reading up on the Blindside, I don't think I want that though as my lawn has bluegrass in the mix along with a few other species and I obviously don't want to kill that as well as the weed.

A product called Tenacity looks like it'll kill it off without harming anything else so I'll give it a go. The Tenacity also kills all broadleaf stuff as well, so hopefully that's all I'll need. Dandelions and thistles are my main enemies around here.


Tenacity will be a fantastic choice for Annual Bluegrass suppression. The active ingredient is Mesotrione. It's a fairly common herbicide. If you Snoop around, you're likely to find a generic of Tenacity at a fraction of the cost. meso-try-one is an example. Sometimes tractor supply carries generic ag versions of the turf/golf chemicals. Check them out, but remember, you want the active ingredient of Mesotrione...and only Mesotrione in the generic.
 
Posts: 1150 | Registered: October 05, 2008Reply With QuoteReport This Post
Staring back
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Picture of Gustofer
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quote:
Originally posted by mcrimm:
Weed-B-Gone is pretty weak IMO.

Yeah, it is.

I always mix it up double strength and it does a little better/quicker job on the dandelions but it still takes quite awhile to kill thistles. Them are some tough bastages. It kills clover too. I have no idea how I get patches of clover in my lawn being at least five miles away from the nearest clover...but I do. I blame the deer.

I just like using it because it doesn't kill the lawn and it's the only thing (other than Roundup) that my hardware store carries and I like to avoid Kalispell and Missoula like the plague these days.


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Posts: 21012 | Location: Montana | Registered: November 01, 2010Reply With QuoteReport This Post
Legalize the Constitution
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I can’t ID it from those photos. I’d call your County Conservation District office. One of the specialists there will positively identify it, and recommend a treatment.


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Posts: 13761 | Location: Wyoming | Registered: January 10, 2008Reply With QuoteReport This Post
The Constable
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Amine 2.4.D Doesn't work? It's some sort of grass then.

Take a sample to the County Agent.

I can't ID it and I have had weeds here at home that defied identification. Lesser hens bane, etc.

You can use the Roundup total herbicide but it will kill everything.
 
Posts: 7074 | Location: Craig, MT | Registered: December 17, 2010Reply With QuoteReport This Post
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Picture of HayesGreener
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Many of the weed grasses grow taller faster than the surrounding ornamental grasses. If that is the case with your weed grass you can kill it by using a weed wiper with roundup. In a very small area you can use a sponge mop saturated (not dripping) with roundup and wipe it over the top of the weed. It will pull the glyphosate down to the roots and kill the taller plant without harming the shorter plants around it. We used much larger versions of the weed wiper in our hay fields and it worked quite well.


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Posts: 4381 | Location: Florida Panhandle | Registered: September 27, 2009Reply With QuoteReport This Post
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Picture of chellim1
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quote:
Originally posted by Gustofer:
I've recently had these weeds spring up in patches around my lawn and I have no idea what they are.

At least it's not lezpedeza!



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Posts: 24881 | Location: St. Louis, MO | Registered: April 03, 2009Reply With QuoteReport This Post
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Picture of sigcrazy7
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Weed b Gone is not the product to use. As stated, you need a grass killer.

2,4-D is not weak, you're just using it wrong. It works by stimulating the plant to grow beyond its ability to support the growth. Therefore, it works very well on fast growing plants during their fast growing time, especially just before maturity. It becomes less effective as the summer wears on because the plant's growth is slowing down naturally.

2,4-D is THE stuff to kill Dandelions, and it is the only reason that the SE Unite States isn't completely covered with kudzu.



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Posts: 8292 | Location: Utah | Registered: December 18, 2008Reply With QuoteReport This Post
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