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Does anything kill weeds and not grass?

Posted on 4/14/14 at 12:09 pm
Posted by TigerTatorTots
The Safeshore
Member since Jul 2009
80752 posts
Posted on 4/14/14 at 12:09 pm
Weed & Feed didn't do the trick. In between the ditch and the street, my grass is being overtaken by some type of weed that I haven't seen before. Is there something that will kill weeds but not centipede grass?
Posted by tigerinthebueche
Member since Oct 2010
36791 posts
Posted on 4/14/14 at 12:13 pm to
2-4-D if its broad leaf weeds
Posted by 4WHLN
Drinking at the Cottage Inn
Member since Mar 2013
7579 posts
Posted on 4/14/14 at 12:17 pm to
quote:

Weed & Feed didn't do the trick.


how long ago did you put this down?
Posted by TigerTatorTots
The Safeshore
Member since Jul 2009
80752 posts
Posted on 4/14/14 at 12:18 pm to
quote:

how long ago did you put this down?

2-3 weeks ago
Posted by MallardMaster
Baton Rouge
Member since Aug 2013
330 posts
Posted on 4/14/14 at 12:19 pm to
2-4d assuming the weed is a broadleaf. But mix at the recommended doses. If you mix it to strong it will kill the grass as well.
Posted by jimbeam
University of LSU
Member since Oct 2011
75703 posts
Posted on 4/14/14 at 12:22 pm to
2
fo
dee
Posted by TigerTatorTots
The Safeshore
Member since Jul 2009
80752 posts
Posted on 4/14/14 at 12:23 pm to
Not sure if you can tell by these pics...





Posted by Motorboat
At the camp
Member since Oct 2007
22662 posts
Posted on 4/14/14 at 12:38 pm to
that looks like the kind of stiff that 2-4-D will kill, thus allowing your real grass to prosper. I hate some broad leaf.
Posted by Fishhead
Elmendorf, TX
Member since Jan 2008
12170 posts
Posted on 4/14/14 at 12:38 pm to
That's a broadleaf weed. 2-4-D.

It is a selective herbicide that kills only broadleaf weeds, so if you have some grassy weed, it will remain.
Posted by Tail Dragger
Member since Aug 2012
344 posts
Posted on 4/14/14 at 12:40 pm to
That would be henbit in that picture...atrazine is your best bet
Posted by Crawdaddy
Slidell. The jewel of Louisiana
Member since Sep 2006
18360 posts
Posted on 4/14/14 at 12:48 pm to
so what does a bottle of 2 4 D look like? where to buy?
Posted by Croacka
Denham Springs
Member since Dec 2008
61441 posts
Posted on 4/14/14 at 1:00 pm to
most weed killers have that as the main ingredient, though not quite as concentrated


i've had good luck with spectracide weed stop from home depot or walmart


mix as directed, it has 2-4D and some other chemicals that target certain weeds
Posted by jimbeam
University of LSU
Member since Oct 2011
75703 posts
Posted on 4/14/14 at 1:02 pm to
can buy it anywhere. can come in different names. just get the generic

Funny because I'm studying about 2-4-d for a test right now

quote:

2,4-Dichlorophenoxyacetic acid (usually referred to by its abbreviation, 2,4-D) is a common systemic pesticide/herbicide used in the control of broadleaf weeds. It is one of the most widely used herbicides in the world, and is the third most commonly used herbicide in North America.[2] 2,4-D is a synthetic auxin (plant hormone), and as such it is often used in laboratories for plant research and as a supplement in plant cell culture media such as MS medium. It was a major ingredient in Agent Orange alongside its chemically similar relative, 2,4,5-T (2,4,5-trichlorophenoxyacetic acid).
This post was edited on 4/14/14 at 1:04 pm
Posted by TigerTatorTots
The Safeshore
Member since Jul 2009
80752 posts
Posted on 4/14/14 at 3:35 pm to
quote:

That would be henbit in that picture...atrazine is your best bet

Would 2 4 D work well on henbit as well?
Posted by Nodust
Member since Aug 2010
22630 posts
Posted on 4/14/14 at 3:42 pm to
quote:

Weed & Feed didn't do the trick.

Most weed and feeds are pre-germination herbicides. It keeps the seeds from becoming weeds. You need to know what you put out in order to know if it will work.
Posted by TigerTatorTots
The Safeshore
Member since Jul 2009
80752 posts
Posted on 4/14/14 at 3:44 pm to
I didn't put out the weed & feed for the purpose of killing the weeds. I do it every spring to green up the grass. I have no clue how that stuff works so just assumed it may help with the weeds.
Posted by Nodust
Member since Aug 2010
22630 posts
Posted on 4/14/14 at 3:54 pm to
What was the chemical?
Atrazine has pre and post-germination properties. May be that.
Posted by Hammertime
Will trade dowsing rod for titties
Member since Jan 2012
43030 posts
Posted on 4/14/14 at 4:42 pm to
Brown bottle with white label and some yellow stuff on it. Any hardware store will have it
Posted by geauxnc0308
pineywoods of ET
Member since May 2008
535 posts
Posted on 4/14/14 at 5:45 pm to
All feed stores will carry 2-4-D, just ask Bubba behind the counter to point you where. Wait for a hot sunny day with no rain chance to spray
Posted by bootlegger
Ponchatoula
Member since Dec 2012
5330 posts
Posted on 4/14/14 at 6:12 pm to
Atrazine will work better, but takes about a month to see the results. 2,4-d will act quickly, but may require a second application.
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