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Billy Mays
Ole Miss Fan
Mandevegas, LA
Member since Jan 2009
20426 posts

Any Tips for Getting Rid of Johnson or Cogongrass ETA: May just be annual rye
This shite has proliferated all throughout my yard this spring. I have a mostly St Augustine yard and this is the 1st year I've seen this stuff pop up (other than near the fence lines) in the majority of the yard.

From what I've seen it's a pain in the arse to control - anyone have any good tips?
This post was edited on 4/16 at 8:20 pm


CrawDude
LSU Fan
Baton Rouge
Member since Apr 2019
71 posts

re: Any Tips for Getting Rid of Johnson or Cogongrass ETA: May just be annual rye
You sure it’s Johnsongrass - perhaps you could post some pictures. Might also consider moving your question to the lawn thread - bootlegger is the resident expert in that thread that people rely upon for such answers - and many good questions and answers on lawn weed control.


ronk
Member since Jan 2015
892 posts
 Online 

re: Any Tips for Getting Rid of Johnson or Cogongrass ETA: May just be annual rye
Post a picture because the two names people always throw out for Dallis grass is Johnson grass and crabgrass.


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Billy Mays
Ole Miss Fan
Mandevegas, LA
Member since Jan 2009
20426 posts

re: Any Tips for Getting Rid of Johnson or Cogongrass ETA: May just be annual rye
Will post in the other thread too thanks, but here's some pics anyway:








lgtiger
LSU Fan
LA
Member since May 2005
528 posts

re: Any Tips for Getting Rid of Johnson or Cogongrass ETA: May just be annual rye
Kinda early for Johnsongrass, looks more like ryegrass or some other winter annual


CrawDude
LSU Fan
Baton Rouge
Member since Apr 2019
71 posts

re: Any Tips for Getting Rid of Johnson or Cogongrass ETA: May just be annual rye
Certainly appears to be sometime type of grass but I’m not sure what. I see you now have it posted in the lawn thread so I’ll be interested to see what they come up with.

In the interim, send these pics to Dr. Ron Strahan, turf/lawn weed extension specialist with the LSU AgCenter, rstrahan@agcenter.lsu.edu and ask if he can ID from the photos and control methods in St Aug. He’s my go expert on such matters. He is good about getting back with answers pretty quickly.

Get back on the board with any answer he provides. I’d like to know myself.


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Billy Mays
Ole Miss Fan
Mandevegas, LA
Member since Jan 2009
20426 posts

re: Any Tips for Getting Rid of Johnson or Cogongrass ETA: May just be annual rye
One of my neighbors did plant some rye last fall - is it possible for seed to blow into another yard?
This post was edited on 4/15 at 7:22 pm


lgtiger
LSU Fan
LA
Member since May 2005
528 posts

re: Any Tips for Getting Rid of Johnson or Cogongrass ETA: May just be annual rye
Wind while seeding, flooding rain could do it


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Red Solo Cup
Georgia Fan
The South
Member since Sep 2012
265 posts

re: Any Tips for Getting Rid of Johnson or Cogongrass ETA: May just be annual rye
Looks like some type of annual rye.


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CrawDude
LSU Fan
Baton Rouge
Member since Apr 2019
71 posts

re: Any Tips for Getting Rid of Johnson or Cogongrass ETA: May just be annual rye
Now that others have mentioned it, It does look like ryegrass, I planted a little in bare spots last fall, and it looks like that. I is a very light seed - I could see it being carried by wind and/or water.


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Spankum
LSU Fan
Miss-sippi
Member since Jan 2007
48879 posts

re: Any Tips for Getting Rid of Johnson or Cogongrass ETA: May just be annual rye
as the others say, that is rye grass. I would just keep is cut short so it doesn't look too bad and it will play out as soon as it gets hot outside. Need to keep it cut short enough so that it doesn't seed and you will be good.


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ronk
Member since Jan 2015
892 posts
 Online 

re: Any Tips for Getting Rid of Johnson or Cogongrass ETA: May just be annual rye
Where do you live? It’s not annual rye. Looks like rescue grass. Do you have a picture of the seed head? It is 1000% not Johnson grass.


Billy Mays
Ole Miss Fan
Mandevegas, LA
Member since Jan 2009
20426 posts

re: Any Tips for Getting Rid of Johnson or Cogongrass ETA: May just be annual rye
I live in Mandeville - is it possible it could be Cogongrass?


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