Weed ID please

Good Luck. I use Ortho weed kller something or other that kind of works.

Just pull it. I hate this stuff

Late in the year to try to kill it. Once it reaches flowering stage, suppression is about all you can hope for. Hit it in the spring with a broadleaf killer (2,4-D, Weed Free Zone, Trimec, etc.). May require a follow-up treatment 4-6 weeks later.

You should not use 2,4 d on St. Augustine---especially when it is actively growing.

buttonweed kush

I have that too, I'm also fighting a clover that is taking over my centipede. Any ideas for that?

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no kidding? i thought 2,4,d is only effective on woodies

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Nope. 2,4d is a broadleaf herbicide and St. Augustine is susceptible to injury and so is centipede and carpetgrass. Those grasses will normally grow out of the damage 2,4d causes BUT it can kill them if the plants are growing quickly and the whether is warm.

Good article from Dan Gill on it. LINK

FYI I do use 2,4d on my centipede at a low rate in the spring and fall with good results.

I would try 2,4d sometime this fall when the temperature cools or try some of the consumer products Dan recommends. Most of those are 2,4d derivates however.

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thanks. at my camp i use a mix of glycophosphate and 2,4,d at 1/2 strength to keep from mowing grass all the time. i thought the 2,4,d was only working on on the stray woody that would try and pop up.

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Try RM43 for that purpose. It kills weeds and grass for up to a year. It is glyphosate and imazapyr. It will kill trees so be careful.


LINK