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Old 07-16-2017, 08:36 AM
bull1134 bull1134 is offline
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Default Johnson grass

Has anyone ever found a spray that will kill Johnson grass, but not kill the surrounding good grass? I built my home in a pasture, and it has invaded areas of my lawn.


I was told to just keep it short and it'll die out, but after a year, that plan isn't working and it's spreading.
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Old 07-16-2017, 10:24 AM
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yellalilyslicker yellalilyslicker is offline
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What kind of lawn grass do you have?
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Old 07-16-2017, 10:40 AM
bull1134 bull1134 is offline
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Bermuda, but I'm thinking of going to st Augustine to try to help choke it out
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Old 07-16-2017, 11:57 AM
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Quote:
Originally Posted by bull1134 View Post
Has anyone ever found a spray that will kill Johnson grass, but not kill the surrounding good grass? I built my home in a pasture, and it has invaded areas of my lawn.


I was told to just keep it short and it'll die out, but after a year, that plan isn't working and it's spreading.
You are certain it's johnsongrass? If it's bahiagrass it's easy

We have killed it on roadsides with a wick It's taller than all the other grass so the herbicide gets in the johnsongrass only

Mowing short isn't going to do anything. It has a pretty good root system

I have had dallisgrass in my yard and used a sponge with herbicide and put it directly on the plant and had goodness success but this may not be feasible for you if you have a lot
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Old 07-17-2017, 06:23 AM
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Check out Pastora made by DuPont or you can mix some roundup hot like 50/50, put a good rubber glove with a cheap cotton glove over the rubber one, dip the cotton glove wet and hand wick the Johnson grass. If your yard is covered with it, hand wicking might take a while, but it will kill it dead that way.
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Old 07-17-2017, 08:27 AM
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MSMA will get it too and leave Bermuda grass alone. For best results do two applications one very seven to ten days. I have a Bermuda grass runway and sprayed it yesterday with mama. Pastora will work too but use lots of water ( slow your speed down) for some reason it seems to work better that way if you can get liquid fertilizer to add to the tank it helps a lot. The fertilizer makes the plants grow , hence they take up the chemicals better.
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Old 07-17-2017, 08:28 AM
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Msma is great on Dallas grass too use two applications one every week.
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Old 07-17-2017, 10:33 AM
bull1134 bull1134 is offline
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thanks a lot, I will try each one.
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