I had a whole lawn of this pain in the butt grass...and I had to spray with a weed killer, pitchfork it to get the white roots up and then use a four prong pitch fork and basically sift the dirt to get the nodules or bulbs out of the soil. it took a while to remove all i could. if you see the grass through your lawn it runs on a runner and you have to dig it completely up -it can even run under a sidewalk 6 or 7 inches underground, but you must dig up the white root all the way to the end..it is actually a version of zoisia only I think zoisia is a dwarf version and they both have the same growing habits dying down in the winter . You may never get rid of it completely and you must get rid of any you see ...It does take over if you let it go. Good luck!
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