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What is this invasive grass taking over my lawn ?

11 years ago

I am hoping that someone can help me with my battle to save my lawn. Over the last couple of years I have been losing a battle with an invasive species of grass.
My usual weed preventative measures (pre and post emergent) have had little , if any, effect on it.
It has very thin grass blades that grow off of runners of which the roots seem to be unusually deep (see attached photo). It spreads quickly and grows very thick, smothering out my St. Augustine. Also, my location is Jacksonville Florida, which does get reasonably cold in the winter which causes this pesky grass to brown. But once spring is in full bloom it comes back with a vengeance, hardier than ever.
Can anyone tell me what it is and how to control or get rid of it without losing the rest of my lawn?
All comments appreciated, thanks!

This post was edited by Rick_Adams on Sat, Feb 9, 13 at 12:04

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