Anyone know what grass / weed this is?

[precator]

It is driving me nuts. Its all over my lawn.

[Florida Gardener]

I want to say crabgrass, but I think that's wrong...
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[precator]

ya not sure what it is. Its driving me nuts.

[precator]

anyone have any idea?

[cgaengineer]

Looks like crabgrass to me...
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[precator]

Should I kill this before I overseed this fall? Or is it fine?

[cgaengineer]

Originally Posted by precator

Should I kill this before I overseed this fall? Or is it fine?

Leave it, it will die in about 2 months.
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[Florida Gardener]

Originally Posted by cgaengineer

Leave it, it will die in about 2 months.
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That is the one thing I'm envious of the northern guys...CG dying in winter...it is pretty much a perrenial here.
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[cgaengineer]

Originally Posted by diamondlandscaping

That is the one thing I'm envious of the northern guys...CG dying in winter...it is pretty much a perrenial here.
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If its green year round around here than its called "desirable grass".
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[RAlmaroad]

Make sure you keep it mowed and clippings picked up. IF it is crabgrass, it is an annual from seeds. Keeping the seeds from developing and falling back to the soil will help next year. In the spring applying a good pre-em and then every 6 weeks will take care of much of the crabgrass. Most guys sorta forget to keep the pre-em down for the whole season and about this time of year start seeing break through. Gallery is my choice of pre-em with a little dimension. After the crab is seen, then it way too late. Your best choice is the old Drive, but the newer combos show to be quite effective. There's a good article on the combos in the current Turf magazine.