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Help! Can't figure out what plant/weed this is?

11 years ago

Can't seem to figure out what weed this is, can anyone help?

I've looked all over and can't identify it as one of the more common weeds. Seems unresponsive to Trimec (2-4D) and just trying to figure out how to remove it from my client's yard.

It grows in a vine/spreading fashion, appearing after a long hot dry period and has only appeared in a small corner of the yard. I haven't seen any flowers or other identifying characteristics, but have a few more pictures if needed.

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Comments (8)

NCLawnNut
Original Author
11 years ago
Another photo growing in the tall fescue lawn
nearandwest
11 years ago
Almost looks like spurge.
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Ah, thanks for your help Jeanne. I think that I may have found something else it could be. Thanks to your suggestions, I did a little more searching and found this. I just haven't found photos of any of these that have multiple stalks from one base at the ground, but definitely the same leaves. Here is a link that might be useful:
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Looks like ragweed, though it doesn't usually get that big.
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You didn't mention what kind of tree these grow around, but they look very much like root-sprouts from the tree itself. A number of trees will do this. Compare the leaves of the 'weeds' to the leaves of the tree. They may not look exactly the same, but are they very similar in the details? If so, there isn't a lot you can do to 'fix' this. But the mulch circle you have around the tree is very small. You could dig down some in this small area, put down heavy plastic, and then mulch this small circle more heavily. Won't interfere with your tree's growth because the area is so small. The roots involved in uptake will be beyond this circle. The other ones, in the area that is being mowed anyways, just ignore them. Mow them down as you mow the grass. Linda
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Where do you live?
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NCLawnNut
Original Author
11 years ago
There's some spurge in there too, but it responds well to 2-4DS and this has a much more developed root system than spurge would have.
jdo053103
11 years ago
triclopyr works on spurge for me
tiemco
11 years ago
Could also be chamberbitter aka mimosa weed.
NCLawnNut
Original Author
11 years ago
Thank you! That's definitely it!

http://www.walterreeves.com/lawn-care/chamberbitter-mimosa-weed/

I've sprayed it twice with 2-4D and saw minimal wilting, but apparently I'll need to get on my hands and knees and pull it all. Thanks so much!
dchall_san_antonio
11 years ago
I've never heard of mimosa weed but that definitely looks like mimosa leaves on mimosa stems.
NCLawnNut
Original Author
11 years ago
I had never heard of it either, but that's definitely what it is. It did show signs of yellowing after two sprayings, but due to the heat I've been pulling the remainder rather than damaging the fescue turf with excessive herbicide treatments.

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