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Unknown Rapid Spreading Lawn Weed #870323

Asked May 27, 2024, 6:38 PM EDT

Please identify. This thing is taking over my lawn. Anywhere it grows, it spreads and wipes out everything else. I am on the Western Slope, 5200ft.

Delta County Colorado

Expert Response

Thanks for contacting Extension. It is a little hard to tell and ID from the photo. Are you able to bring in a sample of the whole plant, including roots, to the Delta office? The office is open 7:30-11:30 and 12:30-4:30 and is located at 525 Dodge Street in Delta. Master Gardeners are in Wednesdays at 9am if you are able to bring in a sample before then.

Many weeds take advantage of lawns that aren't at their optimal. Here is a link to our factsheet that has some general lawn care recommendations to help keep weeds out: Lawn Care (Fact sheet 7.202).

If you aren't able to drop a sample off, please upload some photos that show the whole plant, including the roots, and some closer up images of the leaves. 

An Ask Extension Expert Replied May 28, 2024, 11:07 AM EDT

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