Dollarweed


Solution

Dollarweed: Southern lawns' main problem.

Dollarweed, or Pennywort, looks like a bunch of little green coins. The leaves have scalloped edges and a stem that goes right to the center. An invasive species, Dollarweed loves the damp areas in your yard. It crowds out grass and other desirable plants. Treatment varies, depending on where you live and what the weed is invading. Here are some tips to help you control it.


Prevention and Maintenance

In St. Augustine Lawns

Hold off on watering for two weeks. St. Augustine can handle a dry spell, but dollarweed can't. It becomes weak, and susceptible to treatments. Then you can apply a product such as Ortho® Weed-B-Gon Weed Killer for St. Augustine Lawns, or Scotts® Bonus S Weed and Feed. If your soil is sandy, water your lawn for about 10 minutes after applying Bonus S. The following week, cut back to watering for only 5 minutes per section. Watering for more than 15 minutes can wash Bonus S right through to to soil, making it ineffective. Also, avoid mowing for 2 days before and after application.
Between treatments with Bonus S, you can spot-treat small patches of dollarweed with Ortho® Weed-B-Gon® Spot Weed Killer for St. Augustine Lawns.

In Other Southern Lawns

If your lawn has Bahia, Bermuda, Centipede, Fescue, or Zoysia, treat it with Ortho® Weed-B-Gon MAX® Weed Killer for Southern Lawns.

Dollarweed Defined

Dollarweed was introduced to the mid–Atlantic states from Asia and has gradually migrated throughout the United States. It prefers damp, shady areas. Dollarweed is a perennial weed that has bright green, rounded leaves with wavy margins. It forms dense mats that crowd out desirable plants.

 




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