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Oxalis problem

Discussion in 'Pesticide & Herbicide Application' started by garyslawn, Mar 6, 2003.

  1. garyslawn

    garyslawn LawnSite Member
    from NE Ohio
    Posts: 151

    I live in NE Ohio I have a real nice lawn that I cannot beat the Oxalis. I use pre m, Momentum, and several other chemicals. It is not nearly as bad as when I got the lawn from Chemlawn but I still have spots show up. The PH is 6.5 Thanks for your help.
  2. kickin sum grass

    kickin sum grass LawnSite Senior Member
    Posts: 628

    I have been using millennium ultra and it works great on oxalis. If the weather is cool you may want to switch to and ester formula. I use cool power from riversdale. Both do great on oxalis. Even though momentum is suppose to be a copy of millennium ultra, I have heard from several people that it does not work as good. Just make sure you are applying when the weed is actively growing.
  3. turfsolutions

    turfsolutions LawnSite Senior Member
    Posts: 852

    I use Super Trimec primarily on broadleaf weeds. Oxalis is knocked down well by ST but the oxalis comes back often. I would also like to hear what will keep it from reemerging.
  4. Turfdude

    Turfdude LawnSite Bronze Member
    Posts: 1,900

    Remember that oxalis is a "summer annual". With this very cold winter, it may be knocked down pretty much via Mother Nature. WE have also had success in the past w/ momentum when we add a spreader sticker. Occasionally a second app 2 weeks later may be needed.


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