MSMA Mix Rates

MSMA is a great solution to kill crabgrass, dallisgrass, sandburrs and many other noxious weeds.  If you plan to use MSMA to eliminate your crabgrass, be sure to thoroughly read the label and follow all precautions and directions.

While you should always defer to the directions printed on the MSMA label, the mix rate scale below can be used as a general rule of thumb.

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MSMA Mix Rates

About Fuller Sasser

Stone Brothers and Byrd is a family-owned business that has been serving the lawn and gardening needs of folks since 1914.
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25 Responses to MSMA Mix Rates

  1. Dave Garwood says:

    how soon can you areate and oversees after last MSMA application?

  2. jesse says:

    What time of the year can you apply the msma to be effective?

  3. Raymond Dominguez says:

    can it be used before planning ?

  4. Arthur Nash says:

    Can this product be used on Bermuda Tiff lawn. When MSMA was available in Texas, it worked very well for me.

    Please advise.

    Thank you

  5. Bryan says:

    I have a couple of questions

    1. Should MSMA be applied before or after cutting grass?
    2. I also bought some 13-13-13 fertilizer. Does it matter when to spray MSMA and apply the fertilizer?
    3. How does rain affect MSMA? Should I apply when it is NOT going to rain for a few days ?

    • Byrdie says:

      1) apply after making a cut
      2) application of the fertilizer should not matter
      3) MSMA is rain-fast when dry. Try not to spray when a gully-washer is coming, but otherwise, you should be fine.

  6. G. Keller says:

    How long will MSMA keep in original jug since I have a small lawn and won’t use much at a time ?

  7. Randy says:

    How soon after the 1st application can you apply the 2nd?

  8. Sherrie Allen says:

    Can you spray MSMA when temps are above 70, but will rise to above 90 during the day?

  9. Doug says:

    Thank you for the great price and quick shipping of my MSMA. I am very anxious to see how it helps with the mess of sandburrs we have. I have a couple of questions.

    1. Does MSMA have to be watered in if there is no rain expected for a while or is it absorbed through the leaves like roundup?

    2. If not watered in how long will it take for animals to be allowed back onto the treated area?

    • Byrdie says:

      MSMA is not labelled for grazing. Please check the label to make sure you are using it properly. If you have any questions, please feel to call us at the store.

  10. Shane says:

    I have a lot of nut grass in new Bermuda sod that was laid about 4 weeks ago getting worse everyday. Is it safe to treat with MSMA at this time?

    • Byrdie says:

      Shane. You should let the Bermuda sod get established before you attempt any weed control. That would mean cutting it 3-4 times. After that, try Sedgehammer. This is a great product for nutgrass.

  11. I have a mixture of Burmeda and St. Augustine grass in my yard. Is MSMA safe to use, or will it harm my St. Augustine?

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