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Merit app. timing in southern Michigan??

Discussion in 'Pesticide & Herbicide Application' started by CRUZMISL, May 13, 2008.


    CRUZMISL LawnSite Member
    from zone 6
    Posts: 186

    It's been unseasonably cool in southeastern Michigan and I was curious if others have started spreading Merit granular for grub control. Seems a bit early but since it has such a long half life I figured spreading in the next few weeks would be ideal. Thioughts?

  2. Tscape

    Tscape LawnSite Bronze Member
    Posts: 1,373

    I'm waiting until July 1 as I always do. Degree days have a way of evening out by then.
  3. RigglePLC

    RigglePLC LawnSite Fanatic
    Posts: 12,207

    I wait until Round 3. About mid June at the earliest. If you put it on too soon--some of the power will dissipate by the time the eggs hatch. Mid July is probably ideal. I think the Entomology professors at Michigan State University would agree--wait till July 1st.
  4. tlg

    tlg LawnSite Senior Member
    Posts: 645

    Toooooo Early! We would start about the end of June. Any sooner and you may have break through.
  5. Hissing Cobra

    Hissing Cobra LawnSite Senior Member
    Posts: 700

    I agree that it's too early. It's recommended to apply between June 1st and August 15th but mid July is when I like to apply it.

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