Discussion in 'Pesticide & Herbicide Application' started by superintendent, Jul 26, 2011.

  1. superintendent

    superintendent LawnSite Senior Member
    Messages: 394

    Are some of yall having problem with crabgrass this yr?
  2. Smallaxe

    Smallaxe LawnSite Fanatic
    Messages: 10,082

    Not really... just along the driveways and such... we have shade in most lawns, mow high and irrigate regularily, but never put down pre-m...
  3. mikesturf

    mikesturf LawnSite Senior Member
    Messages: 797

    I'm seeing it on untreated lawns a lot. I have very little breakthrew. A few tiny spots near sidewalk/street.
  4. RigglePLC

    RigglePLC LawnSite Fanatic
    Messages: 13,673

    In past years I have seen crabgrass on treated lawns after they were power-edged. Edging of course breaks the crabgrass barriar.

    What can you do?
  5. GreenI.A.

    GreenI.A. LawnSite Silver Member
    Messages: 2,131

    I do two pre-emergents and have seen very little brake through this season. On non irrigated lawns I have seen some brake-though along driveways and walk ways as expected. But a mix of Drive and Pre-M knock it out pretty quickly
  6. Greenfoot

    Greenfoot LawnSite Member
    Messages: 10

    Only hairy/large crabgrass. Apparently dimension doesn't control (i.e. not on lable). Put down two apps. It was 3" tall when smooth crabgrass was only in its first tiller stage. Didn't believe the extension at first but Drive is knocking it down. Anyone else have this problem?

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