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poa annua

Discussion in 'Pesticide & Herbicide Application' started by ProLawns, Mar 31, 2005.

  1. ProLawns

    ProLawns LawnSite Senior Member
    Messages: 476

    Can someone please tell me how to get rid of poa annua (annual bluegrass) in fescue lawns.
  2. Williams Services

    Williams Services LawnSite Senior Member
    Messages: 269

    Spot treat with glyphosate?
  3. ProLawns

    ProLawns LawnSite Senior Member
    Messages: 476

    It's growing throughout the lawn. Round-up will leave dead spots everywhere plus it's producing seeds so it will be back next season. A pre-emergent in the fall will block it but that't the same time I will need to overseed with fescue.
  4. EGL&L

    EGL&L LawnSite Member
    Messages: 127

    On the golf course we used a liquid product called Trimmit on our Bentgrass greens, to limit Poa. Also, Scotts makes a granular fertilizer for the same purpose, I think it's called TGR High K Fert.
    I'm not sure of the use of either product with Fescue, because I never had to worry about that.
    These products won't "kill" Poa, but will weaken it with repeated apps enough to allow the other grasses to fill in.
    Hope this helps.
  5. Rtom45

    Rtom45 LawnSite Senior Member
    Messages: 456

    Welcome to the board.
  6. John Gamba

    John Gamba LawnSite Fanatic
    from ct
    Messages: 10,812

    Has anybody removed the poa by core- aerating. Doesn't poa like hard ground??

  7. Grassmechanic

    Grassmechanic LawnSite Silver Member
    Messages: 2,697

    Prograss (ethofumesate) will kill poa.
  8. Markf

    Markf LawnSite Senior Member
    Messages: 406

    How does it react with other cool weather grasses (I have a mixture of fescue/blue/rye)? My own yard is starting to get hit with poa.
  9. ThreeWide

    ThreeWide LawnSite Bronze Member
    Messages: 1,116

    You can sure help prevent some of it by aerating regularly. Poa loves compacted soil.
  10. Williams Services

    Williams Services LawnSite Senior Member
    Messages: 269

    It likes a wet soil, too ... there are spots in our (sand) yard that used to be infested with PA, due to the wetness.

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