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Thread: Need Lawn Help

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  1. #1
    Join Date
    Nov 2007
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    16

    Default Need Lawn Help

    I attempted to put in a new lawn in late May/early June. I got a good amount of germination from the new grass seed, but I also got a ton of crab grass. I want to be able to reseed in September but I do not know what my next step should be. Should I leave the crab grass alone and hope the new grass doesnt get choked out or should I attemp to treat the entire area with a chemical and hope only the crabgrass dies.

    Any suggestions would be great.

  2. #2
    Join Date
    Dec 2007
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    Tennessee
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    Default Re: Need Lawn Help

    Just try a crab grass preventer in the spring.

  3. #3
    Join Date
    Dec 2010
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    Houston Texas
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    Default Re: Need Lawn Help

    Optimally you can spray for the crabgrass only then inject new seed directly into the soil.

    OR

    You can overseed with grass seed in the fall and wait until the cold weather kills the crabgrass The use a crab grass pre-emergent in the spring

  4. #4
    Join Date
    Aug 2007
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    Portland, Oregon, formerly of Chicago
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    Default Re: Need Lawn Help

    Houston,

    Doesn't pre-emergent crabgrass killer also prevent the germination of all seeds, much like Preen?

  5. #5
    Join Date
    Dec 2010
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    Houston Texas
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    Default Re: Need Lawn Help

    yes, depending on the type used. Some work on only monocots, some work on only dicots.

  6. #6
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    Default Re: Need Lawn Help

    Quote Originally Posted by ordjen View Post
    Houston,

    Doesn't pre-emergent crabgrass killer also prevent the germination of all seeds, much like Preen?
    That's why it works so well. The OP could not have used a pre-emergent when he planted his lawn last spring because then the lawn wouldn't have germinated. Most lawn grasses are perennial so they won't have any problems coming back in the spring with a pre-emergent, but the crab grass, it's an annual so the pre-emergent will stop it.

  7. #7
    Join Date
    Aug 2007
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    Portland, Oregon, formerly of Chicago
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    Default Re: Need Lawn Help

    So, I should over seed in the fall early enough so that it germinates before spring?

  8. #8
    Join Date
    Aug 2012
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    1

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