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    Lawn Care - Do I Apply Treatments Sooner?

    I use a multiple bag treatment system for my lawn. In the past I have waited until early April to apply the first treatment...should I do so earlier this year due to the warm temperatures? Any recommendations as to when I should start this year? Am I too late already?



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    Re: Lawn Care - Do I Apply Treatments Sooner?


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    Re: Lawn Care - Do I Apply Treatments Sooner?

    I keep hearing ads and commercials about now is the time to put down the crabgrass preventer. Do not apply that stuff until early to mid may. Even thought crabgrass can germinate when soil temps get to 50-52, they don't really get going until soil temps get to 75-80 which is usually mid June if not July. With crabgrass preventer having a residual of 4-6 weeks, put it down now and you are wasting your money. Soil temps are warming up fast now. Here is a link that updates daily:

    http://mesonet.agron.iastate.edu/data/soilt_day1.png

    Says yesterday soil temps were 53 which is very warm for this time of year. I would thinks chances are better than not that we will cool down at some point. If it stays like this than maybe you apply it mid April. Depends on what temps do.

    My 2 cts anyway.



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    Re: Lawn Care - Do I Apply Treatments Sooner?

    Quote Originally Posted by Cyclonesrule91 View Post
    I keep hearing ads and commercials about now is the time to put down the crabgrass preventer. Do not apply that stuff until early to mid may. Even thought crabgrass can germinate when soil temps get to 50-52, they don't really get going until soil temps get to 75-80 which is usually mid June if not July. With crabgrass preventer having a residual of 4-6 weeks, put it down now and you are wasting your money. Soil temps are warming up fast now. Here is a link that updates daily:

    http://mesonet.agron.iastate.edu/data/soilt_day1.png

    Says yesterday soil temps were 53 which is very warm for this time of year. I would thinks chances are better than not that we will cool down at some point. If it stays like this than maybe you apply it mid April. Depends on what temps do.

    My 2 cts anyway.
    Although if the crabgrass germinates the crabgrass preventers are useless since they typically use granular pendimethalin or trifluralin.



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    Re: Lawn Care - Do I Apply Treatments Sooner?

    Quote Originally Posted by WeedCyntist View Post
    Although if the crabgrass germinates the crabgrass preventers are useless since they typically use granular pendimethalin or trifluralin.
    I don't know about useless, I notice a significant reduction in pressure and much smaller root mass. I agree to wait on the crabgrass preventer until at least late April in Iowa.

    I am mowing tomorrow so I'm putting on some 10-10-10 immediately after to get it growing hard.



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    Re: Lawn Care - Do I Apply Treatments Sooner?

    Quote Originally Posted by cyfanatic View Post
    I use a multiple bag treatment system for my lawn. In the past I have waited until early April to apply the first treatment...should I do so earlier this year due to the warm temperatures? Any recommendations as to when I should start this year? Am I too late already?
    Answer your question. No you are not too early. Doubtful to have much N leaching now and P and K won't move. Though I crank up my P and K big time in the fall since they aren't water soluble. Go at it. Enjoy the weather.



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    Re: Lawn Care - Do I Apply Treatments Sooner?

    Quote Originally Posted by Let's Go State View Post
    I don't know about useless, I notice a significant reduction in pressure and much smaller root mass. I agree to wait on the crabgrass preventer until at least late April in Iowa.

    I am mowing tomorrow so I'm putting on some 10-10-10 immediately after to get it growing hard.
    I aerated late last fall and so I'm a little worried about the overseeding. Should a guy risk aerating again and seeding or just wait until fall to do it?



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    Re: Lawn Care - Do I Apply Treatments Sooner?

    Quote Originally Posted by Let's Go State View Post
    I don't know about useless, I notice a significant reduction in pressure and much smaller root mass. I agree to wait on the crabgrass preventer until at least late April in Iowa.

    I am mowing tomorrow so I'm putting on some 10-10-10 immediately after to get it growing hard.

    You are correct, they wouldn't be useless. They would still prevent any other crabrass from becoming a problem. I am assuming that once it gets started you have an ugly problem that you would have to use post emergent products to control. I greatly exaggerated. Sorry.



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    Re: Lawn Care - Do I Apply Treatments Sooner?

    Need to wait for the forsythe to bloom to put down your crab preventer



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    Re: Lawn Care - Do I Apply Treatments Sooner?

    I was told the other day to not consider it until early April.



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    Re: Lawn Care - Do I Apply Treatments Sooner?

    Quote Originally Posted by 19210 View Post
    I aerated late last fall and so I'm a little worried about the overseeding. Should a guy risk aerating again and seeding or just wait until fall to do it?
    Do not apply crabgrass preventer if you overseeded. Wait for a post app spray and probably just spot treatments. I should have prefaced this before.

    One aeration is probably fine for now.. If you are in clay soils I would aerate heavily in the fall or again in mid summer and late fall (I had to do this in kc).



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    Re: Lawn Care - Do I Apply Treatments Sooner?

    Quote Originally Posted by WeedCyntist View Post
    You are correct, they wouldn't be useless. They would still prevent any other crabrass from becoming a problem. I am assuming that once it gets started you have an ugly problem that you would have to use post emergent products to control. I greatly exaggerated. Sorry.
    Once it is growing, all the preventer does is reduce the root mass, but crabgrass is evil and can grow with crappy roots.

    I hate the post sprays as some are really safe on lawns and others will slow your grass down if you overapply... And I tend to overapply.... So I am liberal with preventer if I didn't overseed.



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    Re: Lawn Care - Do I Apply Treatments Sooner?

    Quote Originally Posted by ajk4st8 View Post
    I was told the other day to not consider it until early April.
    Probably fine if you don't get a lot of rain this spring.



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    Re: Lawn Care - Do I Apply Treatments Sooner?

    Quote Originally Posted by cyfanatic View Post
    I use a multiple bag treatment system for my lawn. In the past I have waited until early April to apply the first treatment...should I do so earlier this year due to the warm temperatures? Any recommendations as to when I should start this year? Am I too late already?
    You have me curious about your multiple bag system. You willing to share details?



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    Re: Lawn Care - Do I Apply Treatments Sooner?

    Quote Originally Posted by Let's Go State View Post
    You have me curious about your multiple bag system. You willing to share details?
    Nothing special as I do not seem to know much about lawn care as many on this site do! One of the many reasons I love this site! I use the Early May program...



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