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  1. #1

    Join Date
    May 2011
    Posts
    107
    Location
    Michigan
    Mower
    1997 GH 721D w/72" deck & 48" snowthrower

    Question Any ideas what's causing this (it's killing my grass) ...and how to reverse it???

    Snow finally melts away... and within a few weeks this starts growing/happening to my lawn:

    DSC00572.jpg

    DSC00569.jpg

    DSC00578.jpg

    Never had (or even seen) anything like this before. Not sure what the holes are. Wife thinks it's insects; I'm wondering if they're caused by birds digging for insects/food. (I dropped a quarter on the ground in the last pic for hole size reference.) These dead patches are COVERED with these holes. We're not sure if the holes are causing the grass to die or if they're a side effect... or something else entirely that's unrelated.

    Anyone with experience... PLEASE HELP! At the rate these dead spots are spreading, if I don't work this problem soon I won't have any lawn left to mow by mid-Summer!

  2.  

  3. #2

    Join Date
    Aug 2011
    Posts
    856
    Location
    Kansas
    Mower
    Toro self propelled troybilt bronco

    Re: Any ideas what's causing this (it's killing my grass) ...and how to reverse it???

    Snow mold.

  4. #3

    Join Date
    May 2011
    Posts
    107
    Location
    Michigan
    Mower
    1997 GH 721D w/72" deck & 48" snowthrower

    Re: Any ideas what's causing this (it's killing my grass) ...and how to reverse it???

    Quote Originally Posted by possum View Post
    Snow mold.
    Thanks for the clue. Doing some investigating now online. Wonder why after decades it suddenly appeared? Hmmm... Thanks again!

  5. #4

    Join Date
    May 2014
    Posts
    2
    Location
    Ohio
    Mower
    John Deere

    Re: Any ideas what's causing this (it's killing my grass) ...and how to reverse it???

    1. How long was the turf covered with snow?

    2. Was the ground frozen before the snow?

    3. When was the last time you fertilized?


    First take is I agree, it appears to be Gray Snow Mold, not Pink Snow Mold meaning your soil was frozen prior to the snow cover and the snow cover was longer than a month. If I'm correct then I really suspect Gray Snow Mold. Get out the grass seed and good luck, rough up the surface with a garden rake, fertilize and seed then roll and water daily keeping the top inch moist until germination, then continue to keep it moist daily until your roots reach three inches or more. At that point you can reduce the irrigation but watch it closely. You don't want to lose it once you get it going.




    Quote Originally Posted by Jinzo Ningen View Post
    Snow finally melts away... and within a few weeks this starts growing/happening to my lawn:

    DSC00572.jpg

    DSC00569.jpg

    DSC00578.jpg

    Never had (or even seen) anything like this before. Not sure what the holes are. Wife thinks it's insects; I'm wondering if they're caused by birds digging for insects/food. (I dropped a quarter on the ground in the last pic for hole size reference.) These dead patches are COVERED with these holes. We're not sure if the holes are causing the grass to die or if they're a side effect... or something else entirely that's unrelated.

    Anyone with experience... PLEASE HELP! At the rate these dead spots are spreading, if I don't work this problem soon I won't have any lawn left to mow by mid-Summer!

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