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Will Freezing Temps Kill New Lawn

Posted by mickbo 6A (My Page) on
Fri, Oct 5, 12 at 11:45

So I reseeded my Kansas lawn a few weeks ago with tall fescue and the new grass is coming in nicely. I've only mowed it once thus far and have noticed that tomorrow night it's suppose to get down to a low of 29 degrees. But, this will only happen for one night. After that, the lows will go back up into the upper 30's and low 40's. Will this one night of freezing temps kill off my new lawn?


Follow-Up Postings:

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RE: Will Freezing Temps Kill New Lawn

In all liklihood your new tall fescue will be just fine. Wouldn't lose any sleep :-)


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RE: Will Freezing Temps Kill New Lawn

You want to get decent root growth before the grass goes dormant. It usually takes alot more than a few hours of freezing temps to get fescue dormant.


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RE: Will Freezing Temps Kill New Lawn

Survival during freezing temps is one reason people plant fescue.


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RE: Will Freezing Temps Kill New Lawn

Yes Dchall, I understand that but I was simply referring to the new baby grass coming up. Will freezing temps affect them since it has only been mowed once? I have heard that it takes 3 mowings to harden the new grass. Anyways, thankfully the weathermen were wrong last night. It didn't go below freezing.


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RE: Will Freezing Temps Kill New Lawn

I've read that it takes about 6-8 weeks after germination before fescue can handle Dormancy. A single fost wont trigger that, it takes consistent temps below 50 for that to happen. The University of Maryland published a doc stating tall fescue should not be planted after 15-Oct. So, I guess theres hope. It all depends on how quickly it cools off for winter.

I'm in a similar situation, I'm just crossing my fingers that it makes it. I only used a 7 pound bag of seed for the small area I seeded so, I'm not out much if I have to reseed it in the spring.

Here is a link that might be useful: University of Maryland Document


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RE: Will Freezing Temps Kill New Lawn

We had our first freeze and my new lawn did just fine,I've mowed it once all ready, so I think yours should be just fine

Bear


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