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Old 04-03-2006, 09:54 AM
Bob E Bob E is offline
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Join Date: Apr 2004
Location: Louisville, KY
Posts: 60
Seeding after pre-emergent

I now have a company that comes by and puts down pre-emgergent twice a year and fertilizes throught the year. I think the total is 5 or 6 times.

Thay have already been here once this year.

My question is that I have a couple of places I need to spread seed in. If I break up the surface soil a little bit and sow seed will the pre-emegernt stop the seed from germinating? Or does the pre-emergent create a blanket on the soil surface and by tilling the area I will sow will that allow the seed to germinate?

I will be spreading a blend of fescues mixed with some bluegrass.
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Old 04-03-2006, 08:57 PM
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Dixie Rob Dixie Rob is offline
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Join Date: Jan 2006
Location: Portland, Tennessee
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I'm no expert, but I've always been told you cannot get seed to germinate after applying pre-emergent for 90 days.
Rob - Portland, Tennessee
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Old 04-03-2006, 09:02 PM
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KCLandscape KCLandscape is offline
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Join Date: Dec 2001
Location: Kansas City - Zone 6
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The fescues will have a better chance because they are a bigger seed.
Do a all fescue mix and be sure to scruff up the surface to break the barrier.
Still have to redo/overseed it in the fall I bet
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Old 04-05-2006, 12:24 AM
hvychev77 hvychev77 is offline
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Location: North Carolina
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i'd wait at least 4 mowing before even attempting it!
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Old 04-08-2006, 07:55 AM
ThreeWide ThreeWide is offline
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Join Date: May 2003
Location: Georgia Z7
Posts: 1,116
Depending on the amount of preemergent applied, seed germination will not occur for at least 90 days afterward, maybe longer.

However, if you till the soil to about 4 inches depth, you will basically eliminate the preemergent barrier. Otherwise, wait until Fall.
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Old 04-09-2006, 11:37 AM
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muddstopper muddstopper is offline
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Join Date: Dec 2002
Location: transition zone
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Break up the soil where you plan to reseed and then water heavily for several days before applying the seed. Applying a humate product will help some since it tends to attach itself to the chemicals holding them and reducing their effectiveness.
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