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Old 11-20-2003, 08:42 PM
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FlatLander FlatLander is offline
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pre emergent

I overseeded my lawn late ocrober. gras is starting to come up.
can i put down a pre emergent or should i wait until a few weeks into spring?
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Old 11-20-2003, 08:50 PM
J Hisch J Hisch is offline
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FlatLander, Purdue has done studies to show that a winter application of pre-emergent does have effets that produce results. I woould read MSDS to see if if warns against applying to newly seeded lawns.
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Old 11-20-2003, 09:52 PM
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DUSTYCEDAR DUSTYCEDAR is offline
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i would wait the pre-m will keep any seed that has not come up from sprouting wait a few more weeks
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Old 11-24-2003, 04:32 PM
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heritage heritage is offline
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FlatLander,
If chickweed has been a problem in the past then it would be a good idea to put down a Pre now. If not then wait until late april 2004

Pete D.
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Old 11-27-2003, 10:18 AM
Ocutter Ocutter is offline
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I would wait. Grass that has not germinated, will not with an app. Ive always waited until the 3-4th cut to think of applying anything with weed control.
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Old 11-27-2003, 12:51 PM
GroundKprs GroundKprs is offline
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Most all pre-ems are root inhibitors. To apply a root inhibitor to any new lawn will defeat the purpose of trying to grow new grass. I will not apply anything but siduron to a new seeding until it is at least 1-Ĺ years old.

Siduron is marketed under a few labels, often labeled as Tupersan; it can actually be applied to a spring seeding to control crabgrass, foxtail and other grassy weeds. Drawback is that it is up to 4X the cost of other pre-ems and must be reapplied after 30 days to maintain efficacy.
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