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Is it too early for pre-emergent on St. Aug.? …..

Posted on 10/9/23 at 8:00 pm
Posted by Commander Rabb
Member since Feb 2020
776 posts
Posted on 10/9/23 at 8:00 pm
Good rain coming Wednesday for watering in.
Posted by bayoubengals88
LA
Member since Sep 2007
18916 posts
Posted on 10/9/23 at 8:31 pm to
It’s closer to “too late” than too early.
There’s never a “too early” with pre em.

24 hr soil temp of 69.4 in BR.
By the end of next week our five day average will likely be below 70°

I’ve read here that some winter weeds, specifically Poa, germinate at 70.
This post was edited on 10/9/23 at 8:34 pm
Posted by Bayou
CenLA
Member since Feb 2005
36808 posts
Posted on 10/9/23 at 8:37 pm to
prime time right now with forecasted showers

I'm doing it tomorrow

Soil will warm as weather warms later this week LINK
This post was edited on 10/9/23 at 8:39 pm
Posted by WPBTiger
Parts Unknown
Member since Nov 2011
30999 posts
Posted on 10/9/23 at 10:35 pm to
quote:

I'm doing it tomorrow


This
Posted by bayoubengals88
LA
Member since Sep 2007
18916 posts
Posted on 10/10/23 at 9:05 am to
Posted by LSUDbrous90
Lafayette
Member since Dec 2011
1450 posts
Posted on 10/10/23 at 9:37 am to
I put mine down last wednesday before the rain Thursday. You need to put it down today before tomorrows rain.
Posted by Texas Tea 123
Member since Sep 2017
207 posts
Posted on 10/10/23 at 10:41 am to
What pre emergent do you all use for St Aug down here?
Posted by CrawDude
Baton Rouge
Member since Apr 2019
5266 posts
Posted on 10/10/23 at 1:25 pm to
quote:

What pre emergent do you all use for St Aug down here?

Prodiamine and Dimension (dithopyr) are the most common and widely used - both are effective. Specticle is an excellent pre-emergent herbicide but on the expensive side. Some also use Simazine, which also has some post-emergent activity on weeds.
Posted by LSUDbrous90
Lafayette
Member since Dec 2011
1450 posts
Posted on 10/10/23 at 1:26 pm to
Prodiamine
Posted by Texas Tea 123
Member since Sep 2017
207 posts
Posted on 10/10/23 at 1:36 pm to
Got it, thanks friends. Just ordered some Prodiamine.
Posted by meeple
Carcassonne
Member since May 2011
9358 posts
Posted on 10/10/23 at 9:24 pm to
I got it down today
This post was edited on 10/10/23 at 9:25 pm
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