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Stellytiger
LSU Fan
Arnaudville
Member since Aug 2015
451 posts

When are you applying your pre emergent?
Lafayette area. I have a Bermuda lawn. When are you applying Pre emergent? What herbicide are you using? Prodiamine? Dimension?
This post was edited on 9/14 at 10:28 am


WavinWilly
Chicago Cubs Fan
Wavin Away in Sharlo
Member since Oct 2010
8477 posts

re: When are you applying your pre emergent?
Barricade (prodiamine) when the soil temperature drops into the low 70's for a few days in a row. Houston area with Bermuda.

Used Barricade for the first time this spring and was very pleased. Only had one problem section with some spotted spurge that I knocked out quickly.



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Art Vandelay
LSU Fan
LOUISIANA
Member since Sep 2005
8715 posts

re: When are you applying your pre emergent?
0-0-7 w barricade. October


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CrawKing
Member since Mar 2018
103 posts

re: When are you applying your pre emergent?
What chemical/product is recommended for St. Aug?


jimbeam
USA Fan
University of LSU
Member since Oct 2011
64488 posts

re: When are you applying your pre emergent?
I use prodiamine
This post was edited on 9/14 at 10:41 am


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CrawDude
LSU Fan
Baton Rouge
Member since Apr 2019
2458 posts

re: When are you applying your pre emergent?
This week or next will be a good time to put it down in your area. I’ll be using prodiamine (spray) for the first time - been using Dimension granular heretofore (no issues), thought I’d save a few $$$. I’ll follow it up with a Simazine pre-emergent application in early/mid November.

For the spring application I’ll likely use Dimension granular in my front yard (prodiamine in back and side yards) where a few years ago I had a crabgrass problem but for all practical purposes eliminated it with Dimension. Not that prodiamine doesn’t control crabgrass, it does, but Dimension does have some post-emergent control on young crabgrass, if you miss a window of application, which prodiamine does not.
This post was edited on 9/14 at 12:03 pm


Stellytiger
LSU Fan
Arnaudville
Member since Aug 2015
451 posts

re: When are you applying your pre emergent?
CrawDude, do you have Bermuda?


Azazello
Tennessee Fan
Dallas, TX
Member since Sep 2011
2967 posts

re: When are you applying your pre emergent?
Put down prodiamine about a week ago. Neil Sperry says first week in Sept is the best time for DFW area.
This post was edited on 9/14 at 10:57 am


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Stellytiger
LSU Fan
Arnaudville
Member since Aug 2015
451 posts

re: When are you applying your pre emergent?
quote:

What chemical/product is recommended for St. Aug?


I’m pretty sure Prodiamine. Gronk or CrawDude can answer for sure


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meeple
USA Fan
Member since May 2011
6929 posts

re: When are you applying your pre emergent?
Prodiamine... When the 5-day avg soil temp hits 70 deg, so probably early-mid Oct (for my area)

Soil Temp Map
This post was edited on 9/14 at 11:01 am


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ronk
Member since Jan 2015
2287 posts

re: When are you applying your pre emergent?
For St Aug and centipede in the fall I like simazine. For bermuda I like Specticle. Follow the link that meeple posted with soil temperatures.



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CrawDude
LSU Fan
Baton Rouge
Member since Apr 2019
2458 posts

re: When are you applying your pre emergent?
quote:

CrawDude, do you have Bermuda?

No, a centipede front and side yards, with a St Augustine backyard. Although I do a a significant amount of common bermuda (50%) in the backyard (that’s a long story for another time) but I’m managing the backyard (cutting grass high) for the St Augustine to crowd out the bermuda since it can’t can’t eliminate the bermuda chemically - I’m in year 2 and the St Augustine Is doing a good job of displacing the Bermudagrass, better than I anticipated, but I’m sure it will take several years +. So I guess I can say I do have Bermudagrass but I’m trying to eliminate it, I won’t have total elimination, but that’s not my goal.
This post was edited on 9/14 at 1:46 pm


TheBoo
Nicholls St. Fan
South to Louisiana
Member since Aug 2012
2788 posts

re: When are you applying your pre emergent?
October. I put out Prodiamine last fall and Dimension in the spring. Dimension worked MUCH better than prodiamine for me. I'll be sticking with that based on my experiences and the fact that Ace hardware has it pretty cheap.


Stellytiger
LSU Fan
Arnaudville
Member since Aug 2015
451 posts

re: When are you applying your pre emergent?
Granular?


CrawDude
LSU Fan
Baton Rouge
Member since Apr 2019
2458 posts

re: When are you applying your pre emergent?
quote:

What chemical/product is recommended for St. Aug?

All the pre-emergents recommended on this board - prodiamine (Barricade), dithiopyr (Dimension), Specticle, Simazine and others - are suitable for use on St Augustine, Centipede, Bermudagrass and Zoysia, all have some + and -.

Prodiamine in spray form is the cheapest, but very effective, of your options. It’s available as granular also. For average residential lawn, Dimension in granular form is for all practical purposes your only option - spray version is available but only for larger areas and somewhat expensive. Specticle is expensive, as spray or granular, and maybe the most effective of them all as can control some weeds, Doveweed for example, that the other pre-emergent herbicides are largely ineffective against.

You have any particular winter weed(s) that is more problematic than others that you need/want to control?
This post was edited on 9/14 at 1:48 pm


TygerB8
LSU Fan
Youngsville
Member since Jul 2005
1183 posts

re: When are you applying your pre emergent?
I'm in Lafayette area as well and was using Sunniland Preemergent which had same active ingredient as Dimension. It worked great on my yard. It appears Lowe's no longer carries this so I am looking around as well for another granular option. I'm monitoring soil temps based on the link in one of the above posts.


CrawDude
LSU Fan
Baton Rouge
Member since Apr 2019
2458 posts

re: When are you applying your pre emergent?
quote:

I'm in Lafayette area as well and was using Sunniland Preemergent which had same active ingredient as Dimension. It worked great on my yard. It appears Lowe's no longer carries this so I am looking around as well for another granular option. I'm monitoring soil temps based on the link in one of the above posts.

You’ll probably be able to find this at retail plant nurseries, maybe feed and seed and hardware stores in the Lafayette area LINK. Don’t know how it will compare in cost to the Sunniland Dimension but I used it for a couple years with great success before I discovered the LESCO Dimension 0-0-7 at Site One Landscape Supply in Baton Rouge at a much cheaper price.


OysterPoBoy
LSU Fan
City of St. George
Member since Jul 2013
20971 posts

re: When are you applying your pre emergent?
Do these preemergents control clover or is that a whole other application? My yard was lousy with it last winter.


DukeSilver
Houston Astros Fan
Member since Jan 2014
1691 posts

re: When are you applying your pre emergent?
Im in Houston and have St Aug, had a little difficulty this year more so than normal with the little clover weed.

Curious what I should do to get rid of that as well as prevent it for next year?


CrawKing
Member since Mar 2018
103 posts

re: When are you applying your pre emergent?
Poa Annua is my primary winter problem.


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