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TigerEye2
LSU Fan
Prairieville
Member since Aug 2011
302 posts

re: When are you applying your pre emergent?
Best pre-emergent to help control spotted spurge. Struggled with this most of the year and now really want to get a jump to minimize in spring. Suggestions?


CrawDude
LSU Fan
Baton Rouge
Member since Apr 2019
2462 posts

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

Best pre-emergent to help control spotted spurge. Struggled with this most of the year and now really want to get a jump to minimize in spring. Suggestions?

Spotted spurge seems to have been more problematic for me as well this year than in past years. According to this LSU AgCenter publication all the pre-emergents discussed on this board are recommended. LINK. I really don’t know if any of these pre-emergents have better efficacy on spurge over any of the others. Maybe ronk or someone else knows.

Maybe the key is a second application of pre-emergent in mid-April/May after the February pre-emergent application. These comments are from a Univ of CA extension publications

“ Spotted spurge germinates best when temperatures are 75° to 85°F, but germination can occur at temperatures as low as 60°F and as high as 100°F. When moisture is available, germination can occur from February through September in most areas of California. Light also is a requirement for maximum germination; seeds buried deeper than 1/2 inch won't germinate well. Plants that germinate early in spring in cool conditions can remain as small seedlings until temperatures are more desirable for growth.” LINK
This post was edited on 9/15 at 2:26 pm


TygerB8
LSU Fan
Youngsville
Member since Jul 2005
1183 posts

re: When are you applying your pre emergent?
For the last few years, I have applied a Dimension based pre-emergent around this time and again in Feb/March. I recall having issues with burweed in a few large areas last year. I killed it off with Weed Free Zone, but worried it will come back. I don't think Dimension targets burweed, but I could have just mis-applied in those areas.

Instead of Dimension, is there another pre-emergent (e.g., Prodiamine, Simazine) that I should use now or in Feb. (or both applications)?

Thanks!


ronk
Member since Jan 2015
2294 posts

re: When are you applying your pre emergent?
The best pre em for lawn burrweed is any one that has isoxaben in it. A commonly used brand is Gallery.


OysterPoBoy
LSU Fan
City of St. George
Member since Jul 2013
20986 posts

re: When are you applying your pre emergent?
Can I get a quick overview of the schedule?

Preemergent in a couple of weeks. Then again in a few months.

Spot treat weeds through the winter.

Fertilizer in spring.

Is that the basics?



meeple
USA Fan
Member since May 2011
6930 posts
 Online 

re: When are you applying your pre emergent?
(no message)
This post was edited on 9/15 at 10:52 pm


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ronk
Member since Jan 2015
2294 posts

re: When are you applying your pre emergent?
Shit, this changes depending on who you ask and we are all correct. We all have slightly different preferences. Assuming a St Aug/centipede yard I’d do simazine in two weeks. Simazine again the first week of November. 0/0/62 the first week of December. Tripower on winter broadleafs. Atrazine on winter grassy weeds. Prodiamine early spring.


meeple
USA Fan
Member since May 2011
6930 posts
 Online 

re: When are you applying your pre emergent?
Oops, I didn’t realize you had a convo going


ronk
Member since Jan 2015
2294 posts

re: When are you applying your pre emergent?
Don’t delete what you said. We all learn from what everyone posts


Bryant91092
Alabama Fan
Member since Dec 2009
21733 posts

re: When are you applying your pre emergent?
Any experience with Hi Yield Turf & Ornamental Weed & Grass Stopper Containing Dimension? My local feed and seed store has it so I thought I’d look into it. My big issues were poa annua in the winter and then crabgrass, oxalis, and spurge in the summer.


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CrawDude
LSU Fan
Baton Rouge
Member since Apr 2019
2462 posts

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

Any experience with Hi Yield Turf & Ornamental Weed & Grass Stopper Containing Dimension? My local feed and seed store has it so I thought I’d look into it. My big issues were poa annua in the winter and then crabgrass, oxalis, and spurge in the summer.


Yes - I used this product for 3 years before switching to LESCO products, but only because of price. Does an excellent job on Poa annua and crabgrass if you time the application correctly. For all practical purposes it nearly eliminated both in my lawn after 2 years of application.

Not oxalis as it is a perennial weed - no pre-emergent will control it.

I had more spurge this year than I recall than in years past in the yard in areas where I applied both Dimension and Prodiamine, and both are recommended pre-emergents for spurge. I retrospect i should have made another pre-emergent application in mid-April following the mid-Feb application, more so for Doveweed than Spurge, but the Specticle pre-emergent needed for Doveweed would have controlled the Spurge. I won’t make that mistake next year.


Bryant91092
Alabama Fan
Member since Dec 2009
21733 posts

re: When are you applying your pre emergent?
Thanks


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LSUDbrous90
LSU Fan
Lafayette
Member since Dec 2011
1150 posts

re: When are you applying your pre emergent?
I keep seeing Simazine mentioned. What is the difference between that and Prodiamine/Dimension?


CenlaLowell
UMass Fan
Alexandria, la
Member since Apr 2016
596 posts

re: When are you applying your pre emergent?
Ethofusmate+atrazine will help you


ELLSSUU
LSU Fan
Member since Jan 2005
4740 posts

re: When are you applying your pre emergent?
Question: during fall/winter I rake and mulch the yard several times. Would I be wasting my time with a Pre emergent because of disturbing the soil/grass it lays on?


Neauxla
New Orleans Saints Fan
New Orleans
Member since Feb 2008
33003 posts

re: When are you applying your pre emergent?
What's the best granual pre-emergent? (St. Aug)
This post was edited on 9/17 at 10:28 am


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ronk
Member since Jan 2015
2294 posts

re: When are you applying your pre emergent?
A lot of it is preference/availability/price/how it’s applied. I like simazines control of poa. Dimension is good for crabgrass.


HowboutthemTigers
LSU Fan
Da Rouge
Member since Dec 2007
2514 posts

re: When are you applying your pre emergent?
I need 1 simple question answered please:

I have carpet grass, clover and what looks to be creeping charlie growing in my centipede grass. Especially in the backyard...

Do I:

- Wait until early October, when soil temps are giht, to apply my granular weed/feed pre-emergent Fertilizer?
I prematurely bought "Southern weed & Feed - 18-0-18"

or

-Spray "Spectracide: WEed Stop for Lawns"

or

-Spray Quali-pro Msm Turf Herbicide 2 Oz.




CrawDude
LSU Fan
Baton Rouge
Member since Apr 2019
2462 posts

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

Spray Quali-pro Msm Turf Herbicide 2 Oz

This will control clover and creeping Charlie, but not carpetgrass. Celsius will control all three and many others.

quote:

Wait until early October, when soil temps are giht, to apply my granular weed/feed pre-emergent Fertilizer?
I prematurely bought "Southern weed & Feed - 18-0-18"

Save this until next spring and use it then.


HowboutthemTigers
LSU Fan
Da Rouge
Member since Dec 2007
2514 posts

re: When are you applying your pre emergent?
Thanks Crawdude

quote:

Celsius will control all three and many others.



This stuff?



quote:

Save this until next spring and use it then.


What granular fetilizer for centipede do you suggest i put down this fall?


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