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re: Is it time for pre emergent in South LA?
Posted on 2/25/20 at 5:51 pm to Bryant91092
Posted on 2/25/20 at 5:51 pm to Bryant91092
quote:
I've read in a lot of places not to put any herbicides on the lawn during the spring green up. With that being said, have I essentially missed my window to spray the yard with some Fertilome weed out until April/May? I'd hate to think I was doing something to help the yard and end up stunting it.
The scientific literature does say this, where are you located? Is your grass beginning to green up and you seeing some growth? I’m not seeing this yet in centipede, Bermudagrass, or St Augustine In Baton Rouge, though St Aug hasn’t gone completely dormant in Baton Rouge this winter. I doubt you are in the spring “green up” phase of grass growth. You should be fine spraying Weed-Out now.
2
Posted on 2/25/20 at 7:18 pm to CrawDude
With all the rain we’ve been having in BR, is it ok to put down pre-emergent still. My yard doesn’t have any free water but the ground is pretty saturated. It is supposed to be rain-free until Tuesday. Should I strike now or wait for it to dry more?
My yard is centipede and I have LESCO Dimension.
My yard is centipede and I have LESCO Dimension.
Posted on 2/25/20 at 7:45 pm to Bosshawg226
quote:
With all the rain we’ve been having in BR, is it ok to put down pre-emergent still. My yard doesn’t have any free water but the ground is pretty saturated. It is supposed to be rain-free until Tuesday. Should I strike now or wait for it to dry more?
My yard is centipede and I have LESCO Dimension.
Yes, I’d put it out as soon as you can, the saturated soil is not an issue for the herbicide, unless it hinders operation of your spreader in which case you can let it dry a bit. You’ll want about a 1/2 inch rain or sprinkler irrigation in the next week or so to activate the herbicide and place it contact with weed seeds. So as ridiculous as it might sound, in the absence of rain, if you have to water the lawn for a bit in the next week or so, after herbicide application, do so.
Posted on 2/25/20 at 7:51 pm to CrawDude
I’m in central Alabama. I haven’t seen any growth but since this is my first home and first attempt at trying to have a nice yard, I’m hesitant on just about everything 
Posted on 2/25/20 at 8:00 pm to CrawDude
quote:
CrawDude
I'm planning on putting out the standard cocktail this weekend for weeds already up. Should I just skip preemergent this year or is there something I can put down around the same time? St aug grass, northshore
Posted on 2/25/20 at 8:08 pm to Bryant91092
quote:
I’m in central Alabama. I haven’t seen any growth but since this is my first home and first attempt at trying to have a nice yard, I’m hesitant on just about everything
You’ll be fine, spray away.
Posted on 2/25/20 at 8:16 pm to Theboot32
quote:
I'm planning on putting out the standard cocktail this weekend for weeds already up. Should I just skip preemergent this year or is there something I can put down around the same time? St aug grass, northshore
Don’t skip the pre-emergent, it’s not too late to put it out. Some weed seeds have germinated b/c of the unusually warm winter but I assure you many weed seeds have not.
Posted on 2/25/20 at 8:26 pm to CrawDude
What do you recommend? Brand? When should I put it out in relation to atrazine/weed free zone/spreader sticker cocktail?
Also what do you recommend for fall preemergent?
Also what do you recommend for fall preemergent?
Posted on 2/25/20 at 10:33 pm to Theboot32
quote:
What do you recommend? Brand? When should I put it out in relation to atrazine/weed free zone/spreader sticker cocktail?
Also what do you recommend for fall preemergent?
I think the most readily available pre-emergents are Nitrophos Barricade (prodiamine) and Fertilome (Hi Yield) Dimension (dithiopyr). Either is good but if you have crabgrass issues choose the Dimension. Both can be used spring and fall.
These should be available at good hardware stores or retail plant nurseries. If you are close to Mandeville, Site One Landscape Supply, carries these products as granular LESCO Dimension and LESCO Stonewall (prodiamine). They will also carry a water dispersible prodiamine that you can mix and spray with the winter weed cocktail provided you keep the spray container well shaken while spraying (prodiamine as a water dispersible granule product, WDG, will sink to the bottom of the sprayer unless you frequently shake it).
You can apply the pre-emergent and the post-emergent cocktail on the same day.
This post was edited on 2/26/20 at 9:35 am
Posted on 2/26/20 at 4:26 pm to CrawDude
quote:
If you are close to Mandeville,
lucky for me, thats where i live, will pick some up and put it all out in the sprayer on saturday, thanks man
Posted on 3/4/20 at 9:35 am to Theboot32
I applied Dimension on 2-21 on my lawn in NOLA and it looks like I was a bit too late in regards to crabgrass. Some of it is browning but a lot of it is thriving.
What are my options at this point? Should I pull it by hand and hope the holes fills in?
As a caveat, my lawn is in pretty bad shape already due to a renovation / addition this past Fall. I was planning to see how well it fills in over the next month and then evaluate if I should re-sod.
What are my options at this point? Should I pull it by hand and hope the holes fills in?
As a caveat, my lawn is in pretty bad shape already due to a renovation / addition this past Fall. I was planning to see how well it fills in over the next month and then evaluate if I should re-sod.
Posted on 3/4/20 at 10:05 am to tigerbater
quote:
What are my options at this point? Should I pull it by hand and hope the holes fills in?
What type of grass? Really no good post-emergent herbicide option for St Augustine, although there is for centipede (sethoxydim). If you have St Aug, best option is to cut your grass at 3 to 3 1/2 inches.
Normally your application date would be fine but winter was unusually warm this year so crabgrass germinated early (soil temps of 55 °F). LSU AgCenter recommended pre-emergent application early Feb this year for Baton Rouge area. This is a good example of why it’s better to err on the side of putting out pre-emergents too early, rather than too late, when you’re not sure. Probably always a safe bet to apply pre-emergent in NOLA in early Feb going forward.
Posted on 3/4/20 at 10:08 am to CrawDude
St. Augustine lawn. And yeah, was a bit late this year.
How much fill-in can I expect if my St. Aug is looking pretty rough due to the high-traffic from construction?
How much fill-in can I expect if my St. Aug is looking pretty rough due to the high-traffic from construction?
Posted on 3/4/20 at 10:37 am to tigerbater
quote:
How much fill-in can I expect if my St. Aug is looking pretty rough due to the high-traffic from construction?
St Aug fills in fast - if you cut it high (3 to 3 1/2 inches) to minimize stress and fertilize in 2 or 3 weeks I would think you have good success of it filling in quickly, assuming there are no other complicating factors. You’ve already put out pre-emergent so that should help suppress other weeds in the damaged areas.
Posted on 3/4/20 at 11:02 am to CrawDude
Great, thanks for the input.
Posted on 3/4/20 at 11:30 am to CrawDude
Too late to put out my pre-emergent still? In BR
Posted on 3/4/20 at 1:00 pm to CrawDude
Any advice on how to get 6 month old sod (centipede) to start growing thicker? New construction home in P-ville, laid sod in Sept. Little to no weeds, but grass is thin and looks like shite.
Posted on 3/4/20 at 1:30 pm to eng08
quote:
Too late to put out my pre-emergent still? In BR
I don’t think so, certainly there are many weed seeds that have already germinated that you may have to kill the weeds later with post-emergent herbicides, but there are many weed seeds that have yet to germinate so the pre-emergent will take of that, but try to do it as soon as possible.
Posted on 3/4/20 at 2:01 pm to lsuchamps23
quote:
Any advice on how to get 6 month old sod (centipede) to start growing thicker? New construction home in P-ville, laid sod in Sept. Little to no weeds, but grass is thin and looks like shite.
I have centipede as well (front and side yards) and it will never have that thickness that you see with St Augustine. But yours was laid at the start of fall so I don’t think it would be unexpected to be somewhat thin, and it hasn’t broken dormancy yet - mine hasn’t and I’m not far from you.
My suggestion is to fertilize it at the beginning of April with 1/2 pound of nitrogen lawn fertilizer per 1000 sq ft, and a second application at the same rate in June. LA Nursery in Prairieville probably sells a Fertilome 15-0-15 centipede fertilizer you can use or drive to BR to the Site One Landscape Supply on Exchequer in the Industrialplex off Siegen and purchase LESCO 15-5-15. With either you’ll apply 3 1/3 pounds per 1,000 sq ft to equal 1/2 pound N per 1000 sq ft.
Lastly get some soil samples from the lawn and have analyzed by the LSU AgCenter (LA Nursery will have the mail in soil sample boxes). Centipede thrives in more acidic soil than what we usually have in our area, and should the soil need to be acidified with sulfur, the analysis will show this and provide the recommendation on how much to add. No rush on that as it a longer term issue that you might need to consider.
This post was edited on 3/4/20 at 2:44 pm
Posted on 3/4/20 at 2:34 pm to CrawDude
Thanks for the advice. I will def check out the nursery In pville.
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