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re: Is it time for pre emergent in South LA?
Posted on 3/4/20 at 9:35 am to Theboot32
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.
1
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.
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