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meeple
USA Fan
Member since May 2011
6731 posts
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Issues with St. Aug yard
So, a few issues. Yard has always been full and green. It's taken a turn for the worse. Slightly in the front, but more so in back.

First, overall, when I cut it everything is nice and even/flat. After about a week, some blades just do not grow, at all. And some do. From a distance it looks great, but up close, you can see the taller blades growing around the shorter ones. I last fertilized about 4-6 weeks ago, but it's been doing this for quite a while.

Also, not sure what's going on in my backyard. I have areas that are just dying. I've been able to keep webworms at bay with multiple insecticide applications. Would a round of BioAdvanced help here, or is there something else I need to do? Front and back yard pics posted below...

Front yard pics:






Back yard pics:







baldona
Auburn Fan
Florida
Member since Feb 2016
12565 posts
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re: Issues with St. Aug yard
Looks like you got a fungus.


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BIGJLAW
Alabama Fan
Member since Mar 2013
5320 posts
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re: Issues with St. Aug yard
Backyard looks like a fungus as St Augustine is known for that.


Cuthy
Auburn Fan
Colleyville Tx
Member since Aug 2019
8 posts

re: Issues with St. Aug yard
Get Scott’s Disease-Ex. Has a fungicide that is highly recommended by a plant guru here in N. Texas. I’ve used it...I know others who have used it. It does the job!


ronk
Member since Jan 2015
2114 posts
 Online 

re: Issues with St. Aug yard
The front looks good. The back has grey leaf spot. You have a wood fence around the backyard? Restricted airflow on humid days speeds up grey leaf spot. The poster that mentioned DiseaseX is right. Azoxystrobin is the active ingredient. You can also use propiconizole


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

re: Issues with St. Aug yard
Gls, I got it bad as well and I'm under fungicide suppression and it didn't help it.


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MikeBRLA
LSU Fan
Baton Rouge
Member since Jun 2005
12328 posts
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re: Issues with St. Aug yard
I used Scott’s DiseaseX along with aeration and peat moss to get rid of the fungus in my St Aug that was much worse than yours. Good luck.


ronk
Member since Jan 2015
2114 posts
 Online 

re: Issues with St. Aug yard
You had take all patch more than likely. I’m not sure if you’ve the other topics on it but you did the right thing.


meeple
USA Fan
Member since May 2011
6731 posts
 Online 

re: Issues with St. Aug yard
Picked up some DiseaseEx. Thanks, all

quote:

DiseaseX along with aeration and peat moss to get rid of the fungus in my St Aug t


Should I get some peat moss as well? How and how much do you apply?


Azazello
Tennessee Fan
Dallas, TX
Member since Sep 2011
2944 posts

re: Issues with St. Aug yard
quote:

Picked up some DiseaseEx. Thanks, all


quote:

Should I get some peat moss as well? How and how much do you apply?


Great looking yard. My yard looked exactly like yours around a month ago. I have been treating with Disease X every 3 weeks after a nasty bout with take all patch and grey leaf spot.

I believe I bought 7 big squares of peat moss from HD and spread it evenly over my yard (~5,000 sq ft), a little heavier on the bad areas.

Also, I have the same issue where about half of my St Aug grows, the other half is alive and looks healthy but the individual blades don't shoot up. No idea if this is right but at least the disease appears to be gone!

Total time to recovery was about 3 weeks.


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meeple
USA Fan
Member since May 2011
6731 posts
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re: Issues with St. Aug yard
Thanks, and will also pick some up peat this weekend.
quote:

Also, I have the same issue where about half of my St Aug grows, the other half is alive and looks healthy but the individual blades don't shoot up. No idea if this is right


Yeah, it's puzzling. On a walk I looked at some neighbor's yards as well and it's the same. I tried lowering my deck a couple weeks ago to try to top everything off, but it's still doing the same thing.


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TheBoo
Nicholls St. Fan
South to Louisiana
Member since Aug 2012
2713 posts
 Online 

re: Issues with St. Aug yard
A few months ago me and another guy asked this same exact question and were advised by the same folks on this thread that our lawn mower blades were out of alignment.


meeple
USA Fan
Member since May 2011
6731 posts
 Online 

re: Issues with St. Aug yard
quote:

A few months ago me and another guy asked this same exact question and were advised by the same folks on this thread that our lawn mower blades were out of alignment.


Yeah, that's not it for my situation. The blades that actually grow all get cut to the same length. The ones that don't grow, stay "not growing" to the extent that the ends of their blades stay brown since they don't get cut. I verified this by lowering the deck one week and then raising it back up the next.


TheBoo
Nicholls St. Fan
South to Louisiana
Member since Aug 2012
2713 posts
 Online 

re: Issues with St. Aug yard
quote:

Yeah, that's not it for my situation. The blades that actually grow all get cut to the same length.

I agree.
ETA: looks like you can use a good de-thatching.
This post was edited on 7/30 at 8:55 am


redwingtiger
LSU Fan
Shreve
Member since Feb 2011
2105 posts

re: Issues with St. Aug yard
Really funny you brought this up because I'm having the same issue here in Houston. Watched this video yesterday and it echoes a lot of what people here have said. St. Aug Fungus

ETA: Has anyone thought this problem could be Sod Webworms. Do you have any moths floating around, OP? I'm thinking mine may be a fungus plus the webworms.
This post was edited on 7/30 at 9:33 am


LSUDbrous90
LSU Fan
Lafayette
Member since Dec 2011
1132 posts

re: Issues with St. Aug yard
Yard looks exactly like OP but worse in some areas. I applied diseaseX last week right before all this rain. How long should I wait to apply again? Like I said I have some areas where I barely have blades of grass anymore. Also, guess I should apply some peat moss this weekend as that seems to be a remedy as well.


Cuthy
Auburn Fan
Colleyville Tx
Member since Aug 2019
8 posts

re: Issues with St. Aug yard
Peat moss is good against any fungal disease. Peat is acidic and fungus HATES acid conditions.


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ronk
Member since Jan 2015
2114 posts
 Online 

re: Issues with St. Aug yard
If you had leaf spot fungus then the blades that have been damaged will not recover. Azoxystrobin stops the damage from occurring on new blades. It will take some time for the new blades to grow and get as tall as the surrounding grass.

Peat moss is extremely healthy for St Aug but strictly in terms of leaf spot fungus it won't do anything. Peat moss has a pH of 4.4. Take all patch has trouble taking hold in an acidic soil so by adding peat moss you are limiting the damage that that disease can cause. Leaf spot doesn't care about pH.

21 days between fungus treatments.
This post was edited on 7/30 at 10:10 am


Azazello
Tennessee Fan
Dallas, TX
Member since Sep 2011
2944 posts

re: Issues with St. Aug yard
quote:

looks like you can use a good de-thatching.


Is it possible to de-thatch St.Aug? Wouldn't that rip up all the stolons?

I thought I remember a Lawn Care Nut video about how you shouldn't de-thatch St. Aug.


meeple
USA Fan
Member since May 2011
6731 posts
 Online 

re: Issues with St. Aug yard
quote:

Has anyone thought this problem could be Sod Webworms. Do you have any moths floating around, OP? I'm thinking mine may be a fungus plus the webworms.

Definitely not webworms. I have moths but I’ve been keeping the larvae at bay with Anderson’s Duocide since I first noticed chewed blades several weeks back. I’ve tried killing moths with Talstar spraying them directly and either this doesn’t completely work or they just come in from somewhere else. But most importantly my grass isn’t being eaten by the larvae.
This post was edited on 7/30 at 11:29 am


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