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Yard help

Posted on 5/24/21 at 10:48 am
Posted by RDJ1201
where ya momma lay
Member since Aug 2019
52 posts
Posted on 5/24/21 at 10:48 am
Having an issue with my front lawn. I recently started having this browning. This patch it right next to an oak tree. My lawn is a mix of st aug and zoysia and I’m located in st Charles parish. Any help would greatly appreciated [/url][/img] [url=LINK ] [/url] [url=LINK ] [/url]
Posted by gumbo2176
Member since May 2018
19328 posts
Posted on 5/24/21 at 10:52 am to
That last picture looks to show some holes in the soil beneath the sod, or is that just my eyes playing tricks on me????


If holes, have you seen any moles or other digging critters in your yard?
Posted by RDJ1201
where ya momma lay
Member since Aug 2019
52 posts
Posted on 5/24/21 at 11:01 am to
Sorry forgot to mention this picture was taken right after I aerated.
Posted by gumbo2176
Member since May 2018
19328 posts
Posted on 5/24/21 at 11:15 am to
quote:

Sorry forgot to mention this picture was taken right after I aerated.



Hence the holes.
Posted by 98eagle
Member since Sep 2020
3092 posts
Posted on 5/24/21 at 12:23 pm to
Can the LSU Agriculture Extension Service analyze it for you? We live in Georgia and I contacted the Cobb County Agricultural Extension Service a few years ago when I had an issue in our lawn. I took a few soil samples from around the lawn for a free PH test plus a shovel full of the worst part of the lawn for a $10 analysis of that soil. Our problem was over watering (root rot) and fertilizing too soon.

Your issue is probably different but the point being your lawn problem could be any number of one or more issues. You may have access to experts at your closest Extension service who will test your soil so you know exactly what the cause and solution are.
Posted by mrcoon
Louisiana
Member since Jul 2019
675 posts
Posted on 5/24/21 at 12:24 pm to
Does that spot tend to hold water? Either way it is probably a fungus.
Posted by RDJ1201
where ya momma lay
Member since Aug 2019
52 posts
Posted on 5/24/21 at 3:32 pm to
Yeah I know LSUAg does soil samples and I plan on doing one closer to fall. I’m sure they’re pretty swamped going into summer
Posted by RDJ1201
where ya momma lay
Member since Aug 2019
52 posts
Posted on 5/24/21 at 3:40 pm to
Yeah a little bit I have other parts of my yard that are worse but didn’t brown. Have any suggestions for treatment?
Posted by ronk
Member since Jan 2015
7513 posts
Posted on 5/24/21 at 6:08 pm to
Is it effecting one grass type over another. Pull a dead/dying runner out if it’s st aug. Post a close up pic. Possibly take all patch which isn’t ideal
Posted by Perfect Circle
S W Alabama
Member since Sep 2017
7679 posts
Posted on 5/24/21 at 6:22 pm to
Almost always a fungus or a bug.
Posted by OysterPoBoy
City of St. George
Member since Jul 2013
42909 posts
Posted on 5/24/21 at 9:42 pm to
How about these little purple spots I’ve been having?

Posted by 98eagle
Member since Sep 2020
3092 posts
Posted on 5/24/21 at 9:58 pm to
That looks like what I was getting in my Zoyzia lawn a few years ago and the extension service diagnosed as over watering (root rot) and fertilizing too soon. The grass leaves were turning purplish and reddish especially in the lower areas of our lawn.
Posted by OysterPoBoy
City of St. George
Member since Jul 2013
42909 posts
Posted on 5/24/21 at 10:08 pm to
quote:

the extension service diagnosed as over watering


That would make sense, it was basically under water for a full 24 hours.
Posted by 98eagle
Member since Sep 2020
3092 posts
Posted on 5/24/21 at 11:11 pm to
In my case before I went to the extension service the grass was drying up in the heat and I kept watering it too much so it was getting worse. I intermittently applied fungicide twice to no avail. It was getting worse until I took samples to the extension service. I cut back watering to 1" a week (including rain) and it eventually recovered.
This post was edited on 5/24/21 at 11:13 pm
Posted by ronk
Member since Jan 2015
7513 posts
Posted on 5/25/21 at 7:29 am to
The most common reason for blades turning purple is frost damage. I know we haven't had frost for a while but it could be from earlier in the year. Did it just start happening.
Posted by OysterPoBoy
City of St. George
Member since Jul 2013
42909 posts
Posted on 5/25/21 at 7:39 am to
quote:

Did it just start happening.


Yes. This last mow was the first I’d noticed. Probably about 8 small spots like the one in the pic spread over about a 2000 sq ft area.
This post was edited on 5/25/21 at 7:40 am
Posted by OysterPoBoy
City of St. George
Member since Jul 2013
42909 posts
Posted on 5/25/21 at 7:41 am to
With all the rain we’ve been having I’ve had my sprinklers off for about a month.
Posted by ronk
Member since Jan 2015
7513 posts
Posted on 5/25/21 at 10:25 am to
In that case it is probably stress from the oversaturation.
Posted by 98eagle
Member since Sep 2020
3092 posts
Posted on 5/26/21 at 1:19 am to
What's bad about root rot is that those areas where you have purplish leaves will curl up faster during the heat and subsequent dry days compared to the other healthier green grass in your lawn. So if your lawn starts to get stressed from heat and drought, you will be tempted to over water those purple areas. It goes against your instincts to water more on the more stressed areas.

Since you know what it is, try and let the whole lawn dry out to the point it needs watering again, and then just water like 1" a week and do your best to not water extra on those areas that had root rot with the purplish leaves. They will appear to dry out quicker but its that's just due to the damaged roots.
Posted by OysterPoBoy
City of St. George
Member since Jul 2013
42909 posts
Posted on 5/26/21 at 7:47 am to
Thanks, I’ll do that.
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