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Problem spot in lawn
Posted on 4/11/23 at 1:22 pm
Posted on 4/11/23 at 1:22 pm
I have this area in my lawn that is always under stress. It always looks like it's half dead & I've tried just about everything. It is downslope of a gutter downspout, so I added a drain in case it was holding water. I dug up 3-4 inches of soil and replaced it with new soil. I used a probe to see if maybe there is metal or gravel just under the surface.....but I didn't find anything. It's the exact same area. I've put grass plugs, sod twice and used both centipede and St Aug to no avail.
Anybody have a clue what could be going on? I've monitored the area. It does not hold water for more than an hour or so after a hard rain. My only guess is its a sub-surface "thing" that cooks the grass in the heat of the summer. Sort of like when you see culvert outlines in folks lawn during drought stress. That's all I got.
Anybody have a clue what could be going on? I've monitored the area. It does not hold water for more than an hour or so after a hard rain. My only guess is its a sub-surface "thing" that cooks the grass in the heat of the summer. Sort of like when you see culvert outlines in folks lawn during drought stress. That's all I got.
4
Posted on 4/11/23 at 1:29 pm to sosaysmorvant
Can't help you but you have a beautiful back yard 
Posted on 4/11/23 at 2:31 pm to sosaysmorvant
Looks like brown patch AKA large patch to me….which is a fungus.
Posted on 4/11/23 at 2:48 pm to MikeBRLA
quote:
Looks like brown patch AKA large patch to me….which is a fungus.
Unless it forms in the exact same spot year after year and is resistant to fungicide, I have ruled that out. This has been going on forever. Years. I've just put a bandaid on it (resodded area) each spring so it doesn't look as bad.
It really pisses me off. I take good care of my lawn.
Posted on 4/11/23 at 2:55 pm to sosaysmorvant
But, come to think of it, I've only treated it once with fungicide. Maybe it stays wet enough in that particular area to promote fungal growth. It's just odd that it would be the exact same spot (and general shape).
It might be worth a try to keep treating it with fungicide.
It might be worth a try to keep treating it with fungicide.
Posted on 4/11/23 at 4:39 pm to sosaysmorvant
If it is large patch, you need to alternate fungicides and also treat with peat moss.
Large patch laughs at one treatment of a fungicide.
Large patch laughs at one treatment of a fungicide.
Posted on 4/11/23 at 5:56 pm to sosaysmorvant
It does look like a large patch scar. When does it first happen and when do you get regrowth?
Posted on 4/11/23 at 9:33 pm to ronk
quote:
It does look like a large patch scar. When does it first happen and when do you get regrowth?
I agree it resembles a brown patch scar. The thing that puzzles me is it reappears each and every year.....in the exact same spot with roughly the exact dimensions. Considering I took out 3-4 inches of soil and replaced with new soil/sand mixture, I was hoping not to see the problem resurface again. The only time I see new growth is when I add new growth myself (plugs or new sod). The lawn simply will not grow here for some reason.
Since I'm anal about the look of the lawn, I'll likely redo the area for the umteenth time and treat vigorously for brown patch. I have two different fungicides labeled for that, so I will alternate them. Then, later this year or next year, I'll ask again.
Posted on 4/11/23 at 9:42 pm to sosaysmorvant
Any thing odd about the soil you dug out? Clay, rocks, a gas can? Next consideration would be fairy ring. Extremely rare but could it be nematodes?
Posted on 4/12/23 at 6:19 am to ronk
Could it be take all root rot?
If so it doesn’t really respond to fungicides once present and is only held at bay through the use of 1” of peat moss which prevents it from impacting the stolons.
Bottom line since you’ve already tried switching the dirt underneath the soil I’d get a bag of peat moss and try that.
If so it doesn’t really respond to fungicides once present and is only held at bay through the use of 1” of peat moss which prevents it from impacting the stolons.
Bottom line since you’ve already tried switching the dirt underneath the soil I’d get a bag of peat moss and try that.
This post was edited on 4/12/23 at 7:10 pm
Posted on 4/12/23 at 6:51 pm to sosaysmorvant
Do you have a window that reflects direct sunlight onto this spot? I have seen them melt artificial turf when the window has a highly reflective coating.
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