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Liquid Aeration Plus Seeeding Cenitpede

Posted on 4/11/20 at 12:37 pm
Posted by thermal9221
Youngsville
Member since Feb 2005
14039 posts
Posted on 4/11/20 at 12:37 pm
Currently we have centipede, its not thick, we have a lot of dead grass in between. wife did a liquid aeration - simple lawn solutions.
Have 2 questions:
1. Is liquid aeration effective (product link Simple Lawn?
2. We have decided to seed the lawn with centipede. How soon can we seed after using liquid aeration? Can we go with bermuda?

Yard Photos
Imgr

This post was edited on 4/11/20 at 12:40 pm
Posted by ronk
Member since Jan 2015
6993 posts
Posted on 4/11/20 at 1:30 pm to
You need to do a core aeration. Nothing can beat that.

Honestly it’s going to cheaper short term to fix your centipede. Have it aerated and put your seed out. Then do a thin layer of mason sand/soil combo (to save some money you could just do it in the worst areas) and then water the hell out of.

I see some yellowing (not the brown areas) so it could a fungus or just chlorotic. I would treat that. Azoxystrobin if it’s fungus and milorganite if it’s chlorotic.

You could do bermuda and it would do much better than your centipede because it’s full sun. I don’t like seeded bermuda unless it’s an improved bermuda like blackjack, Sahara, or princess 77. Those are expensive. If you want an instant fantastic yard sod with tif 419.
Posted by CrawDude
Baton Rouge
Member since Apr 2019
5617 posts
Posted on 4/11/20 at 3:18 pm to
The only other thing I’d add in addition to ronk s suggestions, is to have a soil test analysis on the lawn done by the LSU AgCenter’s STPAL lab when it re-opens for business following CV-19. If you are in BR, most soils have a higher pH than is idea for centipede. Should it require elemental sulfur to lower the pH the analysis will show this and provide a recommendation on how much to add.

And liquid aeration products are not effective, at least on our soils. If they were, university extension programs would recommend them as an alternative option to core aeration - and they don’t.

This post was edited on 4/11/20 at 4:17 pm
Posted by thermal9221
Youngsville
Member since Feb 2005
14039 posts
Posted on 4/11/20 at 3:36 pm to
Is it ok to seed Bermuda right now?
Should I detach prior to seeding?
Posted by CrawDude
Baton Rouge
Member since Apr 2019
5617 posts
Posted on 4/11/20 at 4:38 pm to
Why do you want to seed with Bermudagrass in a centipede lawn? Are you wanting to replace the centipede with Bermudagrass, or are you just wanting fill in the dead areas next to the patio and other “dead” spots “quickly” with grass of some type?

Do those dead grass areas near the patio have a tendency to hold water and remain soggy?

Have you fertilized the lawn yet? Did you treat the lawn earlier with herbicide(s) to kill weeds that were present in the lawn?

Centipede greens up later than than St Augustine, and it grows more slowly so it tends to lag behind St Augustine for at least a while.

Just trying to get a handle on what your immediate, and long-term goal is.
Posted by ronk
Member since Jan 2015
6993 posts
Posted on 4/11/20 at 6:37 pm to
I was wondering where you were Craw. Hadn’t seen you for a couple days.

Like craw said what are your long term goals? I am not a fan of centipede but if you just want to fix your problem and have a low maintenance yard then centipede is probably the best bet. I love hybrid bermuda but a true hybrid. If requires work with constant mowing but it’s gorgeous and you can hit with damn near every herbicide. Also you won’t have big dead spots.
Posted by thermal9221
Youngsville
Member since Feb 2005
14039 posts
Posted on 4/11/20 at 10:47 pm to
Bermuda, or even zoysia, seem like a nicer grass than centipede but I think it makes sense to keep centipede. Long and short term goal is a thick, full lawn. My original plan was to put some St. Augustine sod in some of the dead areas and let it take over but now we are thinking of overseeding.

Yes, the area near the patio holds water but drains relatively fast.

Fertilized once with milorganite and did a pre-emergent spray end of February. Can’t say for sure what was used... progressive landscaping did that for us. We have few weeds.

Some of the discoloration you see is ryegrass that was planted in some holes this fall. Our old company that sprayed pre-emergent/fertilizer killed a bunch of weeds last summer and left huge dead areas in the lawn that looked horrible.

I’m currently just trying to make the soul healthier until I can test it with LSU. I have a humic acid/sea kelp spray that I’ve used once.

Appreciate the feedback!
Posted by thermal9221
Youngsville
Member since Feb 2005
14039 posts
Posted on 4/11/20 at 10:49 pm to
I don’t mind high maintenance. I enjoy it. Any particular seeds you recommend if we went with Bermuda?
Posted by ronk
Member since Jan 2015
6993 posts
Posted on 4/12/20 at 9:50 am to
Well it’s not cheap but Arden15 would be the seed you want. It is replacing princess 77 which was the got to seed for fast germination. You can get it at Hancock seed.
Posted by CrawDude
Baton Rouge
Member since Apr 2019
5617 posts
Posted on 4/12/20 at 10:01 am to
Anything Bermudagrass or Zoysia related you need to listen to ronk’s advice.

If in the meantime while you settle on a long range game plan, if you want to get the centipede to look better, you could come back with a light application of an inorganic lawn fertilizer since you’ve already put down Milorganite, perhaps 2 lbs of a LESCO 15-5-15 or Fertilome 15-0-15 per 1000 sq ft.

The bare areas I might suggest going with your original plan and lay a some pieces of St Aug, Zoysia or named cultivar of Bermudagrass to see how you like it, or of course centipede. Those areas don’t seem large and might only be $30 to 50 for enough pieces of sod to fill in those bare areas. Weeds will fill in those bare areas soon if you delay much longer.

With centipede, because it grows slowly, you’ll just need to be patient. It should start filling in and looking better soon enough, but give it time. And cut the centipede at the recommended height - I’d suggest 2 inches - don’t scalp it - worst thing you can do for the health of the grass. Spot spray for weeds during the summer as needed as they emerge to keep them at bay.
Posted by Peejack84
Lafayette
Member since Aug 2019
125 posts
Posted on 4/13/20 at 8:54 am to
quote:

And cut the centipede at the recommended height - I’d suggest 2 inches


Didn't know this. I've been cutting at 3.5" to choke out the weeds. Will this hurt the centipede?
Posted by jimbeam
University of LSU
Member since Oct 2011
75703 posts
Posted on 4/13/20 at 8:56 am to
Yah centipede is typically cut lower. 1.5-2.5 inches
Posted by CrawDude
Baton Rouge
Member since Apr 2019
5617 posts
Posted on 4/13/20 at 9:17 am to
quote:

Yah centipede is typically cut lower. 1.5-2.5 inches

This
Posted by thermal9221
Youngsville
Member since Feb 2005
14039 posts
Posted on 4/22/20 at 1:07 pm to
Ronk - a few more questions...

1. I am waiting on the Arden 15 seed to get in but I was able to get a soil test... see link. LINK Anything we should do in advance of getting the seed?
2. Any tips when we do put it down? Do we fertilize at the same time?
3. I think you are right about the fungus. Pictures with soil report. Is there a particular product you recommend?
Posted by CrawDude
Baton Rouge
Member since Apr 2019
5617 posts
Posted on 4/22/20 at 2:09 pm to
Not ronk, and he’ll answer your questions to him, but I looked at your soil analysis results and with a soil pH of 7.5, this is likely at least one factor why your centipede is not thriving as centipede performs best in acidic soils of pH of 5.0 to 6.0. Of course, soil compaction, fungal diseases, insect issues can also be mitigating factors you may be dealing with as well, but then some of these issues can be magnified when a grass struggles in a soil where pH is significantly higher than optimal.
Posted by thermal9221
Youngsville
Member since Feb 2005
14039 posts
Posted on 4/22/20 at 2:50 pm to
Yep, I knew from talking with the neighbors that the pH wasn't optimal here for our grass. Some of them just use Scott's weed and feed and their lawns look so much better than ours so I'm not really sure what else we have done to make it so terrible but I am hoping to get a handle on it now.
Posted by CrawDude
Baton Rouge
Member since Apr 2019
5617 posts
Posted on 4/22/20 at 3:04 pm to
quote:

their lawns look so much better than ours
They have the same type of grass as you - centipede - or something different like St Augustine, Bermudagrass, Zoysia?
Posted by tilco
Spanish Fort, AL
Member since Nov 2013
14025 posts
Posted on 4/22/20 at 3:05 pm to
quote:

Some of them just use Scott's weed and feed and their lawns look so much better than ours


If their lawns are centipede they won’t look good for long. Unless they are using a minimal amount. My neighbor pours on the scotts and it’s taken two years but his yard has started to look like shite. Lots of dead spots. I was using lawn food when we first moved in but have since switched to just milorganite and grass clippings. I have a few damaged spots from over fertilization but they are repairing themselves slowly.

Dont use weed and feed
Posted by CrawDude
Baton Rouge
Member since Apr 2019
5617 posts
Posted on 4/22/20 at 3:26 pm to
quote:

If their lawns are centipede they won’t look good for long. Unless they are using a minimal amount. My neighbor pours on the scotts and it’s taken two years but his yard has started to look like shite. Lots of dead spots. I was using lawn food when we first moved in but have since switched to just milorganite and grass clippings. I have a few damaged spots from over fertilization but they are repairing themselves slowly.

Dont use weed and feed


Correct
Posted by ronk
Member since Jan 2015
6993 posts
Posted on 4/22/20 at 4:44 pm to
You are in need of a soil amendment. You'll want it about 6.5.

You'll want bare dirt so if you need to nuke it go for it. After take a power rake or metal rake and rough up the dirt. Apply the seed and rake a soil/sand mixture in a thin layer on top. Then water water water. Do not fertilize.

If you are truly switching the entire yard then you won't have to worry about fungus too much. If you are keeping the centipede then propiconizole will control most fungus at a fairly cheap price.
This post was edited on 4/22/20 at 5:11 pm
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