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Overseeding - waste of $ or good idea?

Posted on 4/28/20 at 9:27 am
Posted by The Mick
Member since Oct 2010
44453 posts
Posted on 4/28/20 at 9:27 am
My lawn is mostly centipede with some other grasses in spots and various weeds. When I weed n feed the lawn greens up nice but gets thin in areas where weeds were (no surprise).

Is overseeding those areas worthwhile, enough to where the lawn will thicken and prevent some weed growth as well? Im just starting a pre-emergent program this year so hopefully the weeds disappear over next year or two.

If so, would you use bare seeds or get centipede patch repair product which comes with mulch and other stuff mixed in?
Posted by OleWarSkuleAlum
Huntsville, AL
Member since Dec 2013
10293 posts
Posted on 4/28/20 at 9:33 am to
Just do it right and remove the centipede and lay down Bermuda sod.
Posted by RollDatRoll
Who Dat. Roll Tide.
Member since Dec 2010
12245 posts
Posted on 4/28/20 at 9:57 am to
quote:

Is overseeding those areas worthwhile, enough to where the lawn will thicken and prevent some weed growth as well? Im just starting a pre-emergent program this year so hopefully the weeds disappear over next year or two.


If you have already put down pre-emergent, it will be very hard for seeds to work. If you want to overseed, I'd recommend holding off on pre-emergent.
Posted by The Mick
Member since Oct 2010
44453 posts
Posted on 4/28/20 at 10:06 am to
quote:

If you have already put down pre-emergent, it will be very hard for seeds to work. If you want to overseed, I'd recommend holding off on pre-emergent.
Have not yet, good advice thanks.
Posted by notsince98
KC, MO
Member since Oct 2012
20127 posts
Posted on 4/28/20 at 10:15 am to
If you want to improve the grass it is much easier to worry less about the weeds.

Thelawnforum.com is a great place to go for guidance on programs to implement in your yard.

As a short summary, what I would say is that stop using the broadcast weed treatments and fertilizers. Stop using prevent type products. Research your grass and then lookup the website for your local ag school. They will have guidelines for when to fertilize and how much to fertilize for whatever grass you want to use. Follow that. They will have seeding guidelines, too.

For weeds hand pick as much as possible. WHere you can't hand pick, spot spray. Weed killers and preventers hold grass back from truly thriving. And when your grass is thick and healthy you won't need weed products anyway.
This post was edited on 4/28/20 at 10:17 am
Posted by tilco
Spanish Fort, AL
Member since Nov 2013
14025 posts
Posted on 4/28/20 at 11:18 am to
Don’t weed and feed centipede. Little to no nitrogen during the spring is what I’ve learned. Rapid growth and greening will kill your centipede in the long run. For example this is my neighbors yard who has used weed and feed for 3 years next to mine. I used weed and feed last spring and learned my lesson the hard way.

Posted by The Mick
Member since Oct 2010
44453 posts
Posted on 4/28/20 at 4:37 pm to
What do you do for weeds?
Posted by tilco
Spanish Fort, AL
Member since Nov 2013
14025 posts
Posted on 4/28/20 at 5:11 pm to
quote:

What do you do for weeds?




Maybe ronk will chime in he and a few others have taught me a lot through this quarantine.

Personally I spot spray and hand pull. I’m gonna put out dimension for a pre emergent next february ish to help with crabgrass.

From what I’ve learned centipede thrives in souls with low nutrients which isn’t conducive to a lot of weed growth. So when you weed and feed you really are just feeding weeds.
This post was edited on 4/28/20 at 5:16 pm
Posted by ronk
Member since Jan 2015
6975 posts
Posted on 4/28/20 at 5:49 pm to
My first suggestion is don't use weed and feeds. You'll get a better lawn by separating the applications. Not necessarily different days but buying a specific fert and a specific herbicide. Centipede does not require a lot of fert and when you buy a bag Scott's product and it is 32% N and the application rate on the bag would have you putting down 1.25lbs of N 4 times a year.....you're gonna have a bad time. Site One carries a 24% N fert. I'd go with that one. As far the herbicide go with MSM. It is a gentler herbicide and is more forgiving but still controls a ton of weeds.

Pre ems are great or they are terrible. I do not like pre ems on lawns that are trying to recover. Most pre ems affect the root system of the plant (barricade, specticle, dimension, simazine) and the last thing you want to do is stress the root system of a recovering plant. Atrazine is a pre/post and works by means other than the root system. If your lawn is in good shape but you know you have poa problems in the winter and crabgrass problems in the summer then you can use the pre ems.

As far as the seed goes....sure. Go for it. You haven't put down a pre emergent yet so there are no issues there. I have not used centipede seed but the germination rate will probably be pretty low. Don't spend an arm and a leg on it.
Posted by The Mick
Member since Oct 2010
44453 posts
Posted on 4/28/20 at 8:09 pm to
Thx ronk and tilco, appreciated!
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