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AFtigerFan
LSU Fan
Ohio
Member since Feb 2008
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Made a mistake - how poorly will slit seeding go?
I am scheduled to have my backyard slit seeded this coming Friday. I live near Dayton so it will be a tall fescue blend (with a small % of Kentucky bluegrass).

I wanted to kill some weeds and crabgrass beforehand so I sprayed Roundup. I figure it doesn’t stick around so it won’t impact seed germination.

I finished spraying and realized I used my Roundup for Lawns (selective herbicide that also kills crab grass and yellow nutsedge). shite. I know this lingers. I’ve read that you shouldn’t seed for 3 to 4 weeks after using this.

My question is, will the areas I sprayed not germinate at all, or just at a reduced rate. Luckily it was only in certain areas and not my entire backyard. Thanks in advance.
This post was edited on 9/13 at 4:34 pm


Zappas Stache
Utility Muffin Research Kitchen
Member since Apr 2009
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re: Made a mistake - how poorly will slit seeding go?
Isn't it too late for seed germination this growing season up there anyway?

eta: I just looked it up and it seems y'all do seed in September. Strange because its almost too late to seed in Dallas.
This post was edited on 9/13 at 4:45 pm


AFtigerFan
LSU Fan
Ohio
Member since Feb 2008
2558 posts
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re: Made a mistake - how poorly will slit seeding go?
quote:

Isn't it too late for seed germination this growing season up there anyway?
this is the perfect time for us. You want to seed no later than 45 days before the first frost.


AFtigerFan
LSU Fan
Ohio
Member since Feb 2008
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re: Made a mistake - how poorly will slit seeding go?
After more reading, I think I know the answer for all the chemicals except for the 2 4-d. The other chemicals either won’t impact it or for the ones that will have degradation, they recommend slit seeding.

So, will slit seeding help minimize the impact of the 2 4-d?


notsince98
Missouri Fan
KC, MO
Member since Oct 2012
12939 posts

re: Made a mistake - how poorly will slit seeding go?
I have put down seed the same day as using RoundUp. Can you link me to the product you used?


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notsince98
Missouri Fan
KC, MO
Member since Oct 2012
12939 posts

re: Made a mistake - how poorly will slit seeding go?
quote:

So, will slit seeding help minimize the impact of the 2 4-d?


That is a weed killer not pre-emergent, right? You really only have to worry about pre-emergents.


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AFtigerFan
LSU Fan
Ohio
Member since Feb 2008
2558 posts
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re: Made a mistake - how poorly will slit seeding go?
Here’s the link to the product.

Roundup kills weeds not the lawn


notsince98
Missouri Fan
KC, MO
Member since Oct 2012
12939 posts

re: Made a mistake - how poorly will slit seeding go?
I'm not going to say 100% you are fine but this product is not a pre-emergent. I think if you sprayed at seed down or before, you are probably OK. Do not spray after seed down until the new grass is well established.

The website only mentions not using the product on young grass but it doesn't ever say anything specifically about seeds so I think you are OK.

Good luck!
This post was edited on 9/15 at 8:47 am


AFtigerFan
LSU Fan
Ohio
Member since Feb 2008
2558 posts
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re: Made a mistake - how poorly will slit seeding go?
quote:

I'm not going to say 100% you are fine but this product is not a pre-emergent. I think if you sprayed at seed down or before, you are probably OK. Do not spray after seed down until the new grass is well established.

The website only mentions not using the product on young grass but it doesn't ever say anything specifically about seeds so I think you are OK.

Good luck!
Thanks! The yard is being slit seeded today, and it's been a couple days since the product was spot sprayed. I think it will be fine also.


AFtigerFan
LSU Fan
Ohio
Member since Feb 2008
2558 posts
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re: Made a mistake - how poorly will slit seeding go?
Update - I spoke to my lawn care folks and they said not to worry. They said there may be some degradation to germination, but not much to worry about.

They also said that if in 2 weeks I have bare spots or spots that look thinner than others, they will come and re-seed for me at no charge. The best part is they said if it’s too late in the season (depends on first frost), they will take note and reseed in the spring at no charge. That made me feel much better.


LoneStarTiger
LSU Fan
Lone Star State
Member since Aug 2004
14924 posts

re: Made a mistake - how poorly will slit seeding go?
that sounds like a great company to work with


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