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Old 04-08-2019, 07:09 PM   #1
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Read your lawn chemical container carefully


Last year my lawn looked awful, full of weeds, bare spots, etc. I sent away for a soil test and got the results indicating that it was depleted of potassium. I added some, and then in the fall fertilized with Scott's Winterguard, which has potassium in it. I also overseeded in the fall.

Now that it's starting to warm up, the grass has been turning a nice green color but I noticed a few weeds so I grabbed the weed killer out of the garage and went to work, spraying each one.

A couple days later and I'm seeing all of these yellow patches in the grass and wondering whats going on. I go in the garage and look at the jug of weed killer and find that it's Spectracide Weed & Grass Killer.
Don't be like me.
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Old 04-08-2019, 08:26 PM   #2
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Re: Read your lawn chemical container carefully


You poor guy! I remember you mentioning how good then bad the grass looked last year.

It seems like you could water the spots well, but don't spread it. It must say how long it lasts?

Look like a female dog has been around.
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Old 04-08-2019, 09:00 PM   #3
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Re: Read your lawn chemical container carefully


@Dave Sal , was the active ingredient glyphosate?
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Old 04-09-2019, 12:27 AM   #4
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Re: Read your lawn chemical container carefully


It's not roundup(glyphosate).

Active Ingredients
Diquat Dibromide 2.30%
Fluazifop-p-butyl 1.15%
Dicamba*, dimethylamine salt 0.77%
Other Ingredients: 95.78%


Rainproof in 15 minutes
Visible results in 3 hours
Kills the root
Plant new flower, trees and shrubs in treated area after just one day

http://www.spectracide.com/products/...centrate2.aspx
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Old 04-09-2019, 08:12 AM   #5
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Re: Read your lawn chemical container carefully


Quote:
Originally Posted by joed View Post
It's not roundup(glyphosate).

Active Ingredients
Diquat Dibromide 2.30%
Fluazifop-p-butyl 1.15%
Dicamba*, dimethylamine salt 0.77%
Other Ingredients: 95.78%


Rainproof in 15 minutes
Visible results in 3 hours
Kills the root
Plant new flower, trees and shrubs in treated area after just one day

http://www.spectracide.com/products/...centrate2.aspx
Still, an all-round vegetation killer as the name suggests.

@Dave Sal , looks like the dead patches might have be re-seeded. But the areas aren't big.

What kind of grass do you have? Kentucky bluegrass? It may spread into the dead spots, though that takes a while. Some grasses resist grass killer, but bluegrass, in my experience isn't one of them, alas.

Last edited by DoomsDave; 04-09-2019 at 08:14 AM.
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Old 04-09-2019, 10:50 AM   #6
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Re: Read your lawn chemical container carefully


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Originally Posted by joed View Post
Plant new flower, trees and shrubs in treated area after just one day

http://www.spectracide.com/products/...centrate2.aspx



Read the label again. You may have to wait a week for grass seed. This varies by product.


No big deal you have time for a spring fix.
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Old 04-09-2019, 11:09 AM   #7
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Re: Read your lawn chemical container carefully


The living grass is beautiful. See, you did something right!
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Old 04-09-2019, 12:49 PM   #8
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Re: Read your lawn chemical container carefully


Looks like you won't have to wait to re-seed. All the chemicals in there are post-emergent.
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Old 04-09-2019, 07:34 PM   #9
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Re: Read your lawn chemical container carefully


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Originally Posted by DoomsDave View Post
Still, an all-round vegetation killer as the name suggests.

@Dave Sal , looks like the dead patches might have be re-seeded. But the areas aren't big.

What kind of grass do you have? Kentucky bluegrass? It may spread into the dead spots, though that takes a while. Some grasses resist grass killer, but bluegrass, in my experience isn't one of them, alas.

Yes, it's Kentucky Bluegrass. Guess I'm gonna buy a couple rolls of sod and some lawn soil and replace the dead spots along with the soil underneath. (kicks self in butt).
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Old 04-09-2019, 08:02 PM   #10
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Re: Read your lawn chemical container carefully


north of the boarder in most provinces cosmetic synthetic pesticides are illegal and rightfully so. for herbicides, you can still get roundup to control dangerous weeds like poison ivy.

in the us doesn't seem to be nearly as regulated.
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Old 04-09-2019, 08:03 PM   #11
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Re: Read your lawn chemical container carefully


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Originally Posted by Dave Sal View Post
Yes, it's Kentucky Bluegrass. Guess I'm gonna buy a couple rolls of sod and some lawn soil and replace the dead spots along with the soil underneath. (kicks self in butt).
Oh, bloody 'ell, as the Brits, say, a minor error, compared to when I planted a tree that trashed a van.
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Old 04-09-2019, 10:51 PM   #12
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Re: Read your lawn chemical container carefully


Quote:
Originally Posted by Dave Sal View Post
Yes, it's Kentucky Bluegrass. Guess I'm gonna buy a couple rolls of sod and some lawn soil and replace the dead spots along with the soil underneath. (kicks self in butt).
Does that mean you will keep most of your lawn? You should be proud of the lawn testing & feeding it potassium isn't easy for many.
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