It says kills for a year

Active ingredients: Imazapyr, isopropylamine salt. Perlagonic acid and related fatty acids

Is that true for killing weeds and unwanted grass. If true, assuming this is better than Roundup. Thoughts?

This post was edited on 6/16/25 at 7:51 am

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Posted by slinger1

Louisiana

Member since Jun 2017

345 posts

Posted on 6/16/25 at 8:47 am to tigerskin

Doesn't last close to a year,it does work but the UP TO A YEAR, not true but a selling point , maybe in a laboratory or controlled conditions but not in south Louisiana

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Posted by Yammie250F

Member since Jul 2010

1016 posts

Posted on 6/16/25 at 9:18 am to tigerskin

I use RM43 and that is supposed to last up to a year. Doesn't come anywhere near that long but definitely last longer than basic roundup. Takes a little longer for the weeds to die but works very well. Worth the extra price in my opionion.

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Posted by Jcorye1

Tom Brady = GoAT

Member since Dec 2007

76373 posts

Posted on 6/16/25 at 9:59 am to tigerskin

Yeah if anyone can recommend something that will kill all weeds, I would be grateful. I am so sick of purchasing this stuff only to see vegetation come back after a month or just not die.

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Posted by bootlegger

Ponchatoula

Member since Dec 2012

5511 posts

Posted on 6/16/25 at 1:52 pm to Jcorye1

Just tried some RoundUp Quickpro SC on the recommendation of the local feed store. Sprayed about a week ago, so I can't comment on how long the residual effect may be. But the diquat that's in there definitely gave it a very quick knock-down.

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