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chamber bitter/gripeweed control

Posted on 7/9/25 at 4:30 pm
Posted by gungho
Member since Jun 2016
229 posts
Posted on 7/9/25 at 4:30 pm
Anyone have herbicide suggestions to control chamber bitter (gripeweed) that doesn't harm grass, e.g. not glyphosphate, 2,4D, etc.? Thanks.
Posted by Daponch
Da Nortchore
Member since Mar 2013
1160 posts
Posted on 7/9/25 at 6:00 pm to
Celsius is the best I have used
Posted by CrawDude
Baton Rouge
Member since Apr 2019
5826 posts
Posted on 7/9/25 at 7:14 pm to
What kind of lawn grass - often makes a difference what herbicide can be used.

This LSU AgCenter factsheet list recommended post-emergent herbicides that can be used to control chamberbitter LINK

MSM Turf (metsulfuron methyl) can be used for chamberbitter control in St.Augustine, Centipede, Bermudagrass & Zoysia in the current summer heat, but expect some temporary stress-yellowing of lawn grass.
Posted by ronk
Member since Jan 2015
7605 posts
Posted on 7/9/25 at 10:22 pm to
Celsius and msm as mentioned. Celsius works faster and msm is more cost effective. If only 10-12 plants popping them out by hand is even more effective
Posted by Jmcc64
alabama
Member since Apr 2021
2127 posts
Posted on 7/10/25 at 12:15 pm to
Triclopyr
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