Posted 8/1/2020 09:27 (#8408527 - in reply to #8408032) Subject: RE: Atrazine
In my experience atrazine is not very effective for crabgrass control.
I pulled up my Atrazine label. It says Atrazine is only partially effective for Large Crabgrass control when used pre-emergence, and it does not list crabgrass at all on the weeds controlled post-emergence.