Posted 5/23/2020 07:35 (#8274736 - in reply to #8273939) Subject: RE: Callisto with Dicamba
Clopyralid (Stinger) provides no control or activity on any of the pigweed species including waterhemp. Also has zero control of lampsquarters or velvet leaf. Doesn't matter if it is applied as a pre or post.
In general clopyralid does not control much of any small seeded annual broadleaves.