From labels and weed guides
Best herbicides for waterhemp / palmer in field pea
For waterhemp / palmer in field pea, the weed guides list 4 active-ingredient groups rated good or excellent, after checking that the products are labeled for field pea.
Waterhemp / Palmer control in field pea
Every listed product is labeled for field pea. Ratings are shown when each weed guide that rates this weed stays at good or excellent for the active-ingredient group. If a guide gives a range, the weaker end of the range has to be good or excellent.
Based on 1 weed guide, 4 active-ingredient groups are rated good or excellent for waterhemp / palmer in field pea.
| Example product | Active ingredients | MOA group | Ratings checked |
|---|---|---|---|
| Bonedry EPA 82557-1; same active ingredients on 10 other branded products | paraquat | 22 | ND Weed Guide 2026: E (PDF) |
| Authority Elite EPA 279-3442; same active ingredients on 9 other branded products | metolachlor and sulfentrazone | 14, 15 | ND Weed Guide 2026: G-E (PDF) |
| Reviton EPA 71512-37-74530 | tiafenacil | 14 | ND Weed Guide 2026: G-E (PDF) |
| Sharpen EPA 7969-278 | saflufenacil | 14 | ND Weed Guide 2026: G-E (PDF) |
Rating legend: E=excellent, G=good, F=fair, P=poor, N=no control. A range such as G-E means the guide gives a range; 'a' after a rating (e.g., Ga) means the guide assumes its recommended additive.
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Sources
Data from current labels and weed guides. Last source update: 2026-07-14.