From labels and weed guides
Best herbicides for waterhemp in potato
For waterhemp in potato, the weed guides list 1 active-ingredient group with every rating at least 80% control, after checking that the products are labeled for potato.
Waterhemp control in potato
Every listed product is labeled for potato. Ratings are shown when each weed guide that rates this weed has a lower interval bound of at least 80% control for the active-ingredient group. If a guide gives a range, its lower bound must be at least 80%.
Based on 1 weed guide, 1 active-ingredient group is rated at least 80% control for waterhemp in potato.
| Example product | Active ingredients | MOA group | Ratings checked |
|---|---|---|---|
| Linex 4L EPA 61842-21; same active ingredients on 2 other branded products | linuron | 5 | WinField Crop Protection 2026, vegetables: G → 81–90% control (PDF) |
Rating bands: E 90-100%, G 80-89%, F 70-79%, P under 70%, N none. Policy intervals are marked in the source ratings. 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. Read the rating method.
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Sources
Data from current labels and weed guides. Last source update: 2026-09-30.