From labels and weed guides
Best herbicides for lambsquarters in potato
For lambsquarters in potato, the weed guides list 5 active-ingredient groups rated good or excellent, after checking that the products are labeled for potato.
Lambsquarters control in potato
Every listed product is labeled for potato. 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, 5 active-ingredient groups are rated good or excellent for lambsquarters in potato.
| Example product | Active ingredients | MOA group | Ratings checked |
|---|---|---|---|
| 2,4-D LV 6 EPA 42750-20; same active ingredients on 28 other branded products | 2,4-d | 4 | ND Weed Guide 2026: E (PDF) |
| Axill Solutions Flumi 51% WDG EPA 95055-14-93809; same active ingredients on 24 other branded products | flumioxazin | 14 | ND Weed Guide 2026: G-E (PDF) |
| Antares EPA 82534-5-5905; same active ingredients on 14 other branded products | sulfentrazone | 14 | ND Weed Guide 2026: G-E (PDF) |
| Bonedry EPA 82557-1; same active ingredients on 13 other branded products | paraquat | 22 | ND Weed Guide 2026: E (PDF) |
| Boundary 6.5EC EPA 100-1162; same active ingredients on 13 other branded products | metolachlor and metribuzin | 5, 15 | ND Weed Guide 2026: G (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.