From labels and weed guides
Best herbicides for redroot pigweed in flax
For redroot pigweed in flax, the weed guides list 6 active-ingredient groups rated good or excellent, after checking that the products are labeled for flax.
Redroot Pigweed control in flax
Every listed product is labeled for flax. 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, 6 active-ingredient groups are rated good or excellent for redroot pigweed in flax.
| Example product | Active ingredients | MOA group | Ratings checked |
|---|---|---|---|
| ABUNDIT Edge EPA 352-922; same active ingredients on 62 other branded products | glyphosate | 9 | 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) |
| ARGOS EPA 74530-71; same active ingredients on 20 other branded products | mesotrione | 27 | ND Weed Guide 2026: E (PDF) |
| Aceto Trifluralin 4EC EPA 2749-561; same active ingredients on 12 other branded products | trifluralin | 3 | ND Weed Guide 2026: E (PDF) |
| AIM EC EPA 279-3241; same active ingredients on 12 other branded products | carfentrazone-ethyl | 14 | ND Weed Guide 2026: G (PDF) |
| Sonalan HFP EPA 10163-356 | ethalfluralin | 3 | ND Weed Guide 2026: 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.