From labels and weed guides
Best herbicides for redroot pigweed in fallow
For redroot pigweed in fallow, the weed guides list 30 active-ingredient groups rated good or excellent, after checking that the products are labeled for fallow.
Redroot Pigweed control in fallow
Every listed product is labeled for fallow. 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, 30 active-ingredient groups are rated good or excellent for redroot pigweed in fallow, showing the top 12 below.
| Example product | Active ingredients | MOA group | Ratings checked |
|---|---|---|---|
| ABUNDIT Edge EPA 352-922; same active ingredients on 84 other branded products | glyphosate | 9 | ND Weed Guide 2026: E (PDF) |
| AAtrex 4L EPA 100-497; same active ingredients on 32 other branded products | atrazine | 5 | ND Weed Guide 2026: E (PDF) |
| Actylis Glufosinate 280SL EPA 2749-637; same active ingredients on 31 other branded products | glufosinate | 10 | ND Weed Guide 2026: E (PDF) |
| BL2 EPA 279-9624; same active ingredients on 29 other branded products | metribuzin | 5 | ND Weed Guide 2026: G (PDF); ND Weed Guide 2026: G-E (PDF) |
| Axill Solutions Flumi 51% WDG EPA 95055-14-93809; same active ingredients on 27 other branded products | flumioxazin | 14 | ND Weed Guide 2026: G-E (PDF) |
| BLASTWAVE 240 EC EPA 103087-15; same active ingredients on 13 other branded products | oxyfluorfen | 14 | ND Weed Guide 2026: E (PDF) |
| Bonedry EPA 82557-1; same active ingredients on 13 other branded products | paraquat | 22 | 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) |
| Grapple EPA 71368-121; same active ingredients on 10 other branded products | rimsulfuron | 2 | ND Weed Guide 2026: E (PDF) |
| ACUMEN MICROCAP EPA 70506-230-55467; same active ingredients on 8 other branded products | pendimethalin | 3 | ND Weed Guide 2026: E (PDF) |
| Comply EPA 100-1414-55467; same active ingredients on 4 other branded products | atrazine, mesotrione, and metolachlor | 5, 15, 27 | ND Weed Guide 2026: E (PDF) |
| Harmony GT XP EPA 279-9577; same active ingredients on 4 other branded products | thifensulfuron | 2 | 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.