From labels and weed guides
Best herbicides for russian thistle in clover
For russian thistle in clover, the weed guides list 4 active-ingredient groups rated good or excellent, after checking that the products are labeled for clover.
Russian Thistle control in clover
Every listed product is labeled for clover. 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 russian thistle in clover.
| Example product | Active ingredients | MOA group | Ratings checked |
|---|---|---|---|
| Bonedry EPA 82557-1; same active ingredients on 13 other branded products | paraquat | 22 | ND Weed Guide 2026: E (PDF) |
| Basagran EPA 66330-413; same active ingredients on 9 other branded products | bentazon | 6 | ND Weed Guide 2026: G (PDF) |
| Abigor EPA 34704-1174; same active ingredients on 8 other branded products | imazamox | 2 | ND Weed Guide 2026: G-Ea (PDF) |
| Bastante Max EPA 2749-613; same active ingredients on 2 other branded products | bentazon and imazamox | 2, 6 | ND Weed Guide 2026: G-Ea (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.