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 productActive ingredientsMOA groupRatings checked
Bonedry
EPA 82557-1; same active ingredients on 13 other branded products
paraquat22ND Weed Guide 2026: E (PDF)
Basagran
EPA 66330-413; same active ingredients on 9 other branded products
bentazon6ND Weed Guide 2026: G (PDF)
Abigor
EPA 34704-1174; same active ingredients on 8 other branded products
imazamox2ND Weed Guide 2026: G-Ea (PDF)
Bastante Max
EPA 2749-613; same active ingredients on 2 other branded products
bentazon and imazamox2, 6ND 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.