From labels and weed guides

Best herbicides for buttercup in cotton

For buttercup in cotton, the weed guides list 3 active-ingredient groups rated good or excellent, after checking that the products are labeled for cotton.

Buttercup control in cotton

Every listed product is labeled for cotton. 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, 3 active-ingredient groups are rated good or excellent for buttercup in cotton.

Example productActive ingredientsMOA groupRatings checked
78623 58% Technical Solution
EPA 524-532; same active ingredients on 84 other branded products
glyphosate9Ms Weed Guide 2025, ms burndown: E (PDF)
Alligare Dicamba 4
EPA 81927-55; same active ingredients on 34 other branded products
dicamba4Ms Weed Guide 2025, ms burndown: G (PDF)
Bonedry
EPA 82557-1; same active ingredients on 13 other branded products
paraquat22Ms Weed Guide 2025, ms burndown: 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.