From labels and weed guides

Best herbicides for cultleaf evening-primrose in barley

For cultleaf evening-primrose in barley, the weed guides list 2 active-ingredient groups rated good or excellent, after checking that the products are labeled for barley.

Cultleaf Evening-primrose control in barley

Every listed product is labeled for barley. 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, 2 active-ingredient groups are rated good or excellent for cultleaf evening-primrose in barley.

Example productActive ingredientsMOA groupRatings checked
Alligare Dicamba 4
EPA 81927-55; same active ingredients on 35 other branded products
dicamba4Ms Weed Guide 2025, ms burndown: E (PDF)
Bonedry
EPA 82557-1; same active ingredients on 12 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.