From labels and weed guides

Best herbicides for biennial wormwood in sweet potato

For biennial wormwood in sweet potato, the weed guides list 1 active-ingredient group rated good or excellent, after checking that the products are labeled for sweet potato.

Biennial Wormwood control in sweet potato

Every listed product is labeled for sweet potato. 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, 1 active-ingredient group is rated good or excellent for biennial wormwood in sweet potato.

Example productActive ingredientsMOA groupRatings checked
Axill Solutions Flumi 51% WDG
EPA 95055-14-93809; same active ingredients on 24 other branded products
flumioxazin14ND Weed Guide 2026: 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.