From labels and weed guides

Best herbicides for lambsquarters in wild rice

For lambsquarters in wild rice, the weed guides list 1 active-ingredient group rated good or excellent, after checking that the products are labeled for wild rice.

Lambsquarters control in wild rice

Every listed product is labeled for wild rice. 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 lambsquarters in wild rice.

Example productActive ingredientsMOA groupRatings checked
2,4-D Amine 4
EPA 1381-103; same active ingredients on 14 other branded products
2,4-d4ND Weed Guide 2026: E (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.