From labels and weed guides

Best herbicides for lambsquarters in barley

For lambsquarters in barley, the weed guides list 22 active-ingredient groups rated good or excellent, after checking that the products are labeled for barley.

Lambsquarters 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, 22 active-ingredient groups are rated good or excellent for lambsquarters in barley, showing the top 12 below.

Example productActive ingredientsMOA groupRatings checked
2,4-D Amine 4
EPA 1381-103; same active ingredients on 76 other branded products
2,4-d4ND Weed Guide 2026: E (PDF)
Alligare Dicamba 4
EPA 81927-55; same active ingredients on 35 other branded products
dicamba4ND Weed Guide 2026: E (PDF); ND Weed Guide 2026: G (PDF)
Axill Solutions Flumi 51% WDG
EPA 95055-14-93809; same active ingredients on 24 other branded products
flumioxazin14ND Weed Guide 2026: G-E (PDF)
Base Camp MCP Ester
EPA 2935-554; same active ingredients on 15 other branded products
mcpa4ND Weed Guide 2026: E (PDF)
Bonedry
EPA 82557-1; same active ingredients on 12 other branded products
paraquat22ND Weed Guide 2026: E (PDF)
Bison
EPA 71368-28-1381; same active ingredients on 11 other branded products
bromoxynil and mcpa4, 6ND Weed Guide 2026: E (PDF)
Broclean
EPA 34704-891; same active ingredients on 5 other branded products
bromoxynil6ND Weed Guide 2026: G (PDF)
Harmony GT XP
EPA 279-9577; same active ingredients on 4 other branded products
thifensulfuron2ND Weed Guide 2026: E (PDF)
Imitator + 2,4-D
EPA 19713-635; same active ingredients on 2 other branded products
2,4-d and glyphosate4, 9ND Weed Guide 2026: E (PDF)
Commando
EPA 42750-92; same active ingredients on 1 other branded product
2,4-d and clopyralid4ND Weed Guide 2026: G (PDF)
Wolverine
EPA 264-1075; same active ingredients on 1 other branded product
bromoxynil, fenoxaprop-p-ethyl, and pyrasulfotole1, 6, 27ND Weed Guide 2026: E (PDF)
Curtail M
EPA 62719-86
clopyralid and mcpa4ND 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.